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Posted

Hello there, I'll make this brief. Downloaded Forge 1.14.3 client, am able to find it in the directory of the Minecraft launcher, but it crashes when attempting to load the Forge client. My Java is up to date, I cleared the mods folder in .minecraft

 

This is the error log

 

Quote

JVM info: Oracle Corporation - 1.8.0_31 - 25.31-b07
java.net.preferIPv4Stack=true
Extracting json
Extracting json
Considering minecraft client jar
Considering minecraft client jar
Downloading libraries
Downloading libraries
Considering library net.minecraftforge:forge:1.14.3-27.0.60
  File exists: Checksum validated.
Considering library org.ow2.asm:asm:6.2
  File exists: Checksum validated.
Considering library org.ow2.asm:asm-commons:6.2
  File exists: Checksum validated.
Considering library org.ow2.asm:asm-tree:6.2
  File exists: Checksum validated.
Considering library cpw.mods:modlauncher:3.0.2
  File exists: Checksum validated.
Considering library cpw.mods:grossjava9hacks:1.1.0
  File exists: Checksum validated.
Considering library net.minecraftforge:accesstransformers:0.16.0-shadowed
  File exists: Checksum validated.
Considering library net.minecraftforge:eventbus:0.10.3-milestone.0.1+1a5fa31-service
  File exists: Checksum validated.
Considering library net.minecraftforge:forgespi:0.13.0
  File exists: Checksum validated.
Considering library net.minecraftforge:coremods:0.6.3-milestone.0.4+c1d1f08
  File exists: Checksum validated.
Considering library net.minecraftforge:unsafe:0.2.0
  File exists: Checksum validated.
Considering library com.electronwill.night-config:core:3.6.0
  File exists: Checksum validated.
Considering library com.electronwill.night-config:toml:3.6.0
  File exists: Checksum validated.
Considering library org.jline:jline:3.9.0
  File exists: Checksum validated.
Considering library org.apache.maven:maven-artifact:3.6.0
  File exists: Checksum validated.
Considering library net.jodah:typetools:0.6.0
  File exists: Checksum validated.
Considering library java3d:vecmath:1.5.2
  File exists: Checksum validated.
Considering library org.apache.logging.log4j:log4j-api:2.11.2
  File exists: Checksum validated.
Considering library org.apache.logging.log4j:log4j-core:2.11.2
  File exists: Checksum validated.
Considering library net.minecrell:terminalconsoleappender:1.1.1
  File exists: Checksum validated.
Considering library net.sf.jopt-simple:jopt-simple:5.0.4
  File exists: Checksum validated.
Considering library com.github.jponge:lzma-java:1.3
  Downloading library from https://files.minecraftforge.net/maven/com/github/jponge/lzma-java/1.3/lzma-java-1.3.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library com.google.code.findbugs:jsr305:3.0.2
  Downloading library from https://files.minecraftforge.net/maven/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library com.google.code.gson:gson:2.8.0
  File exists: Checksum validated.
Considering library com.google.errorprone:error_prone_annotations:2.1.3
  Downloading library from https://files.minecraftforge.net/maven/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library com.google.guava:guava:20.0
  Downloading library from https://files.minecraftforge.net/maven/com/google/guava/guava/20.0/guava-20.0.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library com.google.guava:guava:25.1-jre
  Downloading library from https://files.minecraftforge.net/maven/com/google/guava/guava/25.1-jre/guava-25.1-jre.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library com.google.j2objc:j2objc-annotations:1.1
  Downloading library from https://files.minecraftforge.net/maven/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library com.nothome:javaxdelta:2.0.1
  Downloading library from https://files.minecraftforge.net/maven/com/nothome/javaxdelta/2.0.1/javaxdelta-2.0.1.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library commons-io:commons-io:2.4
  File exists: Checksum validated.
Considering library de.oceanlabs.mcp:mcp_config:1.14.3-20190624.152911@zip
  Downloading library from https://files.minecraftforge.net/maven/de/oceanlabs/mcp/mcp_config/1.14.3-20190624.152911/mcp_config-1.14.3-20190624.152911.zip
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library net.md-5:SpecialSource:1.8.5
  Downloading library from https://files.minecraftforge.net/maven/net/md-5/SpecialSource/1.8.5/SpecialSource-1.8.5.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library net.minecraftforge:binarypatcher:1.0.5
  Downloading library from https://files.minecraftforge.net/maven/net/minecraftforge/binarypatcher/1.0.5/binarypatcher-1.0.5.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library net.minecraftforge:forge:1.14.3-27.0.60:universal
  File exists: Checksum validated.
Considering library net.minecraftforge:installertools:1.1.4
  Downloading library from https://files.minecraftforge.net/maven/net/minecraftforge/installertools/1.1.4/installertools-1.1.4.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library net.minecraftforge:jarsplitter:1.1.0
  Downloading library from https://files.minecraftforge.net/maven/net/minecraftforge/jarsplitter/1.1.0/jarsplitter-1.1.0.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library net.sf.jopt-simple:jopt-simple:4.9
  Downloading library from https://files.minecraftforge.net/maven/net/sf/jopt-simple/jopt-simple/4.9/jopt-simple-4.9.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library net.sf.jopt-simple:jopt-simple:5.0.4
  File exists: Checksum validated.
Considering library net.sf.opencsv:opencsv:2.3
  Downloading library from https://files.minecraftforge.net/maven/net/sf/opencsv/opencsv/2.3/opencsv-2.3.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library org.checkerframework:checker-qual:2.0.0
  Downloading library from https://files.minecraftforge.net/maven/org/checkerframework/checker-qual/2.0.0/checker-qual-2.0.0.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library org.codehaus.mojo:animal-sniffer-annotations:1.14
  Downloading library from https://files.minecraftforge.net/maven/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library org.ow2.asm:asm-analysis:6.1.1
  Downloading library from https://files.minecraftforge.net/maven/org/ow2/asm/asm-analysis/6.1.1/asm-analysis-6.1.1.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library org.ow2.asm:asm-commons:6.1.1
  Downloading library from https://files.minecraftforge.net/maven/org/ow2/asm/asm-commons/6.1.1/asm-commons-6.1.1.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library org.ow2.asm:asm-tree:6.1.1
  Downloading library from https://files.minecraftforge.net/maven/org/ow2/asm/asm-tree/6.1.1/asm-tree-6.1.1.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library org.ow2.asm:asm:6.1.1
  Downloading library from https://files.minecraftforge.net/maven/org/ow2/asm/asm/6.1.1/asm-6.1.1.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
Considering library trove:trove:1.0.2
  Downloading library from https://files.minecraftforge.net/maven/trove/trove/1.0.2/trove-1.0.2.jar
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:203)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:134)
    at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
    at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:166)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:139)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 23 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 29 more
These libraries failed to download. Try again.

com.github.jponge:lzma-java:1.3
com.google.code.findbugs:jsr305:3.0.2
com.google.errorprone:error_prone_annotations:2.1.3
com.google.guava:guava:20.0
com.google.guava:guava:25.1-jre
com.google.j2objc:j2objc-annotations:1.1
com.nothome:javaxdelta:2.0.1
de.oceanlabs.mcp:mcp_config:1.14.3-20190624.152911@zip
net.md-5:SpecialSource:1.8.5
net.minecraftforge:binarypatcher:1.0.5
net.minecraftforge:installertools:1.1.4
net.minecraftforge:jarsplitter:1.1.0
net.sf.jopt-simple:jopt-simple:4.9
net.sf.opencsv:opencsv:2.3
org.checkerframework:checker-qual:2.0.0
org.codehaus.mojo:animal-sniffer-annotations:1.14
org.ow2.asm:asm-analysis:6.1.1
org.ow2.asm:asm-commons:6.1.1
org.ow2.asm:asm-tree:6.1.1
org.ow2.asm:asm:6.1.1
trove:trove:1.0.2
These libraries failed to download. Try again.

com.github.jponge:lzma-java:1.3
com.google.code.findbugs:jsr305:3.0.2
com.google.errorprone:error_prone_annotations:2.1.3
com.google.guava:guava:20.0
com.google.guava:guava:25.1-jre
com.google.j2objc:j2objc-annotations:1.1
com.nothome:javaxdelta:2.0.1
de.oceanlabs.mcp:mcp_config:1.14.3-20190624.152911@zip
net.md-5:SpecialSource:1.8.5
net.minecraftforge:binarypatcher:1.0.5
net.minecraftforge:installertools:1.1.4
net.minecraftforge:jarsplitter:1.1.0
net.sf.jopt-simple:jopt-simple:4.9
net.sf.opencsv:opencsv:2.3
org.checkerframework:checker-qual:2.0.0
org.codehaus.mojo:animal-sniffer-annotations:1.14
org.ow2.asm:asm-analysis:6.1.1
org.ow2.asm:asm-commons:6.1.1
org.ow2.asm:asm-tree:6.1.1
org.ow2.asm:asm:6.1.1
trove:trove:1.0.2
 

If you need anything else, just let me know. Thanks!

  • Author
Just now, diesieben07 said:

Why? Use 1.14.4.

 

Your issue is that your Java is stupidly outdated. Please update to latest Java 8.

My java is up to date. I have Java 8 alrejava.png.036a8484dc832030bc0447f6e7d5ecbc.pngady on my computer.

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