Hello! I can't install forge It says this..

''These libaries failed to download''

Can someone help me please

These libraries failed to download. Try again.

org.ow2.asm:asm:6.2
org.ow2.asm:asm-commons:6.2
org.ow2.asm:asm-tree:6.2
cpw.mods:modlauncher:2.1.5
cpw.mods:grossjava9hacks:1.1.0
net.minecraftforge:accesstransformers:0.16.0-shadowed
net.minecraftforge:eventbus:0.10.3-milestone.0.1+1a5fa31-service
net.minecraftforge:forgespi:0.13.0
net.minecraftforge:coremods:0.6.3-milestone.0.4+c1d1f08
net.minecraftforge:unsafe:0.2.0
com.electronwill.night-config:core:3.6.0
com.electronwill.night-config:toml:3.6.0
org.jline:jline:3.9.0
org.apache.maven:maven-artifact:3.6.0
net.jodah:typetools:0.6.0
org.apache.logging.log4j:log4j-api:2.11.2
org.apache.logging.log4j:log4j-core:2.11.2
net.minecrell:terminalconsoleappender:1.1.1
net.sf.jopt-simple:jopt-simple:5.0.4
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.jopt-simple:jopt-simple:5.0.4
net.sf.opencsv:opencsv:2.3
org.checkerframework:checker-qual:2.0.0
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

 

And the error-Message says: 

 

 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(Alerts.java:192)
        at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1949)
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302)
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296)
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1497)
        at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:212)
        at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979)
        at sun.security.ssl.Handshaker.process_record(Handshaker.java:914)
        at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1062)
        at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375)
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
        at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:563)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1512)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1440)
        at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:338)
        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(PKIXValidator.java:387)
        at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
        at sun.security.validator.Validator.validate(Validator.java:260)
        at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)
        at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229)
        at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1479)
        ... 22 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:145)
        at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:131)
        at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
        at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:382)
        ... 28 more

 

Firewall isnt active.

Nevermind.. My Java Environment was too old. Im sry. @SomalianPlayer, you should Update Java too!

Edited July 13, 20196 yr by Ravo92