MC Version: 1.18.1
Side: client
Output: C:\Users\cvalley\AppData\Roaming\.minecraft\libraries\net\minecraft\client\1.18.1-20211210.034407\client-1.18.1-20211210.034407-mappings.txt
javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:131)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:370)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:313)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:654)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.onCertificate(CertificateMessage.java:473)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.consume(CertificateMessage.java:369)
at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:396)
at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:480)
at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:458)
at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:200)
at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:172)
at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1500)
at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1415)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:450)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:421)
at java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:580)
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:183)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1665)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1589)
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224)
at java.base/java.net.URL.openStream(URL.java:1161)
at net.minecraftforge.installertools.DownloadMojmaps.process(DownloadMojmaps.java:65)
at net.minecraftforge.installertools.ConsoleTool.main(ConsoleTool.java:55)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at net.minecraftforge.installer.actions.PostProcessors.process(PostProcessors.java:226)
at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:144)
at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:423)
at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:175)
at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:147)
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 java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:439)
at java.base/sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:306)
at java.base/sun.security.validator.Validator.validate(Validator.java:264)
at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:231)
at java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:132)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:638)
... 28 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at java.base/sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
at java.base/sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
at java.base/java.security.cert.CertPathBuilder.build(CertPathBuilder.java:297)
at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:434)
... 33 more
Failed to run processor: javax.net.ssl.SSLHandshakeException:PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
See log for more details.