com.mojang.authlib.exceptions.AuthenticationUnavailableException: Cannot contact authentication server

Ask Ubuntu | ashermaster | 2 years ago
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    Root Cause Analysis

    1. java.security.InvalidAlgorithmParameterException

      the trustAnchors parameter must be non-empty

      at java.security.cert.PKIXParameters.setTrustAnchors()
    2. Java RT
      Validator.getInstance
      1. java.security.cert.PKIXParameters.setTrustAnchors(PKIXParameters.java:200)[?:1.8.0_45-internal]
      2. java.security.cert.PKIXParameters.<init>(PKIXParameters.java:120)[?:1.8.0_45-internal]
      3. java.security.cert.PKIXBuilderParameters.<init>(PKIXBuilderParameters.java:104)[?:1.8.0_45-internal]
      4. sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:88)[?:1.8.0_45-internal]
      5. sun.security.validator.Validator.getInstance(Validator.java:179)[?:1.8.0_45-internal]
      5 frames
    3. Java JSSE
      SSLSocketImpl.startHandshake
      1. sun.security.ssl.X509TrustManagerImpl.getValidator(X509TrustManagerImpl.java:312)[?:1.8.0_45-internal]
      2. sun.security.ssl.X509TrustManagerImpl.checkTrustedInit(X509TrustManagerImpl.java:171)[?:1.8.0_45-internal]
      3. sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:184)[?:1.8.0_45-internal]
      4. sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)[?:1.8.0_45-internal]
      5. sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1460)[?:1.8.0_45-internal]
      6. sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:212)[?:1.8.0_45-internal]
      7. sun.security.ssl.Handshaker.processLoop(Handshaker.java:979)[?:1.8.0_45-internal]
      8. sun.security.ssl.Handshaker.process_record(Handshaker.java:914)[?:1.8.0_45-internal]
      9. sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1050)[?:1.8.0_45-internal]
      10. sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)[?:1.8.0_45-internal]
      11. sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)[?:1.8.0_45-internal]
      12. sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)[?:1.8.0_45-internal]
      12 frames
    4. Java RT
      HttpsURLConnectionImpl.getOutputStream
      1. sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:563)[?:1.8.0_45-internal]
      2. sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)[?:1.8.0_45-internal]
      3. sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1282)[?:1.8.0_45-internal]
      4. sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1257)[?:1.8.0_45-internal]
      5. sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:250)[?:1.8.0_45-internal]
      5 frames
    5. com.mojang.authlib
      YggdrasilUserAuthentication.logIn
      1. com.mojang.authlib.HttpAuthenticationService.performPostRequest(HttpAuthenticationService.java:73)[launcher.jar:1.6.11]
      2. com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54)[launcher.jar:1.6.11]
      3. com.mojang.authlib.yggdrasil.YggdrasilUserAuthentication.logInWithToken(YggdrasilUserAuthentication.java:132)[launcher.jar:1.6.11]
      4. com.mojang.authlib.yggdrasil.YggdrasilUserAuthentication.logIn(YggdrasilUserAuthentication.java:55)[launcher.jar:1.6.11]
      4 frames
    6. net.minecraft.launcher
      Launcher$2.run
      1. net.minecraft.launcher.Launcher.ensureLoggedIn(Launcher.java:214)[launcher.jar:1.6.11]
      2. net.minecraft.launcher.Launcher$2.run(Launcher.java:168)[launcher.jar:1.6.11]
      2 frames
    7. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[?:1.8.0_45-internal]
      2. java.util.concurrent.FutureTask.run(FutureTask.java:266)[?:1.8.0_45-internal]
      3. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[?:1.8.0_45-internal]
      4. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[?:1.8.0_45-internal]
      5. java.lang.Thread.run(Thread.java:745)[?:1.8.0_45-internal]
      5 frames