java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher : Unsupported major.minor version 51.0

Google Groups | andreas...@gmail.com (JIRA) | 1 week ago
  1. 0
    This seems to be caused by an outdated version of Java, since SonarQube now uses Java 8 as default. You might upgrade java or use an older version of SonarQube
  2. 0

    [JIRA] (JENKINS-40810) UnsupportedClassVersionError when using JDK6

    Google Groups | 2 weeks ago | rmpe...@gmail.com (JIRA)
    java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher : Unsupported major.minor version 51.0
  3. 0

    [JIRA] (JENKINS-40990) Jenkins 2.32.1 causes Java 5/6 Maven builds to fail

    Google Groups | 1 week ago | andreas...@gmail.com (JIRA)
    java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher : Unsupported major.minor version 51.0
  4. Speed up your debug routine!

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  5. 0

    Maven - Users - Solve my exception for mvn installtion

    nabble.com | 1 year ago
    java.lang.UnsupportedClassVersionError: org/apache/ma ven/cli/MavenCli (Unsupported major.minor version 49.0)

  1. Rafael Fischer Viola 1 times, last 21 hours ago
  2. andyglick 3 times, last 1 month ago
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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    hudson/remoting/Launcher : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    URLClassLoader.findClass
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
    3. java.lang.ClassLoader.defineClass(ClassLoader.java:615)
    4. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    5. java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    6. java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    7. java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    8. java.security.AccessController.doPrivileged(Native Method)
    9. java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    9 frames
  3. Plexus
    ClassRealm.loadClass
    1. org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:401)
    2. org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
    3. org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
    4. org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:254)
    5. org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
    5 frames
  4. jenkins.maven3.agent
    Maven32Main.main
    1. jenkins.maven3.agent.Maven32Main.main(Maven32Main.java:143)
    2. jenkins.maven3.agent.Maven32Main.main(Maven32Main.java:74)
    2 frames