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    via Stack Overflow by ERJAN

    This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

Solutions on the web

via Jenkins JIRA by Bob Verbrugge, 1 year ago
Remote call on Channel to Maven [D:\apps\Java\jdk1.5.0_12/bin/java, -cp, D:\apps\Jenkins\plugins\maven-plugin\WEB-INF\lib\maven-agent-1.3.jar;D:\apps\Maven\apache-maven-2.2.1\boot\classworlds-1.1.jar, hudson.maven.agent.Main, D:\apps\Maven\apache
via Jenkins JIRA by Bob Verbrugge, 1 year ago
Remote call on Channel to Maven [D:\apps\Java\jdk1.5.0_12/bin/java, -cp, D:\apps\Jenkins\plugins\maven-plugin\WEB-INF\lib\maven-agent-1.3.jar;D:\apps\Maven\apache-maven-2.2.1\boot\classworlds-1.1.jar, hudson.maven.agent.Main, D:\apps\Maven\apache
via Stack Overflow by abaelter
, 2 years ago
Remote call on Channel to Maven [java, -Xmx512m, -XX:MaxPermSize=256m, -Djava.awt.headless=true, -cp, /opt/edb/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-agent-1.2.jar:/opt/apache/maven3/boot/plexus-classworlds-2.4.jar, org.jvnet.hudson.maven3
via portals-jetspeed-dev by David Taylor, 1 year ago
Remote call on Channel to Maven [/home/hudson/tools/java/latest1.5/bin/java, -cp, /home/jenkins/jenkins-slave/maven-agent.jar:/home/jenkins/jenkins-slave/classworlds.jar, hudson.maven.agent.Main, /home/hudson/tools/maven/apache-maven-2.2.1
via portals-jetspeed-dev by David Taylor, 1 year ago
Remote call on Channel to Maven [/home/hudson/tools/java/latest1.5/bin/java, -cp, /home/jenkins/jenkins-slave/maven-agent.jar:/home/jenkins/jenkins-slave/classworlds.jar, hudson.maven.agent.Main, /home/hudson/tools/maven/apache-maven-2.2.1
via creadur-dev by Apache Jenkins Server, 1 year ago
Remote call on Channel to Maven [/home/hudson/tools/java/latest1.5/bin/java, -cp, /home/jenkins/jenkins-slave/maven-agent.jar:/home/jenkins/jenkins-slave/classworlds.jar, hudson.maven.agent.Main, /home/hudson/tools/maven/apache-maven-2.2.1, /home
java.lang.UnsupportedClassVersionError: Bad version number in .class file	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:620)	at java.lang.ClassLoader.defineClass(ClassLoader.java:465)	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:289)	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:229)	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:242)	at hudson.remoting.MultiClassLoaderSerializer$Input.resolveClass(MultiClassLoaderSerializer.java:113)	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1544)	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1466)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1699)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)	at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)	at hudson.remoting.UserRequest.perform(UserRequest.java:98)	at hudson.remoting.UserRequest.perform(UserRequest.java:48)	at hudson.remoting.Request$2.run(Request.java:326)	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)	at java.util.concurrent.FutureTask.run(FutureTask.java:123)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)	at java.lang.Thread.run(Thread.java:595)