Build failed in Jenkins: TomEE » tomee-7.1.x-deploy #346

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See <https://ci-builds.apache.org/job/Tomee/job/tomee-7.1.x-deploy/346/display/redirect>

Changes:


------------------------------------------
Started by timer
Running as SYSTEM
[EnvInject] - Loading node environment variables.
Building remotely on builds30 (ubuntu) in workspace <https://ci-builds.apache.org/job/Tomee/job/tomee-7.1.x-deploy/ws/>
The recommended git tool is: NONE
No credentials specified
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository https://github.com/apache/tomee
 > git init <https://ci-builds.apache.org/job/Tomee/job/tomee-7.1.x-deploy/ws/> # timeout=10
Fetching upstream changes from https://github.com/apache/tomee
 > git --version # timeout=10
 > git --version # 'git version 2.17.1'
 > git fetch --tags --progress -- https://github.com/apache/tomee +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url https://github.com/apache/tomee # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
Avoid second fetch
 > git rev-parse refs/remotes/origin/tomee-7.1.x^{commit} # timeout=10
Checking out Revision a200c0289daa7b908cea5030d1a100a9c2648b54 (refs/remotes/origin/tomee-7.1.x)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a200c0289daa7b908cea5030d1a100a9c2648b54 # timeout=10
Commit message: "Merge pull request #916 from sultan/fix71"
 > git rev-list --no-walk a200c0289daa7b908cea5030d1a100a9c2648b54 # timeout=10
Parsing POMs
Established TCP socket on 39661
maven33-agent.jar already up to date
maven33-interceptor.jar already up to date
maven3-interceptor-commons.jar already up to date
[tomee-7.1.x-deploy] $ /home/jenkins/tools/java/latest1.8/bin/java -Xmx1536m -cp /home/jenkins/jenkins-agent/maven33-agent.jar:/home/jenkins/tools/maven/apache-maven-3.3.9/boot/plexus-classworlds-2.5.2.jar:/home/jenkins/tools/maven/apache-maven-3.3.9/conf/logging jenkins.maven3.agent.Maven33Main /home/jenkins/tools/maven/apache-maven-3.3.9 /home/jenkins/jenkins-agent/agent.jar /home/jenkins/jenkins-agent/maven33-interceptor.jar /home/jenkins/jenkins-agent/maven3-interceptor-commons.jar 39661
Exception in thread "main" java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:401)
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
	at jenkins.maven3.agent.Maven33Main.main(Maven33Main.java:136)
	at jenkins.maven3.agent.Maven33Main.main(Maven33Main.java:66)
ERROR: Failed to parse POMs
java.io.EOFException: unexpected stream termination
	at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:459)
	at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:404)
	at hudson.slaves.Channels.forProcess(Channels.java:121)
	at hudson.maven.AbstractMavenProcessFactory.newProcess(AbstractMavenProcessFactory.java:296)
	at hudson.maven.ProcessCache.get(ProcessCache.java:236)
	at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:802)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:526)
	at hudson.model.Run.execute(Run.java:1900)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:543)
	at hudson.model.ResourceController.execute(ResourceController.java:101)
	at hudson.model.Executor.run(Executor.java:442)