Build failed in Jenkins: dir-project-deploy #1759

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/dir-project-deploy/1759/display/redirect>

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Started by user seelmann
[EnvInject] - Loading node environment variables.
Building remotely on H35 (ubuntu xenial) in workspace <https://builds.apache.org/job/dir-project-deploy/ws/>
Cloning the remote Git repository
Cloning repository https://gitbox.apache.org/repos/asf/directory-project.git
 > git init <https://builds.apache.org/job/dir-project-deploy/ws/> # timeout=10
Fetching upstream changes from https://gitbox.apache.org/repos/asf/directory-project.git
 > git --version # timeout=10
 > git fetch --tags --progress https://gitbox.apache.org/repos/asf/directory-project.git +refs/heads/*:refs/remotes/origin/*
 > git config remote.origin.url https://gitbox.apache.org/repos/asf/directory-project.git # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url https://gitbox.apache.org/repos/asf/directory-project.git # timeout=10
Fetching upstream changes from https://gitbox.apache.org/repos/asf/directory-project.git
 > git fetch --tags --progress https://gitbox.apache.org/repos/asf/directory-project.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision edebb39a03ff7d742613ccfa13ceca4f194476be (refs/remotes/origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f edebb39a03ff7d742613ccfa13ceca4f194476be
Commit message: "[maven-release-plugin] prepare for next development iteration"
 > git rev-list --no-walk edebb39a03ff7d742613ccfa13ceca4f194476be # timeout=10
Parsing POMs
Established TCP socket on 33653
maven33-agent.jar already up to date
maven33-interceptor.jar already up to date
maven3-interceptor-commons.jar already up to date
[dir-project-deploy] $ /home/jenkins/tools/java/latest1.7/bin/java -Xmx512m -XX:MaxPermSize=128m -cp /home/jenkins/jenkins-slave/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-slave/slave.jar /home/jenkins/jenkins-slave/maven33-interceptor.jar /home/jenkins/jenkins-slave/maven3-interceptor-commons.jar 33653
Exception in thread "main" java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher : Unsupported major.minor version 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:401)
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
	at jenkins.maven3.agent.Maven33Main.main(Maven33Main.java:133)
	at jenkins.maven3.agent.Maven33Main.main(Maven33Main.java:64)
ERROR: Failed to parse POMs
java.io.EOFException: unexpected stream termination
	at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:409)
	at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:354)
	at hudson.slaves.Channels.forProcess(Channels.java:115)
	at hudson.maven.AbstractMavenProcessFactory.newProcess(AbstractMavenProcessFactory.java:294)
	at hudson.maven.ProcessCache.get(ProcessCache.java:236)
	at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:804)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:504)
	at hudson.model.Run.execute(Run.java:1794)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:543)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:429)

Jenkins build is back to normal : dir-project-deploy #1760

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/dir-project-deploy/1760/display/redirect>