Started by user Matthias Mueller
Running as SYSTEM
Building in workspace /var/lib/jenkins/workspace/appNG_Deploy_To_Repo
The recommended git tool is: git
using credential 7212ca60-dbd7-4a0f-9f8e-b6bc3d3993d4
 > git rev-parse --resolve-git-dir /var/lib/jenkins/workspace/appNG_Deploy_To_Repo/.git # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url git@github.com:appNG/appng.git # timeout=10
Fetching upstream changes from git@github.com:appNG/appng.git
 > git --version # timeout=10
 > git --version # 'git version 2.30.2'
using GIT_SSH to set credentials 
Verifying host key using known hosts file
 > git fetch --tags --force --progress -- git@github.com:appNG/appng.git +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git rev-parse refs/remotes/origin/refs/tags/appng-1.26.1^{commit} # timeout=10
 > git rev-parse refs/tags/appng-1.26.1^{commit} # timeout=10
Checking out Revision 31bd8874e76b52ba0e80515d0dc2bbde91d6cae6 (refs/tags/appng-1.26.1)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 31bd8874e76b52ba0e80515d0dc2bbde91d6cae6 # timeout=10
Commit message: "preparing release 1.26.1"
First time build. Skipping changelog.
Parsing POMs
Modules changed, recalculating dependency graph
Established TCP socket on 41069
[appNG_Deploy_To_Repo] $ /var/lib/jenkins/tools/hudson.model.JDK/OpenJDK8/jdk8u362-b09/bin/java -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-agent-1.14.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3/boot/plexus-classworlds-2.6.0.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3/conf/logging jenkins.maven3.agent.Maven35Main /var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3 /var/cache/jenkins/war/WEB-INF/lib/remoting-3107.v665000b_51092.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-interceptor-1.14.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.14.jar 41069
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$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:425)
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
	at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:136)
	at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:66)
ERROR: Failed to parse POMs
java.io.EOFException: unexpected stream termination
	at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:459)
	at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:404)
	at hudson.slaves.Channels.forProcess(Channels.java:121)
	at hudson.maven.AbstractMavenProcessFactory.newProcess(AbstractMavenProcessFactory.java:296)
	at hudson.maven.ProcessCache.get(ProcessCache.java:236)
	at hudson.maven.MavenModuleSetBuild$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)
An attempt to send an e-mail to empty list of recipients, ignored.
Finished: FAILURE