SuccessConsole Output

Established TCP socket on 42027
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.Maven35Main.main(Maven35Main.java:133)
	at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:64)
Established TCP socket on 44469
OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=1024m; support was removed in 8.0
<===[JENKINS REMOTING CAPACITY]===>channel started
Executing Maven:  -B -f /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace/pom.xml -Pproduction clean package
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] XDStarClient
[INFO] XDStarClient - EJB - JAR
[INFO] XDStarClient - WAR
[INFO] XDStarClient - EAR
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building XDStarClient 2.3.12
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ XDStarClient ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.2:enforce (enforce-java-version) @ XDStarClient ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.2:enforce (enforce-maven-version) @ XDStarClient ---
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.2:create-timestamp (get-build-timestamp) @ XDStarClient ---
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.2:create (get-scm-revision) @ XDStarClient ---
[INFO] Checking for local modifications: skipped.
[INFO] Updating project files from SCM: skipped.
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace && svn --non-interactive info
[INFO] Working directory: /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace
[INFO] Storing buildNumber: 66447 at timestamp: 1550586318998
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace && svn --non-interactive info
[INFO] Working directory: /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace
[INFO] Storing buildScmBranch: tags/XDStarClient-2.3.12
[INFO] 
[INFO] --- maven-buildmetadata-plugin:1.1.0.IHE.3:provide-buildmetadata (default) @ XDStarClient ---
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace && svn --non-interactive log -v -r '{2019-01-20 14:25:20 +0000}:{2019-02-20 14:25:20 +0000}' svn+ssh://scm.gforge.inria.fr/svn/gazelle/Maven/simulators/XDStarClient/tags/XDStarClient-2.3.12
[INFO] Working directory: /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace && svn --non-interactive status
[INFO] Working directory: /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace
[INFO] Writing properties '/home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace/target/build.properties'...
[INFO] Writing XML report '/home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace/target/buildmetadata.xml'...
[INFO] 
[INFO] --- jacoco-maven-plugin:0.7.9:prepare-agent (default-prepare-agent) @ XDStarClient ---
[INFO] argLine set to -javaagent:/home/jenkins/.m2/repository/org/jacoco/org.jacoco.agent/0.7.9/org.jacoco.agent-0.7.9-runtime.jar=destfile=/home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace/target/jacoco.exec,append=true
[INFO] 
[INFO] --- jacoco-maven-plugin:0.7.9:prepare-agent (default) @ XDStarClient ---
[INFO] argLine set to -javaagent:/home/jenkins/.m2/repository/org/jacoco/org.jacoco.agent/0.7.9/org.jacoco.agent-0.7.9-runtime.jar=destfile=/home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace/target/jacoco.exec,append=true
[INFO] 
[INFO] --- jacoco-maven-plugin:0.7.9:report (post-unit-test) @ XDStarClient ---
[INFO] Skipping JaCoCo execution due to missing execution data file.
[INFO] 
[INFO] --- jacoco-maven-plugin:0.7.9:report (default-report) @ XDStarClient ---
[INFO] Skipping JaCoCo execution due to missing execution data file.
[INFO] 
[INFO] --- maven-source-plugin:3.0.1:jar-no-fork (attach-sources) @ XDStarClient ---
Feb 19, 2019 3:25:21 PM org.jenkinsci.remoting.util.AnonymousClassWarnings warn
WARNING: Attempt to (de-)serialize anonymous class hudson.maven.reporters.BuildInfoRecorder$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/
[INFO] 
[INFO] --- maven-jar-plugin:2.6:test-jar (default) @ XDStarClient ---
[WARNING] JAR will be empty - no content was marked for inclusion!
[INFO] Building jar: /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace/target/XDStarClient-tests.jar
[INFO] 
[INFO] --- maven-assembly-plugin:2.4:single (make-assembly-metadata) @ XDStarClient ---
[INFO] Building zip: /home/jenkins/.hudson/jobs/XDStarClient-RELEASE/workspace/target/XDStarClient-metadata.zip