SuccessConsole Output

Established TCP socket on 46840
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 46717
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/gazelle-proxy-public-RELEASE/workspace/pom.xml -Ppublic clean package
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] gazelle-proxy
[INFO] gazelle-proxy-netty
[INFO] gazelle-proxy-jar
[INFO] gazelle-proxy - EJB
[INFO] gazelle-proxy - Common WAR
[INFO] gazelle-proxy-war
[INFO] gazelle-proxy - EAR
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building gazelle-proxy 4.5.0
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ gazelle-proxy ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.2:enforce (enforce-java-version) @ gazelle-proxy ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.2:enforce (enforce-maven-version) @ gazelle-proxy ---
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.2:create-timestamp (get-build-timestamp) @ gazelle-proxy ---
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.2:create (get-scm-revision) @ gazelle-proxy ---
[INFO] Checking for local modifications: skipped.
[INFO] Updating project files from SCM: skipped.
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive info
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Storing buildNumber: 65547 at timestamp: 1542018980448
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive info
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Storing buildScmBranch: tags/gazelle-proxy-4.5.0
[INFO] 
[INFO] --- maven-buildmetadata-plugin:1.1.0.IHE.3:provide-buildmetadata (default) @ gazelle-proxy ---
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive log -v -r '{2018-10-13 10:36:21 +0000}:{2018-11-13 10:36:21 +0000}' svn+ssh://scm.gforge.inria.fr/svn/gazelle/Maven/gazelle-proxy/tags/gazelle-proxy-4.5.0
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive log -v -r '{2018-09-13 10:36:21 +0000}:{2018-11-13 10:36:21 +0000}' svn+ssh://scm.gforge.inria.fr/svn/gazelle/Maven/gazelle-proxy/tags/gazelle-proxy-4.5.0
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive log -v -r '{2018-08-14 10:36:22 +0000}:{2018-11-13 10:36:22 +0000}' svn+ssh://scm.gforge.inria.fr/svn/gazelle/Maven/gazelle-proxy/tags/gazelle-proxy-4.5.0
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive log -v -r '{2018-07-15 10:36:22 +0000}:{2018-11-13 10:36:22 +0000}' svn+ssh://scm.gforge.inria.fr/svn/gazelle/Maven/gazelle-proxy/tags/gazelle-proxy-4.5.0
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive log -v -r '{2018-06-15 10:36:22 +0000}:{2018-11-13 10:36:22 +0000}' svn+ssh://scm.gforge.inria.fr/svn/gazelle/Maven/gazelle-proxy/tags/gazelle-proxy-4.5.0
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Executing: /bin/sh -c cd /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace && svn --non-interactive log -v -r '{2018-05-16 10:36:23 +0000}:{2018-11-13 10:36:23 +0000}' svn+ssh://scm.gforge.inria.fr/svn/gazelle/Maven/gazelle-proxy/tags/gazelle-proxy-4.5.0
[INFO] Working directory: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace
[INFO] Writing properties '/home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace/target/build.properties'...
[INFO] Writing XML report '/home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace/target/buildmetadata.xml'...
[INFO] 
[INFO] --- jacoco-maven-plugin:0.7.9:prepare-agent (default) @ gazelle-proxy ---
[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/gazelle-proxy-public-RELEASE/workspace/target/jacoco.exec,append=true
[INFO] 
[INFO] --- jacoco-maven-plugin:0.7.9:report (post-unit-test) @ gazelle-proxy ---
[INFO] Skipping JaCoCo execution due to missing execution data file.
[INFO] 
[INFO] --- maven-source-plugin:3.0.1:jar-no-fork (attach-sources) @ gazelle-proxy ---
Nov 12, 2018 11:36:24 AM 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) @ gazelle-proxy ---
[WARNING] JAR will be empty - no content was marked for inclusion!
[INFO] Building jar: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace/target/gazelle-proxy-tests.jar
[INFO] 
[INFO] --- maven-assembly-plugin:2.4:single (make-assembly-metadata) @ gazelle-proxy ---
[INFO] Building zip: /home/jenkins/.hudson/jobs/gazelle-proxy-public-RELEASE/workspace/target/gazelle-proxy-metadata.zip
Nov 12, 2018 11:36:25 AM org.jenkinsci.remoting.util.AnonymousClassWarnings warn
WARNING: Attempt to (de-)serialize anonymous class hudson.maven.reporters.MavenArtifactArchiver$2; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/
Nov 12, 2018 11:36:25 AM org.jenkinsci.remoting.util.AnonymousClassWarnings warn
WARNING: Attempt to (de-)serialize anonymous class hudson.maven.reporters.MavenFingerprinter$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/