FailedConsole Output

Started by timer
Building in workspace /var/lib/jenkins/workspace/ox-framework 2.0.0-alpha.3.x MAINTENANCE
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/52North/OX-Framework.git # timeout=10
Fetching upstream changes from https://github.com/52North/OX-Framework.git
 > git --version # timeout=10
 > git fetch --tags --progress https://github.com/52North/OX-Framework.git +refs/heads/2.0.0-alpha.3.x:refs/remotes/origin/heads/2.0.0-alpha.3.x
 > git rev-parse origin/2.0.0-alpha.3.x^{commit} # timeout=10
Checking out Revision 37df630802ef84a9ae0f170d8b98c03c92ad121c (origin/2.0.0-alpha.3.x)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 37df630802ef84a9ae0f170d8b98c03c92ad121c
 > git branch -a -v --no-abbrev # timeout=10
 > git branch -D 2.0.0-alpha.3.x # timeout=10
 > git checkout -b 2.0.0-alpha.3.x 37df630802ef84a9ae0f170d8b98c03c92ad121c
Commit message: "Merge branch '2.0.0-alpha.3.x' of https://github.com/52North/OX-Framework into 2.0.0-alpha.3.x"
 > git rev-list --no-walk 37df630802ef84a9ae0f170d8b98c03c92ad121c # timeout=10
 > git tag -a -f -m Jenkins Build #1236 jenkins-ox-framework_2.0.0-alpha.3.x_MAINTENANCE-1236 # timeout=10
Parsing POMs
Established TCP socket on 56508
[ox-framework 2.0.0-alpha.3.x MAINTENANCE] $ /var/lib/jenkins/tools/hudson.model.JDK/Java-1.7/bin/java -Xmx512m -XX:MaxPermSize=512m -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-agent-1.12-alpha-1.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.0.x/boot/plexus-classworlds-2.4.jar org.jvnet.hudson.maven3.agent.Maven3Main /var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.0.x /var/cache/jenkins/war/WEB-INF/lib/remoting-3.20.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-1.12-alpha-1.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.12-alpha-1.jar 56508
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:386)
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
	at org.jvnet.hudson.maven3.agent.Maven3Main.main(Maven3Main.java:138)
	at org.jvnet.hudson.maven3.agent.Maven3Main.main(Maven3Main.java:70)
ERROR: ================================================================================
ERROR: Invalid project setup: Connection reset
ERROR: [JENKINS-18403][JENKINS-28294] JDK 'Java-1.7' not supported to run Maven projects.
ERROR: Maven projects have to be launched with a Java version greater or equal to the minimum version required by the master.
ERROR: Use the Maven JDK Toolchains (plugin) to build your maven project with an older JDK.
ERROR: Retrying with slave Java and setting compile/test properties to point to /var/lib/jenkins/tools/hudson.model.JDK/Java-1.7.
ERROR: ================================================================================
Established TCP socket on 55236
[ox-framework 2.0.0-alpha.3.x MAINTENANCE] $ /usr/lib/jvm/java-8-oracle/jre/bin/java -Xmx512m -XX:MaxPermSize=512m -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-agent-1.12-alpha-1.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.0.x/boot/plexus-classworlds-2.4.jar org.jvnet.hudson.maven3.agent.Maven3Main /var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.0.x /var/cache/jenkins/war/WEB-INF/lib/remoting-3.20.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-1.12-alpha-1.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.12-alpha-1.jar 55236
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0
<===[JENKINS REMOTING CAPACITY]===>channel started
Executing Maven:  -B -f /var/lib/jenkins/workspace/ox-framework 2.0.0-alpha.3.x MAINTENANCE/pom.xml clean install -Denv=ci
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] 52n-oxf
[INFO] 52North OxFramework Core
[INFO] 52North OxFramework Common
[INFO] 52North OxFramework OWS
[INFO] 52North OxFramework Aggregated Third Party modules
[INFO] 52North OxFramework Third Party - Saxon
[INFO] 52North OxFramework Xmlbeans Handling
[INFO] 52North OX-Framework SML
[INFO] 52North OxFramework SWES
[INFO] GRDC schema binding
[INFO] OxF Features
[INFO] Aggregating OxF Service Adapters
[INFO] OxFramework Adapters API
[INFO] OxFramework CSW Adapter
[INFO] 52North OxFramework Third Party - NanoHTTPD
[INFO] OxFramework SES Adapter
[INFO] OxFramework SOS Adapter
[INFO] OxFramework SPS Adapter
[INFO] OxFramework WCS Adapter
[INFO] 52┬░North OXF Conversion module
[INFO] 52North OxFramework Third Party - NCName resolver
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building 52n-oxf 2.0.0-alpha.3.4-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ 52n-oxf ---
[INFO] Deleting /var/lib/jenkins/workspace/ox-framework 2.0.0-alpha.3.x MAINTENANCE/target
[INFO] 
[INFO] --- license-maven-plugin:2.2:check (check-license) @ 52n-oxf ---
[INFO] Checking licenses...
[INFO] 
[INFO] --- maven-jar-plugin:2.4:test-jar (default) @ 52n-oxf ---
[WARNING] Attempt to (de-)serialize anonymous class hudson.maven.reporters.BuildInfoRecorder$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/
[WARNING] JAR will be empty - no content was marked for inclusion!
[WARNING] Attempt to (de-)serialize anonymous class hudson.maven.reporters.MavenArtifactArchiver$2; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/