Started by an SCM change
Building in workspace /var/lib/jenkins/jobs/ecoinf-eml-datamanager/workspace
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/NCEAS/eml.git # timeout=10
Fetching upstream changes from https://github.com/NCEAS/eml.git
 > git --version # timeout=10
 > git fetch --tags --progress https://github.com/NCEAS/eml.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 28ca51e92f6423f11e62552279fd43c6b5d07aab (refs/remotes/origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 28ca51e92f6423f11e62552279fd43c6b5d07aab
 > git rev-list 1315d6124da90e7b495bf3ea5e7939012af56406 # timeout=10
Parsing POMs
Established TCP socket on 50044
[workspace] $ java -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-agent-1.11.jar:/usr/share/maven/boot/plexus-classworlds-2.x.jar org.jvnet.hudson.maven3.agent.Maven3Main /usr/share/maven /var/cache/jenkins/war/WEB-INF/lib/remoting-3.7.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-1.11.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.11.jar 50044
<===[JENKINS REMOTING CAPACITY]===>   channel started
ERROR: ================================================================================
ERROR: Invalid project setup: jenkins/security/MasterToSlaveCallable : Unsupported major.minor version 52.0
Triggering projects: metacat-unstable
ERROR: Processing failed due to a bug in the code. Please report this to jenkinsci-users@googlegroups.com
java.lang.NullPointerException
	at hudson.maven.AbstractMavenProcessFactory.newProcess(AbstractMavenProcessFactory.java:304)
	at hudson.maven.ProcessCache.get(ProcessCache.java:236)
	at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:803)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:490)
	at hudson.model.Run.execute(Run.java:1735)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:542)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:415)
project=hudson.maven.MavenModuleSet@7cc91ec6[ecoinf-eml-datamanager]
project.getModules()=[hudson.maven.MavenModule@5146e9e0[ecoinf-eml-datamanager/org.ecoinformatics.eml:datamanager][ecoinf-eml-datamanager/org.ecoinformatics.eml:datamanager][relativePath:]]
project.getRootModule()=hudson.maven.MavenModule@5146e9e0[ecoinf-eml-datamanager/org.ecoinformatics.eml:datamanager][ecoinf-eml-datamanager/org.ecoinformatics.eml:datamanager][relativePath:]
FATAL: null
java.lang.NullPointerException
	at hudson.maven.AbstractMavenProcessFactory.newProcess(AbstractMavenProcessFactory.java:304)
	at hudson.maven.ProcessCache.get(ProcessCache.java:236)
	at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:803)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:490)
	at hudson.model.Run.execute(Run.java:1735)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:542)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:415)
Notifying upstream projects of job completion
Finished: FAILURE