Build failed in Jenkins: java-support-v7 #252

[Shibboleth Jenkins]

See <http://127.0.0.1:1583/jenkins/job/java-support-v7/252/display/redirect?page=changes>

Changes:

[Ian Young] JSPT-91 - multimap test failures dependent on execution time zone

------------------------------------------
Started by an SCM change
Running as SYSTEM
Building on master in workspace <http://127.0.0.1:1583/jenkins/job/java-support-v7/ws/>
No credentials specified
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url git://git.shibboleth.net/java-support # timeout=10
Fetching upstream changes from git://git.shibboleth.net/java-support
 > git --version # timeout=10
 > git fetch --tags --progress git://git.shibboleth.net/java-support +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/maint-7^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/maint-7^{commit} # timeout=10
Checking out Revision 187fbb2c0aedef825788b027ba48786e5df3b19c (refs/remotes/origin/maint-7)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 187fbb2c0aedef825788b027ba48786e5df3b19c
Commit message: "JSPT-91 - multimap test failures dependent on execution time zone"
 > git rev-list --no-walk 0d19e30b3edf80daa9eaf121ce1a96c7f4a3ee32 # timeout=10
Parsing POMs
Established TCP socket on 42096
[workspace] $ /opt/jdk/jdk-7/bin/java -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-agent-1.13.jar:/opt/maven_home/boot/plexus-classworlds-2.5.2.jar:/opt/maven_home/conf/logging jenkins.maven3.agent.Maven35Main /opt/maven_home /var/cache/jenkins/war/WEB-INF/lib/remoting-3.29.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-interceptor-1.13.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.13.jar 42096
Exception in thread "main" java.lang.UnsupportedClassVersionError: jenkins/maven3/agent/Maven35Main : 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$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)
ERROR: Failed to launch Maven. Exit code = 1
TestNG Reports Processing: START
Looking for TestNG results report in workspace using pattern: **/target/surefire-reports/testng-results.xml
testng-results.xml was last modified before this build started. Ignoring it.
Saving reports...
Found matching files but did not find any TestNG results.