Build failed in Jenkins: Bigtop-trunk-test-execution #2100

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/Bigtop-trunk-test-execution/2100/display/redirect?page=changes>

Changes:

[of] BIGTOP-2753: Initial support for Debian-9

------------------------------------------
Started by an SCM change
[EnvInject] - Loading node environment variables.
Building remotely on ubuntu-eu2 (ubuntu trusty) in workspace <https://builds.apache.org/job/Bigtop-trunk-test-execution/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://git-wip-us.apache.org/repos/asf/bigtop.git # timeout=10
Fetching upstream changes from https://git-wip-us.apache.org/repos/asf/bigtop.git
 > git --version # timeout=10
 > git fetch --tags --progress https://git-wip-us.apache.org/repos/asf/bigtop.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse origin/master^{commit} # timeout=10
Checking out Revision 4701d1599f7e6c7a38629a09132be2c6dda59aa6 (origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 4701d1599f7e6c7a38629a09132be2c6dda59aa6
 > git rev-list 42eeb059e502e6e34a2b33ec582ed244985cd3cc # timeout=10
[Bigtop-trunk-test-execution] $ /home/jenkins/tools/maven/latest3/bin/mvn -f bigtop-tests/test-execution/pom.xml clean
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/maven/cli/MavenCli : Unsupported major.minor version 51.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	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:254)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
	at org.codehaus.plexus.classworlds.launcher.Launcher.getMainClass(Launcher.java:144)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:266)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Build step 'Invoke top-level Maven targets' marked build as failure