AbortedConsole Output

Established TCP socket on 43193
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:803)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:442)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:64)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:354)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:348)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:347)
	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)
Established TCP socket on 50997
<===[JENKINS REMOTING CAPACITY]===>channel started
Executing Maven:  -B -f /var/lib/jenkins/jobs/d1_test_resources_beta/workspace/d1_test_resources/pom.xml clean dependency:tree install javadoc:javadoc
[INFO] Scanning for projects...
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for org.dataone:d1_test_resources:jar:2.0.1
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ line 17, column 21
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-jar-plugin is missing. @ line 41, column 21
[WARNING] 'build.plugins.plugin.version' for org.codehaus.mojo:buildnumber-maven-plugin is missing. @ line 25, column 21
[WARNING] 
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING] 
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING] 
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building DataONE Test Resources Package 2.0.1
[INFO] ------------------------------------------------------------------------
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-server-integ/2.0.0-M17/apacheds-server-integ-2.0.0-M17.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-server-integ/2.0.0-M17/apacheds-server-integ-2.0.0-M17.pom (14 KB at 22.4 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core/2.0.0-M17/apacheds-core-2.0.0-M17.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core/2.0.0-M17/apacheds-core-2.0.0-M17.pom (7 KB at 26.4 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-i18n/2.0.0-M17/apacheds-i18n-2.0.0-M17.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-i18n/2.0.0-M17/apacheds-i18n-2.0.0-M17.pom (3 KB at 9.0 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core-shared/2.0.0-M17/apacheds-core-shared-2.0.0-M17.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core-shared/2.0.0-M17/apacheds-core-shared-2.0.0-M17.pom (5 KB at 17.0 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core-api/2.0.0-M17/apacheds-core-api-2.0.0-M17.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core-api/2.0.0-M17/apacheds-core-api-2.0.0-M17.pom (6 KB at 26.8 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core-constants/2.0.0-M17/apacheds-core-constants-2.0.0-M17.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/server/apacheds-core-constants/2.0.0-M17/apacheds-core-constants-2.0.0-M17.pom (3 KB at 9.2 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-i18n/1.0.0-M23/api-i18n-1.0.0-M23.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-i18n/1.0.0-M23/api-i18n-1.0.0-M23.pom (3 KB at 9.5 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-parent/1.0.0-M23/api-parent-1.0.0-M23.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-parent/1.0.0-M23/api-parent-1.0.0-M23.pom (27 KB at 114.0 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-asn1-api/1.0.0-M23/api-asn1-api-1.0.0-M23.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-asn1-api/1.0.0-M23/api-asn1-api-1.0.0-M23.pom (3 KB at 14.0 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-asn1-parent/1.0.0-M23/api-asn1-parent-1.0.0-M23.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-asn1-parent/1.0.0-M23/api-asn1-parent-1.0.0-M23.pom (2 KB at 5.7 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-ldap-client-api/1.0.0-M23/api-ldap-client-api-1.0.0-M23.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-ldap-client-api/1.0.0-M23/api-ldap-client-api-1.0.0-M23.pom (5 KB at 21.6 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/directory/api/api-ldap-client-parent/1.0.0-M23/api-ldap-client-parent-1.0.0-M23.pom
Started
Notifying upstream projects of job completion
Join notifier requires a CauseAction
Finished: ABORTED