上流プロジェクト"system-library-update"の#24が実行  元の原因: ユーザーjfutが実行 ビルドします。 ワークスペース: /home/services/jenkins/jobs/system-library-update/workspace/jdk/JDK-1.6 [JDK-1.6] $ /bin/sh -xe /tmp/hudson3865028289101967774.sh + cat + cat Unpacking http://archive.apache.org/dist/ant/binaries/apache-ant-1.9.6-bin.zip to /home/services/jenkins/tools/hudson.tasks.Ant_AntInstallation/LATEST_ANT on Jenkins [JDK-1.6] $ /home/services/jenkins/tools/hudson.tasks.Ant_AntInstallation/LATEST_ANT/bin/ant -Djdk=JDK-1.6 Buildfile: /home/services/jenkins/jobs/system-library-update/workspace/jdk/JDK-1.6/build.xml BUILD SUCCESSFUL Total time: 0 seconds [JDK-1.6] $ /home/services/jenkins/tools/hudson.tasks.Maven_MavenInstallation/LATEST_MAVEN/bin/mvn -Djdk=JDK-1.6 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 'Mavenの呼び出し' marked build as failure Started calculate disk usage of build Finished Calculation of disk usage of build in 0 seconds Started calculate disk usage of workspace Finished Calculation of disk usage of workspace in 0 seconds Finished: FAILURE