[JIRA] (JENKINS-40810) UnsupportedClassVersionError when using JDK6

[rmpest...@gmail.com (JIRA)]

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Rafael Pestano created an issue   Jenkins / JENKINS-40810 UnsupportedClassVersionError when using JDK6 Issue Type: Bug Assignee: Unassigned Components: remoting Created: 2017/Jan/04 7:54 PM Labels: jenkins Priority: Minor Reporter: Rafael Pestano Hi Guys, we recently upgraded our jenkins from 2.19.4 LTS to 2.32.1 LTS and we are facing an issue in jobs using JDK 6. If I run in master the exception below occours but the job succeds: Established TCP socket on 43500 [spj-deploy-fabrica] $ /opt/jenkins-java/jdk1.6/bin/java -Duser.timezone=GMT-03:00 -Djavax.net.ssl.trustStore=/opt/security/cacert.jks -Djavax.net.ssl.trustStorePassword=jb05%c@c3rtP@5%w0rd -cp /var/procergs/build-tools/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-agent-1.8.1.jar:/opt/apache-maven-3/boot/plexus-classworlds-2.5.1.jar:/opt/apache-maven-3/conf/logging jenkins.maven3.agent.Maven32Main /opt/apache-maven-3 /opt/jboss-eap-7.0/domain/servers/JENKINS/tmp/vfs/temp/temp2beba3780575b554/content-1dac40c08d58316e/WEB-INF/lib/remoting-3.2.jar /var/procergs/build-tools/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-interceptor-1.8.1.jar /var/procergs/build-tools/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.8.1.jar 43500 Exception in thread "main" java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher : 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:389) at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42) at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:259) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:242) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:227) at jenkins.maven3.agent.Maven32Main.main(Maven32Main.java:143) at jenkins.maven3.agent.Maven32Main.main(Maven32Main.java:74) ERROR: ================================================================================ ERROR: Invalid project setup: Connection reset ERROR: [JENKINS-18403][JENKINS-28294] JDK 'jdk1.6.0_27' not supported to run Maven projects. ERROR: Maven projects have to be launched with a Java version greater or equal to the minimum version required by the master. ERROR: Use the Maven JDK Toolchains (plugin) to build your maven project with an older JDK. ERROR: Retrying with slave Java and setting compile/test properties to point to /opt/jenkins-java/jdk1.6. ERROR: ================================================================================ Established TCP socket on 48365 [spj-deploy-fabrica] $ /opt/java/jdk1.8.0_91/jre/bin/java -Duser.timezone=GMT-03:00 -Djavax.net.ssl.trustStore=/opt/security/cacert.jks -Djavax.net.ssl.trustStorePassword=jb05%c@c3rtP@5%w0rd -cp /var/procergs/build-tools/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-agent-1.8.1.jar:/opt/apache-maven-3/boot/plexus-classworlds-2.5.1.jar:/opt/apache-maven-3/conf/logging jenkins.maven3.agent.Maven32Main /opt/apache-maven-3 /opt/jboss-eap-7.0/domain/servers/JENKINS/tmp/vfs/temp/temp2beba3780575b554/content-1dac40c08d58316e/WEB-INF/lib/remoting-3.2.jar /var/procergs/build-tools/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-interceptor-1.8.1.jar /var/procergs/build-tools/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.8.1.jar 48365 <===[JENKINS REMOTING CAPACITY]===>channel started But when it runs on a slave it fails: Established TCP socket on 41401 maven32-agent.jar already up to date maven32-interceptor.jar already up to date maven3-interceptor-commons.jar already up to date [spj-deploy-fabrica] $ /opt/jenkins-java/jdk1.6/bin/java -Duser.timezone=GMT-03:00 -Djavax.net.ssl.trustStore=/opt/security/cacert.jks -Djavax.net.ssl.trustStorePassword=jb05%c@c3rtP@5%w0rd -cp /home/procergs/jboss/jenkins-slave/maven32-agent.jar:/opt/apache-maven-3/boot/plexus-classworlds-2.5.1.jar:/opt/apache-maven-3/conf/logging jenkins.maven3.agent.Maven32Main /opt/apache-maven-3 /home/procergs/jboss/jenkins-slave/slave.jar /home/procergs/jboss/jenkins-slave/maven32-interceptor.jar /home/procergs/jboss/jenkins-slave/maven3-interceptor-commons.jar 41401 Exception in thread "main" java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher : 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:389) at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42) at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:259) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:242) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:227) at jenkins.maven3.agent.Maven32Main.main(Maven32Main.java:143) at jenkins.maven3.agent.Maven32Main.main(Maven32Main.java:74) [spj-deploy-fabrica] $ /bin/sh -xe /tmp/hudson4749605600898410228.sh + cp spj-ear/target/spj.ear /weblogic/beades/user_projects/domains//dom_xpj_004_w10/autodeploy cp: cannot stat 'spj-ear/target/spj.ear': No such file or directory Build step 'Executar shell' marked build as failure ERROR: Falhou ao analisar POMs java.io.EOFException: unexpected stream termination at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:365) at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:310) at hudson.slaves.Channels.forProcess(Channels.java:115) at hudson.maven.AbstractMavenProcessFactory.newProcess(AbstractMavenProcessFactory.java:294) at hudson.maven.ProcessCache.get(ProcessCache.java:236) at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:798) at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:534) at hudson.model.Run.execute(Run.java:1728) at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:544) at hudson.model.ResourceController.execute(ResourceController.java:98) at hudson.model.Executor.run(Executor.java:404) 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 2 second Finished: FAILURE I don't know if it is related but there was a recent change in remoting in 2.27 (see JENKINS-37565) Add Comment   This message was sent by Atlassian JIRA (v7.1.7#71011-sha1:2526d7c) -- You received this message because you are subscribed to the Google Groups "Jenkins Issues" group. 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