Started by user Matthias Mueller Running as SYSTEM Building in workspace /var/lib/jenkins/workspace/appNG_Deploy_To_Repo The recommended git tool is: git using credential 7212ca60-dbd7-4a0f-9f8e-b6bc3d3993d4 > git rev-parse --resolve-git-dir /var/lib/jenkins/workspace/appNG_Deploy_To_Repo/.git # timeout=10 Fetching changes from the remote Git repository > git config remote.origin.url git@github.com:appNG/appng.git # timeout=10 Fetching upstream changes from git@github.com:appNG/appng.git > git --version # timeout=10 > git --version # 'git version 2.30.2' using GIT_SSH to set credentials Verifying host key using known hosts file > git fetch --tags --force --progress -- git@github.com:appNG/appng.git +refs/heads/*:refs/remotes/origin/* # timeout=10 > git rev-parse refs/remotes/origin/refs/tags/appng-1.26.4^{commit} # timeout=10 > git rev-parse refs/tags/appng-1.26.4^{commit} # timeout=10 Checking out Revision 061c5f411fa1cfb92f3cc00dd5ac5782bad2f0bf (refs/tags/appng-1.26.4) > git config core.sparsecheckout # timeout=10 > git checkout -f 061c5f411fa1cfb92f3cc00dd5ac5782bad2f0bf # timeout=10 Commit message: "preparing release 1.26.4" First time build. Skipping changelog. Parsing POMs Modules changed, recalculating dependency graph Established TCP socket on 40253 [appNG_Deploy_To_Repo] $ /var/lib/jenkins/tools/hudson.model.JDK/OpenJDK8/jdk8u362-b09/bin/java -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-agent-1.14.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3/boot/plexus-classworlds-2.6.0.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3/conf/logging jenkins.maven3.agent.Maven35Main /var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3 /var/cache/jenkins/war/WEB-INF/lib/remoting-3107.v665000b_51092.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-interceptor-1.14.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.14.jar 40253 Exception in thread "main" java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:756) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:473) at java.net.URLClassLoader.access$100(URLClassLoader.java:74) at java.net.URLClassLoader$1.run(URLClassLoader.java:369) at java.net.URLClassLoader$1.run(URLClassLoader.java:363) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:362) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:425) 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:247) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:136) at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:66) ERROR: ================================================================================ ERROR: Invalid project setup: Connection reset ERROR: [JENKINS-18403][JENKINS-28294] JDK 'OpenJDK8' 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 controller. ERROR: Use the Maven JDK Toolchains (plugin) to build your maven project with an older JDK. ERROR: Retrying with agent Java and setting compile/test properties to point to /var/lib/jenkins/tools/hudson.model.JDK/OpenJDK8/jdk8u362-b09. ERROR: ================================================================================ Established TCP socket on 40453 [appNG_Deploy_To_Repo] $ /usr/lib/jvm/java-11-openjdk-amd64/bin/java -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-agent-1.14.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3/boot/plexus-classworlds-2.6.0.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3/conf/logging jenkins.maven3.agent.Maven35Main /var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3.6.3 /var/cache/jenkins/war/WEB-INF/lib/remoting-3107.v665000b_51092.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-interceptor-1.14.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.14.jar 40453 <===[JENKINS REMOTING CAPACITY]===>