Started by timer Running as SYSTEM Building in workspace /home/services/jenkins/jobs/doma/workspace Updating https://www.seasar.org/svn/doma/trunk/doma at revision '2022-09-08T03:50:00.556 +0900' At revision 1285 No changes for https://www.seasar.org/svn/doma/trunk/doma since the previous build Parsing POMs Established TCP socket on 34346 [doma] $ /home/services/jenkins/tools/hudson.model.JDK/JDK-1.6/bin/java -cp /home/services/jenkins/plugins/maven-plugin/WEB-INF/lib/maven-agent-1.13.jar:/home/services/jenkins/tools/hudson.tasks.Maven_MavenInstallation/MAVEN-2.2/boot/classworlds-1.1.jar hudson.maven.agent.Main /home/services/jenkins/tools/hudson.tasks.Maven_MavenInstallation/MAVEN-2.2 /var/cache/jenkins/war/WEB-INF/lib/remoting-4.13.3.jar /home/services/jenkins/plugins/maven-plugin/WEB-INF/lib/maven-interceptor-1.13.jar 34346 /home/services/jenkins/plugins/maven-plugin/WEB-INF/lib/maven2.1-interceptor-1.2.jar 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.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 java.lang.ClassLoader.loadClass(ClassLoader.java:306) at org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.java:195) at org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:255) at hudson.maven.agent.Main.main(Main.java:145) at hudson.maven.agent.Main.main(Main.java:69) ERROR: ================================================================================ ERROR: Invalid project setup: Connection reset ERROR: [JENKINS-18403][JENKINS-28294] JDK 'JDK-1.6' 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 /home/services/jenkins/tools/hudson.model.JDK/JDK-1.6. ERROR: ================================================================================ Established TCP socket on 34779 [doma] $ /usr/local/java/amazon-corretto-8.322.06.2-linux-x64/jre/bin/java -cp /home/services/jenkins/plugins/maven-plugin/WEB-INF/lib/maven-agent-1.13.jar:/home/services/jenkins/tools/hudson.tasks.Maven_MavenInstallation/MAVEN-2.2/boot/classworlds-1.1.jar hudson.maven.agent.Main /home/services/jenkins/tools/hudson.tasks.Maven_MavenInstallation/MAVEN-2.2 /var/cache/jenkins/war/WEB-INF/lib/remoting-4.13.3.jar /home/services/jenkins/plugins/maven-plugin/WEB-INF/lib/maven-interceptor-1.13.jar 34779 /home/services/jenkins/plugins/maven-plugin/WEB-INF/lib/maven2.1-interceptor-1.2.jar <===[JENKINS REMOTING CAPACITY]===>