Established TCP socket on 39533
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)
Established TCP socket on 37919
NOTE: Picked up JDK_JAVA_OPTIONS:  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
<===[JENKINS REMOTING CAPACITY]===>   channel started
Executing Maven:  -B -f /data/jenkins/workspace/app-server/pom.xml -gs /usr/local/maven/conf/settings.xml clean package
[INFO] Scanning for projects...
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for cn.wildfirechat:app:jar:0.68
[WARNING] 'dependencies.dependency.systemPath' for cn.wildfirechat:sdk:jar should not point at files within the project directory, ${project.basedir}/src/lib/sdk-${wfc.sdk.version}.jar will be unresolvable by dependent projects @ line 155, column 16
[WARNING] 'dependencies.dependency.systemPath' for cn.wildfirechat:common:jar should not point at files within the project directory, ${project.basedir}/src/lib/common-${wfc.sdk.version}.jar will be unresolvable by dependent projects @ line 163, column 16
[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] ------------------------< cn.wildfirechat:app >-------------------------
[INFO] Building app 0.68
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.1.0:clean (default-clean) @ app ---
[INFO] Deleting /data/jenkins/workspace/app-server/target
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ app ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 1 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ app ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 91 source files to /data/jenkins/workspace/app-server/target/classes
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ app ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /data/jenkins/workspace/app-server/src/test/resources
Started
Running as SYSTEM
Finished: ABORTED