Established TCP socket on 42780 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.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 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:247) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) at org.jvnet.hudson.maven3.agent.Maven3Main.main(Maven3Main.java:138) at org.jvnet.hudson.maven3.agent.Maven3Main.main(Maven3Main.java:70) Established TCP socket on 42846 <===[JENKINS REMOTING CAPACITY]===>channel started Executing Maven: -B -f /var/lib/jenkins/workspace/BungeePermsTest/pom.xml clean install -Dbuild.number=48 -Dbuild.type=dev-test [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building BungeePerms 3.0 [INFO] ------------------------------------------------------------------------ Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/net/md-5/bungeecord-api/1.12-SNAPSHOT/maven-metadata.xml Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/md-5/bungeecord-api/1.12-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata net.md-5:bungeecord-api:1.12-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net: Name or service not known Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/md-5/bungeecord-parent/1.12-SNAPSHOT/maven-metadata.xml Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/net/md-5/bungeecord-parent/1.12-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata net.md-5:bungeecord-parent:1.12-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/md-5/bungeecord-chat/1.12-SNAPSHOT/maven-metadata.xml Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/net/md-5/bungeecord-chat/1.12-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata net.md-5:bungeecord-chat:1.12-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/md-5/bungeecord-config/1.12-SNAPSHOT/maven-metadata.xml Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/net/md-5/bungeecord-config/1.12-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata net.md-5:bungeecord-config:1.12-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/md-5/bungeecord-event/1.12-SNAPSHOT/maven-metadata.xml Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/net/md-5/bungeecord-event/1.12-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata net.md-5:bungeecord-event:1.12-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/md-5/bungeecord-protocol/1.12-SNAPSHOT/maven-metadata.xml Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/net/md-5/bungeecord-protocol/1.12-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata net.md-5:bungeecord-protocol:1.12-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/com/mojang/AccountsClient/0.0.1-SNAPSHOT/maven-metadata.xml Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/com/mojang/AccountsClient/0.0.1-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata com.mojang:AccountsClient:0.0.1-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net [WARNING] Failure to transfer com.mojang:AccountsClient:0.0.1-SNAPSHOT/maven-metadata.xml from http://nexus.theyeticave.net/content/repositories/pub_releases was cached in the local repository, resolution will not be reattempted until the update interval of vault-repo has elapsed or updates are forced. Original error: Could not transfer metadata com.mojang:AccountsClient:0.0.1-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/org/spigotmc/spigot-api/1.12-R0.1-SNAPSHOT/maven-metadata.xml Downloading: file:///var/lib/jenkins/workspace/BungeePermsTest/lib/repository/org/spigotmc/spigot-api/1.12-R0.1-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata org.spigotmc:spigot-api:1.12-R0.1-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases): nexus.theyeticave.net [WARNING] The POM for net.milkbowl.vault:Vault:jar:1.2.32 is invalid, transitive dependencies (if any) will not be available, enable debug logging for more details [WARNING] The POM for net.ess3:Essentials:jar:2.13.1 is invalid, transitive dependencies (if any) will not be available, enable debug logging for more details [INFO] [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ BungeePerms --- [INFO] Deleting /var/lib/jenkins/workspace/BungeePermsTest/target [INFO] [INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ BungeePerms --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 5 resources [INFO] [INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ BungeePerms --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 113 source files to /var/lib/jenkins/workspace/BungeePermsTest/target/classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] javac: invalid target release: 1.8 Usage: javac use -help for a list of possible options [INFO] 1 error [INFO] ------------------------------------------------------------- [WARNING] Attempt to (de-)serialize anonymous class hudson.maven.reporters.MavenArtifactArchiver$2; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/ [WARNING] Attempt to (de-)serialize anonymous class hudson.maven.reporters.MavenFingerprinter$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/ [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.823s [INFO] Finished at: Tue Jul 24 00:40:28 CEST 2018 [INFO] Final Memory: 16M/170M [INFO] ------------------------------------------------------------------------ Waiting for Jenkins to finish collecting data [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.7.0:compile (default-compile) on project BungeePerms: Compilation failure [ERROR] javac: invalid target release: 1.8 [ERROR] Usage: javac [ERROR] use -help for a list of possible options [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR]