FailedConsole Output

Started by an SCM change
Building in workspace /var/lib/jenkins/jobs/BuildTools/workspace
Fetching changes from the remote Git repository
Checking out Revision 9d5839f402ffdcf989492cee14bef70ce34db6f4 (refs/remotes/origin/master)
Commit message: "Detect and refuse to build using unsupported Java versions."
Parsing POMs
Established TCP socket on 39311
[workspace] $ java -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-agent-1.12-alpha-1.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3/boot/plexus-classworlds-2.5.1.jar:/var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3/conf/logging jenkins.maven3.agent.Maven32Main /var/lib/jenkins/tools/hudson.tasks.Maven_MavenInstallation/Maven_3 /var/cache/jenkins/war/WEB-INF/lib/remoting-3.21.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-interceptor-1.12-alpha-1.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.12-alpha-1.jar 39311
<===[JENKINS REMOTING CAPACITY]===>channel started
Executing Maven:  -B -f /var/lib/jenkins/jobs/BuildTools/workspace/pom.xml clean install -Dbuild.number=76
[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building BuildTools 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ builder ---
[INFO] Deleting /var/lib/jenkins/jobs/BuildTools/workspace/target
[INFO] 
[INFO] --- scriptus:0.2:describe (default) @ builder ---
[INFO] Set property "describe" to "git-BuildTools-9d5839f-76"
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ builder ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /var/lib/jenkins/jobs/BuildTools/workspace/src/main/resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.5.1:compile (default-compile) @ builder ---
[INFO] Compiling 4 source files to /var/lib/jenkins/jobs/BuildTools/workspace/target/classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[8,8] error: cannot find symbol
[ERROR]   symbol:   class JavaVersion
  location: class Bootstrap
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[8,34] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Bootstrap
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[10,51] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[17,51] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[23,28] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Bootstrap
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[293,39] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[293,72] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[297,133] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[299,20] error: cannot find symbol
[ERROR]   symbol:   class JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[299,45] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[300,20] error: cannot find symbol
[ERROR]   symbol:   class JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[300,45] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[301,20] error: cannot find symbol
[ERROR]   symbol:   class JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[301,45] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[303,39] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[303,76] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[305,108] error: cannot find symbol
[ERROR]   symbol:   variable JavaVersion
  location: class Builder
/var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[311,124] error: cannot find symbol
[INFO] 18 errors 
[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: 3.236 s
[INFO] Finished at: 2018-08-29T23:56:18+00:00
[INFO] Final Memory: 20M/268M
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project builder: Compilation failure: Compilation failure:
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[8,8] error: cannot find symbol
[ERROR] symbol:   class JavaVersion
[ERROR] location: class Bootstrap
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[8,34] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Bootstrap
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[10,51] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[17,51] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Bootstrap.java:[23,28] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Bootstrap
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[293,39] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[293,72] error: package JavaVersion does not exist
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[297,133] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[299,20] error: cannot find symbol
[ERROR] symbol:   class JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[299,45] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[300,20] error: cannot find symbol
[ERROR] symbol:   class JavaVersion
[JENKINS] Archiving /var/lib/jenkins/jobs/BuildTools/workspace/pom.xml to org.spigotmc/builder/1.0-SNAPSHOT/builder-1.0-SNAPSHOT.pom
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[300,45] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[301,20] error: cannot find symbol
[ERROR] symbol:   class JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[301,45] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[303,39] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[303,76] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[305,108] error: cannot find symbol
[ERROR] symbol:   variable JavaVersion
[ERROR] location: class Builder
[ERROR] /var/lib/jenkins/jobs/BuildTools/workspace/src/main/java/org/spigotmc/builder/Builder.java:[311,124] error: cannot find symbol
[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] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
channel stopped
Archiving artifacts
Finished: FAILURE