Established TCP socket on 34756
<===[JENKINS REMOTING CAPACITY]===>   channel started
Executing Maven:  -B -f /var/lib/jenkins/workspace/LETTA/pom.xml clean install
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] Sample
[INFO] Domain
[INFO] Tests
[INFO] Service
[INFO] REST
[INFO] JSF
[INFO] EAR
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Sample 0.2.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ letta ---
[INFO] Deleting /var/lib/jenkins/workspace/LETTA/target
[INFO] 
[INFO] --- maven-dependency-plugin:2.10:unpack (unpack) @ letta ---
[INFO] Configured Artifact: org.wildfly:wildfly-dist:8.2.1.Final:zip
[INFO] Unpacking /var/lib/jenkins/.m2/repository/org/wildfly/wildfly-dist/8.2.1.Final/wildfly-dist-8.2.1.Final.zip to /var/lib/jenkins/workspace/LETTA/target with includes "" and excludes ""
[INFO] 
[INFO] --- maven-resources-plugin:2.7:copy-resources (copy-wildfly-resources) @ letta ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /var/lib/jenkins/workspace/LETTA/src/test/resources-wildfly-embedded-h2
[WARNING] Failed to getClass for org.apache.maven.plugin.source.SourceJarMojo
[INFO] 
[INFO] --- maven-source-plugin:2.4:jar (attach-sources) @ letta ---
[INFO] 
[INFO] --- maven-javadoc-plugin:2.10.3:jar (attach-javadocs) @ letta ---
[INFO] Not executing Javadoc as the project is not a Java classpath-capable package
[INFO] 
[INFO] --- maven-install-plugin:2.3:install (default-install) @ letta ---
[INFO] Installing /var/lib/jenkins/workspace/LETTA/pom.xml to /var/lib/jenkins/.m2/repository/es/uvigo/esei/dgss/letta/letta/0.2.0-SNAPSHOT/letta-0.2.0-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Sample ............................................ SUCCESS [8.898s]
[INFO] Domain ............................................ FAILURE [19.978s]
[INFO] Tests ............................................. SKIPPED
[INFO] Service ........................................... SKIPPED
[INFO] REST .............................................. SKIPPED
[INFO] JSF ............................................... SKIPPED
[INFO] EAR ............................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 29.948s
[INFO] Finished at: Tue Dec 22 19:09:46 CET 2015
[INFO] Final Memory: 47M/478M
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.10.3:jar (attach-javadocs) on project domain: MavenReportException: Error while generating Javadoc:
[ERROR] Exit code: 1 - /var/lib/jenkins/workspace/LETTA/domain/src/main/java/es/uvigo/esei/dgss/letta/domain/entities/Event.java:158: warning: no @param for description
[ERROR] public Event(

[ERROR] ^
[ERROR] /var/lib/jenkins/workspace/LETTA/domain/src/main/java/es/uvigo/esei/dgss/letta/domain/entities/User.java:506: error: reference not found
[ERROR] * {@link Notification} {@code null} otherwise
[ERROR] ^
[ERROR] /var/lib/jenkins/workspace/LETTA/domain/src/main/java/es/uvigo/esei/dgss/letta/domain/entities/User.java:509: error: reference not found
[ERROR] *         {@link Notification} {@code null} otherwise
[ERROR] ^
[ERROR] /var/lib/jenkins/workspace/LETTA/domain/src/main/java/es/uvigo/esei/dgss/letta/domain/entities/User.java:148: error: reference not found
[ERROR] *            if the {@link User} wants {@link Notification}
[ERROR] ^
[ERROR] 
[ERROR] Command line was: /usr/lib/jvm/java-8-oracle/jre/../bin/javadoc @options @packages
[ERROR] 
[ERROR] Refer to the generated Javadoc files in '/var/lib/jenkins/workspace/LETTA/domain/target/apidocs' dir.
[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/MojoExecutionException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :domain