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[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for citizens-parent 2.0.26-SNAPSHOT:
[INFO] 
[INFO] citizens-parent .................................... SUCCESS [  2.136 s]
[INFO] citizens-main ...................................... SUCCESS [01:01 min]
[INFO] citizens-v1_8_R3 ................................... SUCCESS [ 24.136 s]
[INFO] citizens-v1_10_R1 .................................. FAILURE [17:53 min]
[INFO] citizens-v1_11_R1 .................................. SKIPPED
[INFO] citizens-v1_12_R1 .................................. SKIPPED
[INFO] citizens-v1_13_R2 .................................. SKIPPED
[INFO] citizens-v1_14_R1 .................................. SKIPPED
[INFO] citizens-v1_15_R1 .................................. SKIPPED
[INFO] citizens ........................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  19:26 min
[INFO] Finished at: 2020-03-27T11:10:18Z
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.10.1:javadoc (default-cli) on project citizens-v1_10_R1: An error has occurred in JavaDocs report generation:
[ERROR] Exit code: 1 - Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000f5a00000, 7864320, 0) failed; error='Cannot allocate memory' (errno=12)
[ERROR] 
[ERROR] Command line was: /var/lib/jenkins/tools/hudson.model.JDK/JDK8/jre/../bin/javadoc @options @packages
[ERROR] 
[ERROR] Refer to the generated Javadoc files in '/var/lib/jenkins/jobs/Citizens2/workspace/v1_10_R1/target/site/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 :citizens-v1_10_R1

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Finished: NOT_BUILT