Build failed in Jenkins: Hama-trunk #470

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See <https://builds.apache.org/job/Hama-trunk/470/changes>

Changes:

[edwardyoon] HAMA-985: Update git scm provider dependency

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[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ hama-graph ---
[INFO] Deleting <https://builds.apache.org/job/Hama-trunk/ws/graph> (includes = [lib/**, logs/**, **/docs, docs/apidocs/**, c++/src/CMakeCache.txt, c++/src/CMakeFiles/, c++/src/Makefile, c++/src/cmake_install.cmake, c++/src/examples/], excludes = [])
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.2.1:process (default) @ hama-graph ---
[INFO] 
[INFO] --- maven-resources-plugin:2.5:resources (default-resources) @ hama-graph ---
[debug] execute contextualize
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory <https://builds.apache.org/job/Hama-trunk/ws/graph/src/main/resources>
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ hama-graph ---
[INFO] Compiling 21 source files to <https://builds.apache.org/job/Hama-trunk/ws/graph/target/classes>
[INFO] 
[INFO] --- maven-resources-plugin:2.5:testResources (default-testResources) @ hama-graph ---
[debug] execute contextualize
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory <https://builds.apache.org/job/Hama-trunk/ws/graph/src/test/resources>
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:testCompile (default-testCompile) @ hama-graph ---
[INFO] Compiling 7 source files to <https://builds.apache.org/job/Hama-trunk/ws/graph/target/test-classes>
[INFO] 
[INFO] --- maven-surefire-plugin:2.6:test (default-test) @ hama-graph ---
[INFO] Concurrency config is {threadCount=10, parallel=methods, configurableParallelComputerPresent=false}
[INFO] Surefire report directory: <https://builds.apache.org/job/Hama-trunk/ws/graph/target/surefire-reports>

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.apache.hama.graph.TestSumAggregator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.017 sec
Running org.apache.hama.graph.TestAverageAggregator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.018 sec
Running org.apache.hama.graph.TestAbsDiffAggregator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.013 sec
Running org.apache.hama.graph.TestMinMaxAggregator
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.012 sec
Running org.apache.hama.graph.TestGraphJobMessage
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.015 sec
Running org.apache.hama.graph.TestSubmitGraphJob
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec <<< FAILURE!
log4j:WARN No appenders could be found for logger (org.apache.hadoop.util.Shell).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

Results :

Failed tests: 
  testSubmitJob(org.apache.hama.graph.TestSubmitGraphJob)

Tests run: 7, Failures: 1, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Hama parent POM ............................ SUCCESS [43.692s]
[INFO] pipes ............................................. SUCCESS [25.539s]
[INFO] commons ........................................... SUCCESS [15.386s]
[INFO] core .............................................. SUCCESS [4:24.105s]
[INFO] graph ............................................. FAILURE [1:09.221s]
[INFO] machine learning .................................. SKIPPED
[INFO] examples .......................................... SKIPPED
[INFO] mesos ............................................. SKIPPED
[INFO] yarn .............................................. SKIPPED
[INFO] hama-dist ......................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7:00.978s
[INFO] Finished at: Sat Mar 12 07:51:54 UTC 2016
[INFO] Final Memory: 98M/1347M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.6:test (default-test) on project hama-graph: There are test failures.
[ERROR] 
[ERROR] Please refer to <https://builds.apache.org/job/Hama-trunk/ws/graph/target/surefire-reports> for the individual test results.
[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
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hama-graph
Build step 'Invoke top-level Maven targets' marked build as failure
Archiving artifacts
Recording test results
Error updating JIRA issues. Saving issues for next build.
java.lang.NullPointerException

Jenkins build is back to normal : Hama-trunk #471

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See <https://builds.apache.org/job/Hama-trunk/471/changes>