Github user bzz commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/850#issuecomment-213201586
Test failure looks quite strange
```
[INFO] Building Zeppelin: Server 0.6.0-incubating-SNAPSHOT
...
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.zeppelin.rest.ZeppelinSparkClusterTest
....
01:13:27,991 INFO org.apache.zeppelin.socket.NotebookServer:1110 - Job
20160422-011317_510294549 is finished
01:13:28,015 INFO org.apache.zeppelin.notebook.Paragraph:235 - run
paragraph 20160422-011328_1891493426 using pyspark
org.apache.zeppelin.interpreter.LazyOpenInterpreter@2373e70d
No output has been received in the last 10 minutes, this potentially
indicates a stalled build or something wrong with the build itself.
The build has been terminated
```
@prasadwagle could you please close and re-opening the PR again to trigger
a CI and see if this deserves a JIRA issue with `flaky-test` label?
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