Github user Leemoonsoo commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/385#issuecomment-153725424
it's because of
```
[0K$ ./testing/startSparkCluster.sh 1.4.0 2.3
SPARK_HOME is
/home/travis/build/apache/incubator-zeppelin/spark-1.4.0-bin-hadoop2.3
No output has been received in the last 10 minutes, this potentially
indicates a stalled build or something wrong with the build itself.
```
issue resolved by #380. This time, you'll need rebase and push to apply
#380.
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