Github user jongyoul commented on the issue:
https://github.com/apache/zeppelin/pull/1288
The second: https://travis-ci.org/apache/zeppelin/builds/149987385
There're flaky tests in this trial
```
Failed tests:
ZeppelinSparkClusterTest.pySparkTest:141 expected:<FINISHED> but
was:<ERROR>
ZeppelinSparkClusterTest.zRunTest:200 expected:<FINISHED> but was:<ERROR>
ZeppelinSparkClusterTest.sparkRTest:89->getSparkVersionNumber:276
expected:<FINISHED> but was:<ERROR>
```
And it has an error
```
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-antrun-plugin:1.7:run (start-zeppelin) on
project zeppelin-server: An Ant BuildException has occured: The directory
/home/travis/build/apache/zeppelin/zeppelin-server/${zeppelin.daemon.package.base}
does not exist
[ERROR] around Ant part ...<exec spawn="true"
dir="${zeppelin.daemon.package.base}" executable="./zeppelin-daemon.sh">... @
4:94 in
/home/travis/build/apache/zeppelin/zeppelin-server/target/antrun/build-main.xml
```
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