Github user AhyoungRyu commented on the issue:
https://github.com/apache/zeppelin/pull/1518
Seems there are some test failures in [ SCALA_VER="2.10"
SPARK_VER="1.5.2"](https://travis-ci.org/apache/zeppelin/jobs/167607199)
```
Results :
Tests in error:
InterpreterRestApiTest.init:53->AbstractTestRestApi.startUp:159 û
NullPointer
CredentialsRestApiTest.init:46->AbstractTestRestApi.startUp:159 û
NullPointer
ZeppelinRestApiTest.init:56->AbstractTestRestApi.startUp:159 û
NullPointer
ConfigurationsRestApiTest.init:39->AbstractTestRestApi.startUp:159 û
NullPointer
NotebookRestApiTest.init:55->AbstractTestRestApi.startUp:159 û
NullPointer
ZeppelinSparkClusterTest.init:49->AbstractTestRestApi.startUp:159 û
NullPointer
SecurityRestApiTest.init:44->AbstractTestRestApi.startUp:159 û
NullPointer
Tests run: 7, Failures: 0, Errors: 7, Skipped: 0
[INFO]
------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Zeppelin: Interpreter .............................. SUCCESS [
14.139 s]
[INFO] Zeppelin: Zengine .................................. SUCCESS [
7.096 s]
[INFO] Zeppelin: Display system apis ...................... SUCCESS [
3.527 s]
[INFO] Zeppelin: Spark dependencies ....................... SUCCESS [
42.764 s]
[INFO] Zeppelin: Spark .................................... SUCCESS [01:52
min]
[INFO] Zeppelin: Server ................................... FAILURE [
44.231 s]
[INFO] Zeppelin: R Interpreter ............................ SKIPPED
[INFO]
------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 03:44 min
[INFO] Finished at: 2016-10-14T15:35:13+00:00
[INFO] Final Memory: 47M/468M
[INFO]
------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on
project zeppelin-server: There are test failures.
[ERROR]
[ERROR] Please refer to
/home/travis/build/apache/zeppelin/zeppelin-server/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 :zeppelin-server
```
I think they are related with this change..
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