Github user karol-brejna-i commented on the issue:
https://github.com/apache/incubator-gearpump/pull/162
The change you suggested works fine on my ubuntu 14.04:
```
[info] Run completed in 25 minutes, 45 seconds.
[info] Total number of tests run: 66
[info] Suites: completed 9, aborted 0
[info] Tests: succeeded 66, failed 0, canceled 0, ignored 0, pending 0
[info] All tests passed.
```
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