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Posted to commits@heron.apache.org by GitBox <gi...@apache.org> on 2018/06/19 19:54:50 UTC
[GitHub] Code0x58 opened a new issue #2925: Flaky Java integration test
Code0x58 opened a new issue #2925: Flaky Java integration test
URL: https://github.com/apache/incubator-heron/issues/2925
This has failed a few times at least recently, and is why the current commit on master is red.
File: [/integration_test/src/java/org/apache/heron/integration_test/topology/non_grouping/NonGrouping.java](https://github.com/apache/incubator-heron/blob/0138b8d451c988f53e431f951f9a6fb9f2f4c116/integration_test/src/java/org/apache/heron/integration_test/topology/non_grouping/NonGrouping.java)
Example failure: [build](https://travis-ci.org/apache/incubator-heron/builds/393993192?utm_source=github_status&utm_medium=notification)
```
[2018-06-19 09:44:54 +0000] [INFO]: Fetching results for topology 20180619094300_IntegrationTest_NonGrouping_93bd575e-d7f0-4fb1-96d2-4b8bb7e4cd1f, retry count: 5
[2018-06-19 09:44:54 +0000] [INFO]: 200 GET /results/20180619094300_IntegrationTest_NonGrouping_93bd575e-d7f0-4fb1-96d2-4b8bb7e4cd1f (127.0.0.1) 0.99ms
[2018-06-19 09:44:54 +0000] [ERROR]: Actual result did not match expected result
[2018-06-19 09:44:54 +0000] [INFO]: Actual result ----------
['A', 'A', 'A', 'A', 'A', 'A', 'A', 'B', 'B', 'B', 'B', 'B', 'B', 'B']
[2018-06-19 09:44:54 +0000] [INFO]: Expected result ----------
['A', 'A', 'A', 'A', 'A', 'B', 'B', 'B', 'B', 'B']
[2018-06-19 09:44:54 +0000] [ERROR]: Checking result failed for 20180619094300_IntegrationTest_NonGrouping_93bd575e-d7f0-4fb1-96d2-4b8bb7e4cd1f topology :: Traceback (most recent call last):
File "integration_test/src/python/test_runner/main.py", line 184, in run_test
return results_checker.check_results()
File "integration_test/src/python/test_runner/main.py", line 103, in check_results
return self._compare(expected_results, actual_results)
File "integration_test/src/python/test_runner/main.py", line 116, in _compare
raise failure
TestFailure: ('Actual result did not match expected result', None)
```
In a version of Bazel newer than that which I have seen documented, or used by Travis (which was the newer of the two), there is the [flaky](https://docs.bazel.build/versions/master/be/common-definitions.html#test.flaky) flag which can be used to retry a test up to 3 times. That said, I don't know how dependable this tested component should be at the moment, so this might just be a bug in the software or test setup.
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