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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2016/06/09 19:33:21 UTC

[jira] [Created] (FLINK-4052) Unstable test

Stephan Ewen created FLINK-4052:
-----------------------------------

             Summary: Unstable test
                 Key: FLINK-4052
                 URL: https://issues.apache.org/jira/browse/FLINK-4052
             Project: Flink
          Issue Type: Bug
          Components: Tests
    Affects Versions: 1.0.2
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
            Priority: Critical
             Fix For: 1.1.0


The error is the following:

{code}
ConnectionUtilsTest.testReturnLocalHostAddressUsingHeuristics:59 expected:<testing-worker-linux-docker-e744e561-3361-linux-13/172.17.5.9> but was:</127.0.0.1>
{code}

The probable cause for the failure is that the test tries to select an unused closed port (from the ephemeral range), and then assumes that all connections to that port fail.

If a concurrent test actually uses that port, connections to the port will succeed.



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