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https://issues.apache.org/jira/browse/FLINK-8623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16383644#comment-16383644
 ] 

ASF GitHub Bot commented on FLINK-8623:
---------------------------------------

Github user NicoK commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5449#discussion_r171858504
  
    --- Diff: 
flink-runtime/src/test/java/org/apache/flink/runtime/net/ConnectionUtilsTest.java
 ---
    @@ -61,7 +61,7 @@ public void testReturnLocalHostAddressUsingHeuristics() 
throws Exception {
                        assertNotNull(add);
     
                        // make sure that we returned the 
InetAddress.getLocalHost as a heuristic
    -                   assertEquals(InetAddress.getLocalHost(), add);
    +                   assertEquals(InetAddress.getByName("localhost"), add);
    --- End diff --
    
    How about also changing the blocker above to accept connections on any 
interface just to rule accidental successful resolve attempts out, too, i.e. 
using `ServerSocket blocker = new ServerSocket(0, 1, null)`?


> ConnectionUtilsTest.testReturnLocalHostAddressUsingHeuristics unstable on 
> Travis
> --------------------------------------------------------------------------------
>
>                 Key: FLINK-8623
>                 URL: https://issues.apache.org/jira/browse/FLINK-8623
>             Project: Flink
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 1.5.0
>            Reporter: Till Rohrmann
>            Priority: Blocker
>              Labels: test-stability
>             Fix For: 1.5.0, 1.4.3
>
>
> {{ConnectionUtilsTest.testReturnLocalHostAddressUsingHeuristics}} fails on 
> Travis: https://travis-ci.org/apache/flink/jobs/339344442



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