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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7880) flink-queryable-state-java fails with core-dump
Date Wed, 29 Nov 2017 14:42:03 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270824#comment-16270824
] 

ASF GitHub Bot commented on FLINK-7880:
---------------------------------------

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

    https://github.com/apache/flink/pull/5062#discussion_r153788979
  
    --- Diff: flink-queryable-state/flink-queryable-state-runtime/src/test/java/org/apache/flink/queryablestate/network/ClientTest.java
---
    @@ -95,15 +97,20 @@
     
     	private static final Logger LOG = LoggerFactory.getLogger(ClientTest.class);
     
    +	private static final FiniteDuration TEST_TIMEOUT = new FiniteDuration(20L, TimeUnit.SECONDS);
    +
     	// Thread pool for client bootstrap (shared between tests)
    -	private static final NioEventLoopGroup NIO_GROUP = new NioEventLoopGroup();
    +	private NioEventLoopGroup nioGroup;
     
    -	private static final FiniteDuration TEST_TIMEOUT = new FiniteDuration(10L, TimeUnit.SECONDS);
    +	@Before
    +	public void setUp() throws Exception {
    +		nioGroup = new NioEventLoopGroup();
    --- End diff --
    
    this method isn't strictly necessary; you can also do `private final NioEventLoopGroup
nioGroup = new NioEventLoopGroup()`. Then you would also no longer need the null-check in
`@After`.


> flink-queryable-state-java fails with core-dump
> -----------------------------------------------
>
>                 Key: FLINK-7880
>                 URL: https://issues.apache.org/jira/browse/FLINK-7880
>             Project: Flink
>          Issue Type: Bug
>          Components: Queryable State, Tests
>    Affects Versions: 1.4.0
>            Reporter: Till Rohrmann
>            Assignee: Kostas Kloudas
>            Priority: Critical
>              Labels: test-stability
>
> The {{flink-queryable-state-java}} module fails on Travis with a core dump.
> https://travis-ci.org/tillrohrmann/flink/jobs/289949829



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