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https://issues.apache.org/jira/browse/FLINK-3265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15110450#comment-15110450
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ASF GitHub Bot commented on FLINK-3265:
---------------------------------------

GitHub user rmetzger opened a pull request:

    https://github.com/apache/flink/pull/1534

    [FLINK-3265] Make RabbitMQ source threadsafe

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/rmetzger/flink flink3265

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/1534.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1534
    
----
commit 12dfd6d7cf935eb351f142302097456f096919b6
Author: Robert Metzger <rmetz...@apache.org>
Date:   2016-01-21T11:22:21Z

    [FLINK-3265] Make RabbitMQ source threadsafe

----


> RabbitMQ Source not threadsafe: ConcurrentModificationException
> ---------------------------------------------------------------
>
>                 Key: FLINK-3265
>                 URL: https://issues.apache.org/jira/browse/FLINK-3265
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming Connectors
>            Reporter: Robert Metzger
>            Assignee: Robert Metzger
>            Priority: Blocker
>              Labels: test-stability
>
> {code}
> -------------------------------------------------------
>  T E S T S
> -------------------------------------------------------
> Running org.apache.flink.streaming.connectors.rabbitmq.RMQSourceTest
> Tests run: 4, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 1.454 sec <<< 
> FAILURE! - in org.apache.flink.streaming.connectors.rabbitmq.RMQSourceTest
> testCheckpointing(org.apache.flink.streaming.connectors.rabbitmq.RMQSourceTest)
>   Time elapsed: 0.902 sec  <<< ERROR!
> java.util.ConcurrentModificationException: null
>       at java.util.HashMap$HashIterator.remove(HashMap.java:1443)
>       at java.util.AbstractSet.removeAll(AbstractSet.java:178)
>       at 
> org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.notifyCheckpointComplete(MessageAcknowledgingSourceBase.java:198)
>       at 
> org.apache.flink.streaming.connectors.rabbitmq.RMQSourceTest.testCheckpointing(RMQSourceTest.java:144)
> Results :
> Tests in error: 
>   RMQSourceTest.testCheckpointing:144 » ConcurrentModification
> {code}
> https://s3.amazonaws.com/archive.travis-ci.org/jobs/103452897/log.txt



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