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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-2791) ParallelMergeITCase failure
Date Thu, 01 Oct 2015 16:06:26 GMT

     [ https://issues.apache.org/jira/browse/FLINK-2791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Till Rohrmann closed FLINK-2791.
--------------------------------
    Resolution: Duplicate

Duplicate of FLINK-2697

> ParallelMergeITCase failure
> ---------------------------
>
>                 Key: FLINK-2791
>                 URL: https://issues.apache.org/jira/browse/FLINK-2791
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming, Tests
>            Reporter: Sachin Goel
>              Labels: test-stability
>
> {{ParallelMergeITCase}} fails with deadlock
> {code}
> "Thread-9":
>   waiting to lock monitor 0x00007f56480a93d8 (object 0x00000000f1c7eca0, a org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer),
>   which is held by "StreamDiscretizer -> TumblingGroupedPreReducer -> (Filter,
ExtractParts) (1/4)"
> "StreamDiscretizer -> TumblingGroupedPreReducer -> (Filter, ExtractParts) (1/4)":
>   waiting to lock monitor 0x00007f568ce29df8 (object 0x00000000f1c831e8, a org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy),
>   which is held by "Thread-9"
> Java stack information for the threads listed above:
> ===================================================
> "Thread-9":
> 	at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer.triggerOnFakeElement(StreamDiscretizer.java:121)
> 	- waiting to lock <0x00000000f1c7eca0> (a org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer)
> 	at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer$WindowingCallback.sendFakeElement(StreamDiscretizer.java:203)
> 	at org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy.activeFakeElementEmission(TimeTriggerPolicy.java:117)
> 	- locked <0x00000000f1c831e8> (a org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy)
> 	at org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy$TimeCheck.run(TimeTriggerPolicy.java:144)
> 	at java.lang.Thread.run(Thread.java:745)
> "StreamDiscretizer -> TumblingGroupedPreReducer -> (Filter, ExtractParts) (1/4)":
> 	at org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy.notifyTrigger(TimeTriggerPolicy.java:151)
> 	- waiting to lock <0x00000000f1c831e8> (a org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy)
> 	at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer.processRealElement(StreamDiscretizer.java:99)
> 	- locked <0x00000000f1c7eca0> (a org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer)
> 	at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer.processElement(StreamDiscretizer.java:73)
> 	at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:170)
> 	- locked <0x00000000f1c772f0> (a java.lang.Object)
> 	at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:55)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:198)
> 	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:579)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}
> Here's the entire build log: https://s3.amazonaws.com/archive.travis-ci.org/jobs/82894228/log.txt



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