Sachin Goel created FLINK-2791:
----------------------------------
Summary: ParallelMergeITCase failure
Key: FLINK-2791
URL: https://issues.apache.org/jira/browse/FLINK-2791
Project: Flink
Issue Type: Bug
Components: Tests
Reporter: Sachin Goel
{{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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