[jira] [Created] (FLINK-8138) Race in TaskAsyncCallTest leads to test time out

[Shang Yuanchun (Jira)]

Ufuk Celebi created FLINK-8138:
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             Summary: Race in TaskAsyncCallTest leads to test time out
                 Key: FLINK-8138
                 URL: https://issues.apache.org/jira/browse/FLINK-8138
             Project: Flink
          Issue Type: Bug
          Components: Tests
            Reporter: Ufuk Celebi
            Priority: Minor


{{TaskAsyncCallTest#testSetsUserCodeClassLoader}} times out with a stack trace on Travis on a personal branch with unrelated changes on top of 1.4.0 RC 0.

I've attached the Travis output to this issue. The main thread is stuck in
{code}
"main" #1 prio=5 os_prio=0 tid=0x00007ff59000a000 nid=0xb9b in Object.wait() [0x00007ff598965000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000000833994c8> (a java.lang.Object)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.flink.core.testutils.OneShotLatch.await(OneShotLatch.java:56)
        - locked <0x00000000833994c8> (a java.lang.Object)
        at org.apache.flink.runtime.taskmanager.TaskAsyncCallTest.testSetsUserCodeClassLoader(TaskAsyncCallTest.java:201)
{code}
There are no other Flink related threads alive.



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