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From Stephan Ewen <se...@apache.org>
Subject Re: Driver Test Base issue
Date Tue, 25 Aug 2015 11:30:24 GMT
Looking into this. Seems like a wrong use of assertions in a parallel
thread, where errors are not propagated to the main JUNit thread.

On Mon, Aug 24, 2015 at 6:53 PM, Sachin Goel <sachingoel0101@gmail.com>
wrote:

> Hi Max
> I have already created a Jira for this.
> https://issues.apache.org/jira/browse/FLINK-2528
> The failing test was testCancelMatchTaskWhileMatching(), but I think it has
> more to do with the failure in canceling in general. I'll point you to some
> build logs. It might take me some time to find them since I've triggered
> quite a few builds since my email.
>
> ​Cheers!
> Sachin​
>
> -- Sachin Goel
> Computer Science, IIT Delhi
> m. +91-9871457685
>
> On Mon, Aug 24, 2015 at 3:38 PM, Maximilian Michels <mxm@apache.org>
> wrote:
>
> > Hi Sachin,
> >
> > Thanks for reporting. Which of the test cases failed in the MapTaskTest
> and
> > the MatchTaskTest?
> >
> > Best,
> > Max
> >
> > On Tue, Aug 18, 2015 at 5:35 PM, Sachin Goel <sachingoel0101@gmail.com>
> > wrote:
> >
> > > There appears to be some issue in DriverTestBase. I have observed two
> > > failures recently, once in MatchTaskTest and MapTaskTest, both with the
> > > following trace:
> > >
> > >
> > > Exception in thread "Thread-154" java.lang.AssertionError: Canceling
> task
> > > failed: java.lang.NullPointerException
> > > at
> > >
> > >
> >
> org.apache.flink.runtime.operators.testutils.DriverTestBase.cancel(DriverTestBase.java:271)
> > > at
> > >
> > >
> >
> org.apache.flink.runtime.operators.testutils.TaskCancelThread.run(TaskCancelThread.java:60)
> > >
> > > at org.junit.Assert.fail(Assert.java:88)
> > > at
> > >
> > >
> >
> org.apache.flink.runtime.operators.testutils.TaskCancelThread.run(TaskCancelThread.java:68)
> > >
> > > Regards
> > > Sachin
> > >
> > > -- Sachin Goel
> > > Computer Science, IIT Delhi
> > > m. +91-9871457685
> > >
> >
>

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