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From Maximilian Michels <...@apache.org>
Subject Re: Travis Error Java 8
Date Tue, 20 Oct 2015 16:33:44 GMT
Yes, the G1 core dumps quite often for streaming users. Seems to be
too buggy as a default GC.

On Tue, Oct 20, 2015 at 6:30 PM, Stephan Ewen <sewen@apache.org> wrote:
> Looks like a JVM bug.
>
> BTW: We may want to downgrade from G1 as the default GC in streaming mode
> to CMS. In the current Java 8 versions, G1 is still causing core dumps once
> in a while...
>
> Stephan
>
>
> On Tue, Oct 20, 2015 at 6:23 PM, Maximilian Michels <mxm@apache.org> wrote:
>
>> Looks like either a Surefire bug or corrupt memory. Haven't seen this
>> before.
>>
>> On Tue, Oct 20, 2015 at 6:18 PM, Matthias J. Sax <mjsax@apache.org> wrote:
>> > I never saw something like this before... Travis hick up? Can be
>> > ignored? Or severe issues?
>> >
>> > https://travis-ci.org/mjsax/flink/jobs/86431071
>> >
>> > -Matthias
>> >
>> >> #
>> >> # A fatal error has been detected by the Java Runtime Environment:
>> >> #
>> >> SUREFIRE-859: #  SIGSEGV (0xb) at pc=0x00007f8e02dd96b2, pid=21578,
>> tid=140247046248192
>> >> #
>> >> # JRE version: Java(TM) SE Runtime Environment (8.0_31-b13) (build
>> 1.8.0_31-b13)
>> >> # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.31-b07 mixed mode
>> linux-amd64 compressed oops)
>> >> # Problematic frame:
>> >> # C  [libc.so.6+0x7f6b2]
>> >> #
>> >> SUREFIRE-859: # Failed to write core dump. Core dumps have been
>> disabled. To enable core dumping, try "ulimit -c unlimited" before starting
>> Java again
>> >> #
>> >> # An error report file with more information is saved as:
>> >> # /home/travis/build/mjsax/flink/flink-java/hs_err_pid21578.log
>> >> #
>> >> SUREFIRE-859: # If you would like to submit a bug report, please visit:
>> >> #   http://bugreport.java.com/bugreport/crash.jsp
>> >> #
>> >> Aborted (core dumped)
>> >
>> >
>> >
>>

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