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 <se...@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 <m...@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 <mj...@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) >> > >> > >> > >>
