hmmmm, all other things remaining the same, I put jna.jar into classpath, now it successfully completed a compaction without problems
On Wed, Sep 7, 2011 at 10:06 PM, Yang <teddyyyy...@gmail.com> wrote: > thanks Jonathan. > > I tried openJdk too, same , filed bug to both Oracle and openJdk > > > tried -XX:-UseCompressedOops , same SEGV > > Oracle bug site asks "does it appear with -server and -Xint", I tried > these options, so far no SEGV yet, maybe slower, but haven't measured > exactly > > > > On Wed, Sep 7, 2011 at 8:56 PM, Jonathan Ellis <jbel...@gmail.com> wrote: >> You should report a bug to Oracle. >> >> In the meantime you could try turning off compressed oops -- that's >> been a source of a lot of GC bugs in the past. >> >> On Wed, Sep 7, 2011 at 8:22 PM, Yang <teddyyyy...@gmail.com> wrote: >>> some info in the debug file that JVM exported: >>> >>> # >>> # A fatal error has been detected by the Java Runtime Environment: >>> # >>> # SIGSEGV (0xb) at pc=0x00002aaaab37cbfa, pid=7236, tid=1179806016 >>> # >>> # JRE version: 6.0_27-b07 >>> # Java VM: Java HotSpot(TM) 64-Bit Server VM (20.2-b06 mixed mode >>> linux-amd64 compressed oops) >>> # Problematic frame: >>> # J >>> com.cgm.whisky.filter.WithinLimitIpFrequencyCap.isValid(Lorg/apache/avro/specific/SpecificRecord;)Lcom/cgm/whisky/EventsFilter$ValidityCode; >>> # >>> # If you would like to submit a bug report, please visit: >>> # http://java.sun.com/webapps/bugreport/crash.jsp >>> # >>> >>> --------------- T H R E A D --------------- >>> >>> Current thread (0x00002aaab80e2800): JavaThread "pool-3-thread-8" >>> [_thread_in_Java, id=7669, >>> stack(0x0000000046426000,0x0000000046527000)] >>> >>> siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), >>> si_addr=0x00002aaabc000000 >>> >>> Registers: >>> RAX=0x00000007914355e8, RBX=0x000000000000058a, >>> RCX=0x0000000791461b38, RDX=0x0000000000000000 >>> RSP=0x00000000465259f0, RBP=0x00000000f222b894, >>> RSI=0x0000000791433f20, RDI=0x00002aaaab37ca60 >>> R8 =0x00000000d0931f61, R9 =0x00000000f2286ab2, >>> R10=0x0000000000000000, R11=0x00002aaabc000000 >>> R12=0x0000000000000000, R13=0x00000000465259f0, >>> R14=0x0000000000000002, R15=0x00002aaab80e2800 >>> RIP=0x00002aaaab37cbfa, EFLAGS=0x0000000000010202, >>> CSGSFS=0x0100000000000033, ERR=0x0000000000000004 >>> TRAPNO=0x000000000000000e >>> >>> Top of Stack: (sp=0x00000000465259f0) >>> 0x00000000465259f0: 000000068a828dc8 0000000791433f20 >>> 0x0000000046525a00: 000000079145ee60 000005890000058a >>> >>> >>> On Wed, Sep 7, 2011 at 6:21 PM, Yang <teddyyyy...@gmail.com> wrote: >>>> I started compaction using nodetool, >>>> then always reproducibly, I get a SEGV in a code that I added to the >>>> Cassandra code, which simply calls get_slice(). >>>> >>>> have you seen SEGV associated with compaction? anyone could suggest a >>>> route on how to debug this? >>>> >>>> I filed a bug on sun website, right now the only possible approach I >>>> can try is to use another JDK >>>> >>>> >>>> Thanks >>>> Yang >>>> >>> >> >> >> >> -- >> Jonathan Ellis >> Project Chair, Apache Cassandra >> co-founder of DataStax, the source for professional Cassandra support >> http://www.datastax.com >> >