Hi Ismael, Do you mean the ticket: https://issues.apache.org/jira/browse/KAFKA-7625. If so, from the description, it seemed even upgrading latest version of JDK 8, there were 3 core dumps. Isn't it?
Kind Regards, Wenxing On Sun, Jan 13, 2019 at 1:14 AM Ismael Juma <ism...@juma.me.uk> wrote: > It's been explained that this is a bug in the JDK and updating to the > latest release of Java 8 fixes it. > > Ismael > > On Thu, Jan 10, 2019 at 6:46 PM Ankur Rana <ankur.r...@getfareye.com> > wrote: > > > But G1GC is the default garbage collection algo used in kafka, it'll > still > > be using G1GC. > > Did you add remove/add other parameters as well? > > Also, which kafka version are you using? > > > > On Fri, Jan 11, 2019 at 2:34 AM wenxing zheng <wenxing.zh...@gmail.com> > > wrote: > > > > > Previously we added G1GC option to the JVM options when starting the > > > Kafka, and now we remove this option and it works fine up to now. > > > > > > On 2019/01/08 07:58:01, Car Devops <cardev...@gmail.com> wrote: > > > > Hi folks :) > > > > > > > > Can you please Wenxing comfirm that removing G1GC really solved the > > > problem. > > > > Unfortunately I faced that issue last night. > > > > > > > > And what do you mean by " remove the G1GC"? How did you do that? > > > > > > > > Thanks! > > > > > > > > > > > > > > > > -----Original Message----- > > > > From: wenxing zheng [mailto:wenxing.zh...@gmail.com] > > > > Sent: 28 grudnia 2018 04:05 > > > > To: Peter Levart <peter.lev...@gmail.com> > > > > Cc: users@kafka.apache.org > > > > Subject: Re: SIGSEGV (0xb) on TransactionCoordinator > > > > > > > > > > > > > > > > Hi Peter, we didn't upgrade the JDK8, but just remove the G1GC. And > now > > > it > > > > seemed stable, but we need to keep monitoring the status to finally > > > confirm. > > > > > > > > > > > > > > > > Kind Regards, Wenxing > > > > > > > > > > > > > > > > On Thu, Dec 27, 2018 at 9:43 PM Peter Levart <peter.lev...@gmail.com > > > > > wrote: > > > > > > > > > > > > > > > > > Here's a report on the Jira with exactly the same crash and the > > > > > > > > > reported was using the same JDK 8u92... > > > > > > > > > > > > > > > > > > https://issues.apache.org/jira/browse/KAFKA-7625 > > > > > > > > > > > > > > > > > > ...the reporter upgraded to latest JDK 8 and it seems to be stable > > > > > > > > > since then. > > > > > > > > > > > > > > > > > > Regards, Peter > > > > > > > > > > > > > > > > > > On 12/27/18 11:29 AM, wenxing zheng wrote: > > > > > > > > > > Thanks to Peter. > > > > > > > > > > > > > > > > > > > > We did a lot of tests today, and found that the issue will happen > > > > > > > > > > after enabling G1GC. If we go with default settings, everything > > looks > > > > fine. > > > > > > > > > > > > > > > > > > > > On Thu, Dec 27, 2018 at 4:49 PM Peter Levart > > > > > > > > > > <peter.lev...@gmail.com> > > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > >> Hi, > > > > > > > > > >> > > > > > > > > > >> It looks like a JVM bug. If I were you, 1st thing I'd do is > > > > > > > > > >> upgrading the JDK to the latest JDK8u192. You're using JDK8u92 > > > > > > > > > >> which is quite old (2+ years)... > > > > > > > > > >> > > > > > > > > > >> Regards, Peter > > > > > > > > > >> > > > > > > > > > >> On 12/27/18 3:53 AM, wenxing zheng wrote: > > > > > > > > > >>> Dear all, > > > > > > > > > >>> > > > > > > > > > >>> We got a coredump with the following info last night, on this > > > > > > > > > >> environment, > > > > > > > > > >>> we enable the > > > > > > > > > >>> transaction. Please kindly advice what would be the problem > here. > > > > > > > > > >>> > > > > > > > > > >>> # > > > > > > > > > >>>> # A fatal error has been detected by the Java Runtime > > Environment: > > > > > > > > > >>>> # > > > > > > > > > >>>> # SIGSEGV (0xb) at pc=0x00007f546a857d0d, pid=13288, > > > > > > > > > >>>> tid=0x00007f53701f9700 > > > > > > > > > >>>> # > > > > > > > > > >>>> # JRE version: Java(TM) SE Runtime Environment (8.0_92-b14) > > > > > > > > > >>>> (build > > > > > > > > > >>>> 1.8.0_92-b14) > > > > > > > > > >>>> # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.92-b14 mixed > > > > > > > > > >>>> mode > > > > > > > > > >>>> linux-amd64 compressed oops) > > > > > > > > > >>>> # Problematic frame: > > > > > > > > > >>>> # J 9563 C1 > > > > > > > > > >> > > > > > > > > > > > *kafka.coordinator.transaction.TransactionCoordinator.$anonfun$handleE > > > > > > > > > > > ndTransaction$7(Lkafka/coordinator/transaction/TransactionCoordinator; > > > > > > > > > > > Ljava/lang/String;JSLorg/apache/kafka/common/requests/TransactionResul > > > > > > > > > > > t;Lkafka/coordinator/transaction/TransactionMetadata;)Lscala/util/Eith > > > > > > > > > er; > > > > > > > > > >>>> (518 bytes) @ 0x00007f546a857d0d [0x00007f546a856b40+0x11cd]* > # > > # > > > > > > > > > >>>> Failed to write core dump. Core dumps have been disabled. To > > > > > > > > > >>>> enable > > > > > > > > > >> core > > > > > > > > > >>>> dumping, try "ulimit -c unlimited" before starting Java again > # > > # > > > > > > > > > >>>> If you would like to submit a bug report, please visit: > > > > > > > > > >>>> # http://bugreport.java.com/bugreport/crash.jsp > > > > > > > > > >>>> # > > > > > > > > > >>>> --------------- T H R E A D --------------- Current thread > > > > > > > > > >>>> (0x00007f547a29e800): JavaThread > > > > > > > > > >> "kafka-request-handler-5" > > > > > > > > > >>>> daemon [_thread_in_Java, id=13722, > > > > > > > > > >>>> stack(0x00007f53700f9000,0x00007f53701fa000)] > > > > > > > > > >>>> siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), > > > si_addr: > > > > > > > > > >>>> 0x00000000dd310c13 > > > > > > > > > >>>> Registers: > > > > > > > > > >>>> RAX=0x0000000000000001, RBX=0x00000006e9072fc8, > > > > > > > > > RCX=0x0000000000000688, > > > > > > > > > >>>> RDX=0x000000075e026fc0 > > > > > > > > > >>>> RSP=0x00007f53701f7f00, RBP=0x00000006e98861f8, > > > > > > > > > RSI=0x00007f53771a4238, > > > > > > > > > >>>> RDI=0x00000006e9886098 > > > > > > > > > >>>> R8 =0x000000000000132d, R9 =0x00000000dd310c13, > > > > > > > > > R10=0x00000007c010bbb0, > > > > > > > > > >>>> R11=0x00000000dd310c13 > > > > > > > > > >>>> R12=0x0000000000000000, R13=0x00000000dd310b3d, > > > > > > > > > R14=0x00000000dd310c0c, > > > > > > > > > >>>> R15=0x00007f547a29e800 > > > > > > > > > >>>> RIP=0x00007f546a857d0d, EFLAGS=0x0000000000010202, > > > > > > > > > >>>> CSGSFS=0x002b000000000033, ERR=0x0000000000000004 > > > > > > > > > >>>> TRAPNO=0x000000000000000e > > > > > > > > > >>> Thanks, > > > > > > > > > >>> > > > > > > > > > >> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > Thanks, > > > > Ankur Rana > > Software Developer > > FarEye > > >
