I agreed with the second possibility, but wouldn’t it cause segfault if the
object has been deleted but the method is still invoked?

On Tue, Mar 3, 2020 at 01:16 Ning Wang <[email protected]> wrote:

> Looks like the exception is caused by pure virtual function calling.
>
> Both exceptions are from BaseClient. It seems like the Client object
> doesn't have the virtual functions implemented, which is not expected.
>
> Another possibility is that the client object has been deleted hence the
> vtable is not valid any more. This could be something you can check given
> the last log shows "Stmgr stmgr-12 closed connection".
>
>
> On Mon, Mar 2, 2020 at 12:20 PM Huijun Wu <[email protected]>
> wrote:
>
>> Hi,
>>
>> We observed the Stmgr coredump, see the below logs. Anybody has any idea
>> on
>> this? Thanks.
>>
>> Best,
>> Huijun
>>
>> ------------
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout: pure virtual method
>> called
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout: terminate called
>> without an active exception
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout: *** Aborted at
>> 1582847383 (unix time) try "date -d @1582847383" if you are using GNU date
>> ***
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout: PC: @
>> 0x7f5bc42da277 __GI_raise
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout: *** SIGABRT
>> (@0xbcb0000b338) received by PID 45880 (TID 0x7f5bc54c1780) from PID
>> 45880;
>> stack trace: ***
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc50a76d0 (unknown)
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc42da277 __GI_raise
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc42db968 __GI_abort
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc48e77d5 __gnu_cxx::__verbose_terminate_handler()
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc48e5746 (unknown)
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc48e5773 std::terminate()
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc48e62df __cxa_pure_virtual
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4dfe1d BaseClient::OnConnect()
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4de404 EventLoopImpl::handleWriteCallback()
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4f0a9f event_process_active_single_queue
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4f115f event_base_loop
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x40c81f main
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7f5bc42c6445 __libc_start_main
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x41257c (unknown)
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:     @
>>  0x0 (unknown)
>> [2020-02-27 23:49:43 +0000] [INFO]: stmgr-233 stdout:
>> ------------
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout: pure virtual method
>> called
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout: terminate called
>> without an active exception
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout: *** Aborted at
>> 1582837876 (unix time) try "date -d @1582837876" if you are using GNU date
>> ***
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout: PC: @
>> 0x7fe9d8935277 __GI_raise
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout: *** SIGABRT
>> (@0xbcb0005176a) received by PID 333674 (TID 0x7fe9d9b1c780) from PID
>> 333674; stack trace: ***
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d97026d0 (unknown)
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d8935277 __GI_raise
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d8936968 __GI_abort
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d8f427d5 __gnu_cxx::__verbose_terminate_handler()
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d8f40746 (unknown)
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d8f40773 std::terminate()
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d8f412df __cxa_pure_virtual
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4df98a BaseClient::Start_Base()
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x443dfa heron::stmgr::StMgrClient::OnReConnectTimer()
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4df6ed
>>
>> _ZNSt17_Function_handlerIFvN9EventLoop6StatusEEZN10BaseClient13AddTimer_BaseESt8functionIFvvEElEUlS1_E_E9_M_invokeERKSt9_Any_dataS1_
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4ded81 EventLoopImpl::handleTimerCallback()
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4dc840 EventLoopImpl::eventLoopImplTimerCallback()
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4f0a9f event_process_active_single_queue
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x4f115f event_base_loop
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x40c81f main
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x7fe9d8921445 __libc_start_main
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>> 0x41257c (unknown)
>> [2020-02-27 21:11:16 +0000] [INFO]: stmgr-233 stdout:     @
>>  0x0 (unknown)
>> [2020-02-27 21:11:17 +0000] [INFO]: stmgr-233 stdout:
>> --------------------
>> I0227 21:11:16.813194 333674 stmgr-client.cpp:139] Will try to reconnect
>> again after 1 seconds
>> E0227 21:11:16.813606 333674 baseconnection.cpp:142] BufferEvent reported
>> error on connection 0x2d2b720
>> I0227 21:11:16.813617 333674 stmgr-client.cpp:133] Stmgr stmgr-154 running
>> at xxxxxxx:31831 closed connection with code Write error
>> I0227 21:11:16.813670 333674 stmgr-client.cpp:139] Will try to reconnect
>> again after 1 seconds
>> E0227 21:11:16.814357 333674 baseconnection.cpp:142] BufferEvent reported
>> error on connection 0x2d3aa00
>> I0227 21:11:16.814375 333674 stmgr-server.cpp:111] StMgrServer Got
>> connection close of 0x2d3aa00 from yyyyyyyy:35270
>> I0227 21:11:16.814378 333674 stmgr-server.cpp:121] Stmgr stmgr-86 closed
>> connection
>> E0227 21:11:16.814669 333674 baseconnection.cpp:142] BufferEvent reported
>> error on connection 0x2d3a220
>> I0227 21:11:16.814683 333674 stmgr-server.cpp:111] StMgrServer Got
>> connection close of 0x2d3a220 from yyyyyyyy:33974
>> I0227 21:11:16.814685 333674 stmgr-server.cpp:121] Stmgr stmgr-154 closed
>> connection
>> E0227 21:11:16.816232 333674 baseconnection.cpp:142] BufferEvent reported
>> error on connection 0x56ab800
>> I0227 21:11:16.816256 333674 stmgr-client.cpp:133] Stmgr stmgr-221 running
>> at xxxxxxx:31294 closed connection with code Write error
>> I0227 21:11:16.816263 333674 stmgr-client.cpp:139] Will try to reconnect
>> again after 1 seconds
>> E0227 21:11:16.817833 333674 baseconnection.cpp:142] BufferEvent reported
>> error on connection 0x2d295e0
>> I0227 21:11:16.817849 333674 stmgr-client.cpp:133] Stmgr stmgr-12 running
>> at xxxxxxx:31846 closed connection with code Write error
>> I0227 21:11:16.817853 333674 stmgr-client.cpp:139] Will try to reconnect
>> again after 1 seconds
>> E0227 21:11:16.820160 333674 baseconnection.cpp:142] BufferEvent reported
>> error on connection 0x2d39500
>> I0227 21:11:16.820192 333674 stmgr-server.cpp:111] StMgrServer Got
>> connection close of 0x2d39500 from yyyyyyyy:41220
>> I0227 21:11:16.820196 333674 stmgr-server.cpp:121] Stmgr stmgr-12 closed
>> connection
>>
> --
Thanks
Xiaoyao

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