11.1.1.9 Web Cache Crashes with Core Dump pointing to /lib64/libc.so.6 Library (Doc ID 2186253.1)

Last updated on OCTOBER 06, 2016

Applies to:

Web Cache - Version 11.1.1.9.0 and later
Information in this document applies to any platform.

Symptoms

11.1.1.9 Web Cache crashes with core dumps intermittently and is then automatically restarted by opmn

 The opmn.log file will have the below entry

[2016-09-22T11:16:17+03:00] [opmn] [WARNING:1] [660] [pm-process] Process Crashed: webcache1~WebCache~WebCache~1 (1445531619:19613) - Restarting
[2016-09-22T11:16:17+03:00] [opmn] [NOTIFICATION:1] [662] [pm-process] Starting Process: webcache1~WebCache~WebCache~1 (1445531620:0)
[2016-09-22T11:16:17+03:00] [opmn] [NOTIFICATION:1] [665] [pm-process] Process Alive: webcache1~WebCache~WebCache~1 (1445531620:19651)
[2016-09-22T11:16:17+03:00] [opmn] [TRACE:32] [] [pm-monitor] Proc 1445531620:19651 Start->Alive

The stack trace obtained from the core has the below details

Core was generated by `/u01/oracle/Oracle/Middleware/Oracle_WT1/webcache/bin/webcached -OPMN -U 144553'.
Program terminated with signal 6, Aborted.
#0 0x0000003fd0832625 in raise () from /lib64/libc.so.6
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.149.el6_6.9.x86_64 libaio-0.3.107-10.el6.x86_64
(gdb) bt
#0 0x0000003fd0832625 in raise () from /lib64/libc.so.6
#1 0x0000003fd0833d8d in abort () from /lib64/libc.so.6
#2 0x00000000004198ff in wxdgasrt ()
#3 0x00000000006fc710 in PPC_RespFindUrl ()
#4 0x00000000006fb4b2 in PPC_Parse ()
#5 0x000000000064d987 in wxbeLinkBLToInsertedDoc ()
#6 0x000000000064d70d in wxbeStateLinkBL ()
#7 0x000000000064c5ea in wxbeStateMachineFiber ()
#8 0x000000000041fec6 in Async_KeepGoing ()
#9 0x0000000000418fb3 in Main_ServiceThread ()
#10 0x000000000063abdd in wxtdThread_Main ()
#11 0x0000003fd0c079d1 in start_thread () from /lib64/libpthread.so.0
#12 0x0000003fd08e88fd in clone () from /lib64/libc.so.6
(gdb) thread apply all where

 

Cause

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