SAP Knowledge Base Article - Preview

2607255 - IQ server goes to a Deadlock If hos_ABORT is Recursively Called by the Same Thread -- SAP IQ16.0

Symptom

IQ server encountered unresponsive ( or, hang ) status  and any following connections failed to connect to server.

  • Stack =>

 Thread 1522 (Thread 0x7fc0935da700 (LWP 20397)):
   .. __lll_lock_wait  ...
   .. _L_lock_791  ...
   .. pthread_mutex_lock  ...
   .. abort_handle_secondary(char const*)  ...
   .. hos_ABORT(char const*,   ...
   .. SigHndlr  ...
   ..  <signal handler called>
   .. hos_strncat(char*,  ...
   .. ucstkgenPrintheading(int, int)  ...
   .. DumpAllThreads(char const*,  ...
   .. hos_ABORT(char const*,  ...
   .. Throw(hos_exception const&)  ...
   .. hos_assertexception::ThrowException(char const*,  ...
   .. st_ErrorQueue::~st_ErrorQueue()  ...


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Environment

  • SAP IQ 16.0 SP11.x
  • SAP IQ 16.1

Product

SAP IQ 16.0

Keywords

"server hang" ; "hos_ABORT" ; "abort_handle_secondary" ; "No answer" ; CR812970 ; CR#812970; 812970 ; stacktrace ; stktrc ; CR813710 ; CR#813710; 813710 ; , KBA , BC-SYB-IQ , Sybase IQ , Problem

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