SAP Knowledge Base Article - Preview

2652468 - Produced double ABORT issue and caused server crash -- SAP IQ

Symptom

  • The issue is a double ABORT crash. 
  • a throw safeness issue when canceling a query. 
  • Multiple errors were reported during Ctrl-C processing.
  • Prior to IQ16.0 SP11.17, this double abort resulted in deadlocked.

  Stack dumps in higher SP11.17, below thread showed double abort symbol.

    ---- Thread 1522 (Thread 0x7f6e9cde6700 (LWP 11175)) ----
      ...
#2 0x00007f717b017c08 in pthread_mutex_lock
#3 0x00007f6e97fdba28 in hos_ABORT
#4 0x00007f6e98da4e9f in SigHndlr
#5 <signal handler called>
#6 0x00007f6e9822b859 in hos_strncat
#7 0x00007f6e98261abb in ucstkgenPrintheading
#8 0x00007f6e98262202 in DumpAllThreads
#9 0x00007f6e97fdc5ad in hos_ABORT
#10 0x00007f6e98243171 in Throw
#11 0x00007f6e981a987a in hos_assertexception::ThrowException
#12 0x00007f6e98da996b in st_ErrorQueue::~st_ErrorQueue
#13 0x00007f4b59f944ca in st_SAIQInterface::~st_SAIQInterface()
#14 0x00007f4b5b28ed7a in st_connection::~st_connection()
#15 0x00007f4b5a002034 in st_iqctl::DestroyConnection(UIConnection*, st_connection*)
#16 0x00007f4b58cd4ff9 in UIQCtl_DestroyConnection
#17 0x00007f4b59f94166 in st_SAIQInterfaceInfo::callFunction()
#18 0x00007f4b5a002952 in st_SAIQInterface::RunIQFunc(st_SAIQInterfaceInfo*)
#19 0x00007f4b59f94e53 in st_SAIQInterface::Execute(int, void*, unsigned int
#20 0x00007f4b5945dcff in saint_iqthresholdctl::DestroyConnection(IConnection*)
#21 0x00007f5087509d66 in Connection::~Connection()
#22 0x00007f717b8c8a18 in Connection::close
#23 0x00007f717b8ef1ee in db__disconnect
      ...


Read more...

Environment

SAP IQ 16.0 SP11.x

Product

SAP IQ 16.0

Keywords

CR813710, CR#813710, 813710, stacktrace, stktrc, stack trace, hos_abort, double abort, , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.