SAP Knowledge Base Article - Preview

2502710 - Server crashes with empty stack trace files -- SAP IQ

Symptom

Server crashes with empty stack trace files.

$ ls -l stktrc*
-rw-r--r-- 1 sybase sybase 0 Jun 25 21:31 stktrc-20170626-003125_1.iq
-rw-r--r-- 1 sybase sybase 0 Jun 26 07:09 stktrc-20170626-100941_1.iq

iqmsg shows that some user was disconnected when stack trace occured. After long timegap there is a cancellation request.

I. 06/26 00:31:25. 0000059566 Disconnect:  SA connHandle: 3493  SA connID: 24  IQ connID: 0000059566  User: delp_uat_dealogic
I. 06/26 00:31:26. 0000059671 Txn 116618206 0 116618206
I. 06/26 03:01:08. 0000000000 Cancellation request received:  SA connHandle: 2509  SA connID: 25  IQ connID: 0000057672  User: u_p2ibdapp

I. 06/26 10:09:41. 0000000538 Disconnect:  SA connHandle: 61  SA connID: 32  IQ connID: 0000000538  User: delp_uat_dealogic
I. 06/26 10:11:00. 0000000022 Txn 116620883 0 116620883
I. 06/26 21:58:26. 0000000000 Cancellation request received:  SA connHandle: 30  SA connID: 31  IQ connID: 0000000169  User: u_p2ibdapp

.stderr consist of following message

**************************************************
***   Sybase IQ Abort:
***      From:  st_connection.cxx:776
***      PID: 24545
***      Exception Location: 0x0x7ffcd74f5790
***      Error ID: 533,  Exception Type: hos_assertexception
***      Thread: 3612313344  (TID: 4, Original TID: 4)
***      Error #: 3,  O/S Error #: 0
**************************************************
   **  While handling one abort, caught signal 11, program abort on thread 3612313344 (TID 4)


Read more...

Environment

SAP IQ 16.0

Product

SAP IQ 16.0

Keywords

empty stacktrace , st_connection.cxx:776 , KBA , BC-SYB-IQ , Sybase IQ , Problem

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.