WP crashing with a Signal 11 fault periodically

Document ID : KB000087807
Last Modified Date : 14/04/2018
Show Technical Document Details
Issue:
Error Message :
Signal 11 (SEGV) at 0x53b7000 with code 1
U00003592 UCUDB - Status: '' Native error: '3114' Msg: 'ORA-03114: not connected to ORACLE'
U00003536 UCUDB: FATAL DATA BASE ERROR: Re-connection will be attempted in 10 seconds.

When the Automation Engine is accessing variables on an Oracle platform, it can cause a WP crash which will show as a loss of connection to the DB and a Signal Fault:

20160420/051833.512 - Signal 11 (SEGV) at 0x53b7000 with code 1 
20160420/051833.512 - U00009907 Memory dump 'Parameter List ' (Address='0x7fff7aed84b0', Length='1296') 
20160420/051833.512 - U00009907 Memory dump 'Input Memory' (Address='0x7fecac625010', Length='2760') 
20160420/051833.512 - U00009907 Memory dump 'Local Memory' (Address='0x7feca52e5010', Length='4137496') 

20160420/071348.709 - U00029108 UCUDB: SQL_ERROR Database handles DB-HENV: 18149f0 DB-HDBC: 1c71158 
20160420/071348.709 - U00003591 UCUDB - DB error info: OPC: 'OCIStmtExecute' Return code: 'ERROR' 
20160420/071348.709 - U00003592 UCUDB - Status: '' Native error: '3114' Msg: 'ORA-03114: not connected to ORACLE' 
20160420/071348.709 - U00003536 UCUDB: FATAL DATA BASE ERROR: Re-connection will be attempted in 10 seconds. 
20160420/071348.709 - U00003537 UCUDB - RECONNECT: DB call 'OCITransRollback': Return code: '-1'. 
20160420/071348.709 - U00003590 UCUDB - DB error: 'OCITransRollback', 'ERROR ', '', 'ORA-03114: not connected to ORACLE' 
20160420/071348.709 - U00003592 UCUDB - Status: '' Native error: '3114' Msg: 'ORA-03114: not connected to ORACLE' 
20160420/071348.784 - U00003538 UCUDB: Re-connection to database successful. Processing will continue. 

Cause:
Cause type:
Defect
Root Cause: A problem has been fixed where WPs sometimes crashing at the work with variables. This issue can happen only when oracle database is used and the variable has a row at least 64 KB long.
Resolution:
This field was added on 30/03/2017. This article has not been updated yet. Refer to the "Description" or "Workaround" sections for solution information.

Fix Status: Released

Fix Version(s):
Version 11.2.1 HF1 of Automation Engine
Additional Information:
Workaround :
N/A