David Wayne Birdsall created TRAFODION-2967:
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Summary: UPDATE STATISTICS sometimes cores in
CommonLogger::buildMsgBuffer
Key: TRAFODION-2967
URL: https://issues.apache.org/jira/browse/TRAFODION-2967
Project: Apache Trafodion
Issue Type: Bug
Components: sql-cmp
Affects Versions: 2.3
Reporter: David Wayne Birdsall
Assignee: David Wayne Birdsall
Jira TRAFODION-2927 refactored the UPDATE STATISTICS logging logic to use the
CommonLogger class. Unfortunately, this introduced a problem that sometimes
causes cores in CommonLogger::buildMsgBuffer. The UPDATE STATISTICS code passes
raw data via a "template" parameter to the logging layers. The logging layers
interpret this template like a printf template. So, if the data happens to have
a substring such as %d or %n in it, the logger code expects an additional
argument to supply a substitution value for it. But none is supplied so we
abend.
A workaround is to turn automatic logging off, e.g. by setting CQD
USTAT_AUTOMATIC_LOGGING 'OFF' in the "_MD_".DEFAULTS table.
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