Error in FileNamePattern::toRegex for index (Integer)
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Key: LBCORE-221
URL: http://jira.qos.ch/browse/LBCORE-221
Project: logback-core
Issue Type: Bug
Components: Pattern, Rolling
Affects Versions: 0.9.29
Reporter: Dieter Mueller
Assignee: Logback dev list
Priority: Minor
Deletion of old archived logs on rolling failes for index > 99.
We have a process which logs much, which results in more than 99 log files per
day (config below), e.g.
snowball_POLL_MSG_SRV_xdebug-old-2011-09-13.110.log.zip.
On rolling event, only the first 99 were deleted, due to bug in
FileNamePattern::toRegex for index (Integer):
regEx: \d{1,2)
which means digits with max length of 2.
We need at least 3 digits:
regEx: \d{1,3)
better 4? ;-)
Workarounds like increasing file size, or hourly-rollover to hold index lower
than 100 are not very wellcomed.
Thanks in advance,
Dieter Mueller.
config:
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- rollover daily -->
<fileNamePattern>${log.vm.file.prefix}_xdebug-old-%d{yyyy-MM-dd}.%i.log.zip</fileNamePattern>
<maxHistory>1</maxHistory>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>20MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
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