Simon Clark created LOG4NET-486:
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Summary: Rolling File Appender with 'maxSizeRollBackups' and
'datePattern' does not detect existing logs initially
Key: LOG4NET-486
URL: https://issues.apache.org/jira/browse/LOG4NET-486
Project: Log4net
Issue Type: Bug
Components: Appenders
Affects Versions: 1.2.13
Environment: Windows 8, Visual Studio 2013
Reporter: Simon Clark
Rolling file appender with 'maxSizeRollBackups' set to a positive number tries
to initialise by looking at existing log files to continue the rolling sequence
and set 'm_curSizeRollBackups' to its correct value but the base filename
format is wrong.
In method GetWildcardPatternForFile with m_preserveLogFileNameExtension true it
should construct a wildcard pattern but the 'baseFileName' is not enough to
fully identify the log file when 'datePattern' is also specified.
For example: -
With log files such as: -
MyLogFile_2015-10-27.1.log
MyLogFile_2015-10-27.2.log
the pattern created is 'MyLogFile.*.log'
The date pattern is missing and as a result no log files are found and
historical log files get overwritten rather than rolled over.
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