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https://issues.apache.org/jira/browse/LOG4J2-315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Remko Popma updated LOG4J2-315:
-------------------------------
Attachment: log4j2.xml
ResultStats.java
Still struggling with this. Not sure if the problem happens during the
roll-over or during the shutdown. Could it be that making the Async thread a
daemon thread changed the behaviour of thread.join() in the
AsyncAppender.stop() method? Unlikely, but I thought I'd mention it...
In my workspace I have added counters and logging code to AsyncAppender without
being able to pin down what is happening. I must have made too many changes:
now I can't reproduce the problem any more... :-)
Sigh... I'm taking a break from this and I'll take another stab at this
tomorrow.
If anyone is interested, I'm attaching a helper class, ResultStats, and an
updated config file. If you use this config file to run the test program the
log files will not be zipped so it is easier to parse them. ResultStats parses
the resulting log files and reports the number of log events and a breakdown of
the missing events.
(There could be many missing events so you may want to redirect the output to a
file.)
> Multiple threads logging to same AsyncAppender- Data Loss
> ---------------------------------------------------------
>
> Key: LOG4J2-315
> URL: https://issues.apache.org/jira/browse/LOG4J2-315
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Reporter: Sudharma Puranik
> Assignee: Remko Popma
> Priority: Blocker
> Attachments: log4j2.xml, ResultStats.java, TestMultiThread.zip
>
>
> creating multiple threads which logs messages. I could see that for 5 million
> logging messages only 4.7 million messages are logged. Dont know what is the
> reason but this could be something serious for auditing.
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