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Posted to log4j-dev@logging.apache.org by "Matt Sicker (JIRA)" <ji...@apache.org> on 2014/08/07 05:42:13 UTC
[jira] [Resolved] (LOG4J2-768) Custom conversion specifier fails
unpredictably when it should throw an error
[ https://issues.apache.org/jira/browse/LOG4J2-768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matt Sicker resolved LOG4J2-768.
--------------------------------
Resolution: Duplicate
Marking this as a duplicate issue.
> Custom conversion specifier fails unpredictably when it should throw an error
> -----------------------------------------------------------------------------
>
> Key: LOG4J2-768
> URL: https://issues.apache.org/jira/browse/LOG4J2-768
> Project: Log4j 2
> Issue Type: Bug
> Affects Versions: 2.0, 2.0.1
> Reporter: Mikhail Dobrinin
> Priority: Minor
> Attachments: LOG4J2-768.zip
>
>
> Creating a custom {{LogEventPatternConverter}} with an existing plugin name and attempting to use it will *fail unpredictably* about 50% of the time on my machine. At first it appeared to be a race condition, but after more inspection the plugin name turned out to be the same as the existing thread name converter. The plugin manager should probably throw some kind of exception when it is registering a plugin whose name already is registered. I am attaching a zip file which you can easily import as an Eclipse project to reproduce.
> *Succesful Output*:
> {code}
> 2014-08-06 15:10:08,539 ERROR [1] tests.TestLogger (TestLogger.java:27) - running configuration: C:\dev\temp\log4j2-testing\log4j2.xml
> 2014-08-06 15:10:08,540 INFO [1] tests.TestLogger (TestLogger.java:29) - info level
> 2014-08-06 15:10:08,541 ERROR [1] tests.TestLogger (TestLogger.java:30) - error level
> {code}
> *Failure Output*:
> {code}
> 2014-08-06 15:09:54,179 ERROR Unrecognized format specifier [T]
> 2014-08-06 15:09:54,179 ERROR Unrecognized conversion specifier [T] starting at position 11 in conversion pattern.
> 2014-08-06 15:09:54,195 ERROR [%T] tests.TestLogger (TestLogger.java:27) - running configuration: C:\dev\temp\log4j2-testing\log4j2.xml
> 2014-08-06 15:09:54,196 INFO [%T] tests.TestLogger (TestLogger.java:29) - info level
> 2014-08-06 15:09:54,196 ERROR [%T] tests.TestLogger (TestLogger.java:30) - error level
> {code}
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