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https://issues.apache.org/jira/browse/LOG4NET-550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849807#comment-15849807
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ASF GitHub Bot commented on LOG4NET-550:
----------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/log4net/pull/41
> Logging recursively from an Appender not supported for NET_4_0 and MONO_4_0
> ---------------------------------------------------------------------------
>
> Key: LOG4NET-550
> URL: https://issues.apache.org/jira/browse/LOG4NET-550
> Project: Log4net
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.7
> Reporter: Joe
> Priority: Minor
>
> When NET_4_0 or MONO_4_0 is defined, log4net uses a ReaderWriterLockSlim with
> LockRecursionPolicy.NoRecursion. As a result, any attempt to log recursively
> from within an Appender fail: a System.Threading.LockRecursionException is
> thrown and swallowed by the log4net Core.
> Other versions use a ReaderWriterLock and allow recursion.
> The following branch adds a unit test that shows this inconsistent behaviour.
> The test fails for NET_4_0 or MONO_4_0 and passes for other versions:
> https://github.com/JJoe2/log4net/tree/RecursiveLogging
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