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https://issues.apache.org/jira/browse/LOG4NET-437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Barry updated LOG4NET-437:
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Attachment: ThreadContextStacks.diff
Part 1 of a naive patch to solve the issue.
> LogicalThreadContext data does not flow properly using Async and Await
> ----------------------------------------------------------------------
>
> Key: LOG4NET-437
> URL: https://issues.apache.org/jira/browse/LOG4NET-437
> Project: Log4net
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.2.9, 1.2.10, 1.2.11, 1.2.12, 1.2.13
> Environment: Windows 7, .NET 4.5
> Reporter: Mike Barry
> Attachments: LogicalThreadContext.diff, Program.cs,
> ThreadContextStacks.diff
>
>
> LogicalThreadContext doesn't work properly when using Async and Await. The
> current NDC call stack gets corrupted because the logical data context is not
> immutable. (See:
> http://blog.stephencleary.com/2013/04/implicit-async-context-asynclocal.html
> for the gory details). I've attached a Program.cs that demonstrates the
> issue. You will see with an unpatched log4net the thread context is corrupted
> compared to the proper implementation in MyStack and the console logger. An
> entry like:
> LOG4NET Main 1 A 2 A: </MoreWork>
> LOG4NET Main 1 A 2 A: </MoreWork>
> is invalid and should not be possible in a properly working thread context.
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