[jira] [Created] (LOG4NET-437) LogicalThreadContext data does not flow properly using Async and Await

["Mike Barry (JIRA)" <ji...@apache.org>]

Mike Barry created LOG4NET-437:
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             Summary: 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: 1.2.13, 1.2.12, 1.2.11, 1.2.10, 1.2.9
         Environment: Windows 7, .NET 4.5
            Reporter: Mike Barry


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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