Gregory Babski created LOG4NET-447:
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Summary: MemoryAppender class is not thread safe
Key: LOG4NET-447
URL: https://issues.apache.org/jira/browse/LOG4NET-447
Project: Log4net
Issue Type: Bug
Components: Appenders
Affects Versions: 1.2.13
Environment: .NET Framework 4.0 (Full Profile)
Reporter: Gregory Babski
Priority: Minor
The memory appender cannot be used safely in an application that uses more than
one thread to interact with logging.
When using this code to retrieve and then clear events logged in the memory
appender:
var events = memoryAppender.GetEvents();
memoryAppender.Clear();
The executing thread may be preempted between these two calls and additional
logging events logged. These events are then cleared when the thread resumes
execution - and are never seen/processed.
I expect to be be able to retrieve and clear the list of current events in one
call that guarantees that no events are ever lost.
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