Problem using AsyncAppender with FallbackErrorHandler

[Srivastava, Satguru]

Title: Message

I am having problem using AsyncAppender with the FallbackErrorHandler.

 

I have
a) a AsyncAppender attached to the root logger.
b) a JMSAppender attached to the AsyncAppender.
c) a FallbackErrorHandler attached to the JMSAppender. The FallbackErrorHandler specifies the root as a logger (using root-ref tag) and a FileAppender as the fallback appender (using appender-ref tag).

 

Now when an error occurs, the the FallbackErrorHandler tries to replace the JMSAppender with the FileAppender in the root logger! (rather than in the AsyncAppender).
Unfortunately this does not help, as the root logger keeps sending messages to the AsyncAppender which then forwards them to the failing JMSAppender.

 

Is this a bug or am I doing something wrong?

 

If this is a bug then ,I think, the FallbackErrorHandler should be modified to check each of the loggers, specified to it , to see if any of them have a AsyncAppender attached.
If it finds one then it should try to switch the primary and backup appender in that AsyncAppender rather than in the logger.

 

I got around my issue by modifying the FallbackErrorHandler to do just that.
Could somebody look at the new code and let me know if this was really required and if yes then if the changes I made are appropriate
Attached is the new code.

 

I added a new method called "private void removeFromAsync(Logger l)" and modified the
"public void error(String message, Exception e, int errorCode, LoggingEvent event)" to call this new method for each logger.

 

Thanks fro any help.
Sat

 

 

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