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From Simon Gibbs <simon.gi...@cantorva.com>
Subject Re: How can I write a custom appender to supports Throwable as a second parameter?
Date Mon, 28 Sep 2009 19:50:20 GMT
Alexander Spitzer wrote:
> log4j does not appear to append the stack trace onto the event before
> passing it onto my appender.  Here is a quick test I just did:
>     private void init_vars()
>     {
>         forcedLayout=new PatternLayout("%p %c %m");
>         init=true;
>     }
This took me surprise... the clue was that the pattern code was "m" for
message, which didn't seem to cover it.

"The PatternLayout does not handle the throwable contained within
<http://www.docjar.com/docs/api/org/apache/log4j/LoggingEvent.html> .
Thus, it returns |true|."



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