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From "David Rees" <>
Subject Re: Losing line numbers in stracktraces
Date Wed, 07 Apr 2004 00:36:52 GMT
Hans Verschoor wrote:
> I have a problem reading stacktrace info when Tomcat throws an exception
> caused by a servlet or a class calld by a servlet
> I have my classes compiled into in the ..... WEB-INF/classes directory and
> (so far) I use no war or jar.
> When an exception is thrown the stacktrace does not show line numbers but
> "Unknown source", which is "not so handy".
> The classes are compiled correctly, in other circumstances the line
> numbers DO appear in stacktraces using the same classes.
> I am a relative newbie, so my questions are:
> 1. Do I need to configure the webapploader explicitly ?
> 2. Do I need some switch on de java statement when starting tomcat ?

Make sure you compile your classes with the -g flag to javac.  Otherwise,
line numbers will be optimized out.


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