Title: Problem writing a BetwixtTransformer
hi keith,
 
which exceptions did you catch? AFAIK NullPointerException and RuntimeException are unchecked exceptions, so they most probably inhreit from Throwable not from Exception. please make sure that you are catching those Throwables (for debugging purposes).
 
other ways, well... I saw that you already have debug log statements; you can decorate the other methods (maybe even at multiple places; kind of checkpoints) with debug log statements. then after the exception(s) are thrown you should be able to estimate from the logs where approximately the exception is thrown in your code.
 
but a better alternative maybe to just try to debug the transformer via jdb or your favourite IDE debugger; start tomcat (I assume tomcat as your servlet container) in debug/jpda mode, attach to that debug session with your debugger, set breakpoints in your transformer source (maybe do this as first step) and then trigger a transformation so your transformer gets called (setup details etc. may vary). then you should be able to quickly find the bug.
-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]Im Auftrag von Lyall, Keith
Gesendet: Mittwoch, 12. März 2003 18:24
An: '[EMAIL PROTECTED]'
Betreff: RE: Problem writing a BetwixtTransformer

Hi Marco,
 
I tried putting try / catch blocks round all of the code in the methods I have overridden but no exceptions were caught.
 
Do you suggest any other ways to debug a transformer?
 
Keith.
 

Reply via email to