First, you have to find out if XSLT or FOP is the reason for the problem.
You're talking about recursive template calls which could easily explain
it. I'd run the document outside of the application server and split the
XSLT stage from the FOP stage. Like this you can easily find out where
to start looking. Good hunting!

On 19.05.2006 10:52:27 sumanta.g wrote:
> Hi,
>  We are having an online insurance applications where documents are 
> getting rendered on-the-fly (by applying xsl-fo over xml). In one of our 
> xsls we had to use recursive template calls (e.g. printing employee 
> details). But whenever user tries to render (therby invoking 
> transformation) on large document, the Heap size is reaching to its 
> maximum - the whole system is slowing down (we are running the system on 
> websphere in I-Series box). Our doubt is - fop is going in some kind of 
> wild loop, in case of such big documents, and therby consuming huge 
> memory, affecting the whole system.
> 
> How can we get rid of these - at least doesnot go into an infinite loop, 
> even if it cannot render the document.



Jeremias Maerki


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