Sounds like a bug in your stylesheet where you're going into a loop or
something of that sort. I'd suggest using Xalan's trace capabilities (if
you're using the command-line Process class, see the -tt, -ttc, -ts and
-tg options; if you're using the API, register a TraceListener) to see
whether it's really stopping and what it's doing at the time. The
<xsl:message> directive can also be used to display information as the
stylesheet progresses, of course.
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Joe Kesselman / IBM Research
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list