The point, I think, is that JSP engines _should_ detect include file changes
and recompile, but that the JSP 1.0 spec itself doesn't mandate the behavior.
Resin, for example, does recompile the JSP when include files change. I'm
sure the other implementations do as well, though I haven't tested them.
The flexibility is actually a good thing because an implementation may want to
check file modifications every 5 seconds or every 5 minutes to avoid system
calls. If the spec required recompilation, implementations would either need
to violate the spec or lose performance.
Scott Ferguson
Caucho Technology
James Cooper wrote:
> hi,
>
> I'm perplxed by this section of the JSP 1.0 spec: 2.8.3 second paragraph:
>
> "A JSP engine can include a mechanism for being notified if an included
> file changes, so the engine can recompile the JSP page. However, JSP 1.0
> does not have a way of directing the JSP engine that included files have
> changed."
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