Hans Bergsten wrote:
Tim Moore wrote:This bug seems to be submitted several times a week. Maybe an FAQ would be in order? (or FOB -- frequently opened bugs haha) Then again, if people don't search the bug database before submitting a new one, then I guess they can't be expected to read the FAQ. And on the other hand, if the spec confuses this many people, maybe that should be fed back to the spec authors. Just adding a "reset" method to Tag that is called before each invocation might help people understand the difference between that and release.I'm in the EG and we had a long discussion about this again for JSP 2.0. The end result is that the current behavior (do _not_ call release() between invocations) will stay. A confusing arrow from the "released" state to the "initialized" state in the state diagram will be removed, however. This state transition came with lots and lots of restrictions, but it seems like some vendor (and developers) saw it as a requirement to call release() between invocations, even though the text clearly state that that's not the case. This is being discussed pretty much everywhere these days and I hope people eventually will get it. I wrote about it in an article just after JSP 1.2 was released. Feel free to point people to it if you get tired of rehashing the same arguments over and over ;-) <http://www.onjava.com/pub/a/onjava/2001/11/07/jsp12.html> Page 2, the "Tag handler life cycle and instance reuse" section
If I understand the section Hans directs to correctly, re-use of a pooled tag is only allowed if the tags have the same set of attributes:
"A tag handler instance can only be reused for an occurrence with the same set of attributes."
Where in the specification (JSP 1.2) is this specified? Is it derived from section 10.3?, or is it mentioned explicitly somewhere else?
Is this the way the Jasper tag pooling is implemented?
Hans
Br - Johan
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