Christopher Schultz wrote:
Sam,
On 2/19/2009 6:23 PM, Sam Hokin wrote:
The problem, which spontaneously appeared a few days before Christmas on
this one server, is that the initial request of a JSP or servlet takes
AGES to respond, usually exceeding several minutes.
Good... then you'll have plenty of time to /take a thread dump/ while
it's spinning its wheels.
Well, I have used a number of diagnostics, like jconsole, jstat and jhat, but haven't been able to glean anything
informative from them about my issue. I've run the -Xloggc JVM option, and watched it garbage collect, again not
informing me of anything. Yes, if I could figure out what the JVM is actually DOING doing the long wait, I'd hopefully
be able to deal with it, but I honestly haven't been able to figure out how to do that. What do you suggest?
I'll cast my hat into the ring: I suspect you're loading a resource that
wants to looking an external resource (like an XML file with a remote
DTD/Schema and validation is on in the parser) and the DNS is tripping
you up.
No, there are no external references in my Java package. It's all just local
class files.
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