On Nov 16, 2007, at 3:06 AM, Simon McLean wrote:
Hi All -
We have a deadlock problem with an app. Typically in such
situations I follow Andrew Lindesay's excellent tutorial on using
JDB to grab a thread dump off a hung instance and start digging
from there. However, with this particular deadlock JDB doesn't work
- i type "jdb -attach 8121" and then .... nothing. It just sits
there. If i then kill off the instance in another terminal the jdb
terminal springs into life saying the JVM has vanished.
I've checked I can connect to it and get a thread dump when the app
is running happily so it must be the deadlock that is causing the
problem.
Any ideas what is going wrong with JDB ? Or any advice on another
way of tracking down the deadlock ?
This is how I get thread dumps:
http://www.global-village.net/gvc.webobjects/
faq&mode=single&recordID=41413
Chuck
--
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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