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find out if a Thread is blocked / blocking monitor
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Skripi Mayer
Greenhorn
Joined: Jun 15, 2004
Posts: 10
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Hi,
I'm writing my own Monitor und I'm now implementing JUnit Tests.
Is there any method I can do a test to find out, if a Thread is blocked ?
I found Thread.isAlive(), but it just states the Thread has been started and it is not dead (yet).
I have found 'static java.lang.Thread.holdsLock(Object obj)' but his is just
for the current running Thread...
Is there a way to get some debugging information out of the jvm, to tell me,
which Thread is blocked (where, on what, etc) ?
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Joe Ess
Bartender
Joined: Oct 29, 2001
Posts: 8262
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Take a look at the monitoring and management API.
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"blabbing like a narcissistic fool with a superiority complex" ~ N.A.
[How To Ask Questions On JavaRanch]
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Stan James
(instanceof Sidekick)
Ranch Hand
Joined: Jan 29, 2003
Posts: 8791
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This Java Specialists Newsletter is about automatic detection of deadlocks. The newsletter explores some pretty deep Java stuff some times.
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A good question is never answered. It is not a bolt to be tightened into place but a seed to be planted and to bear more seed toward the hope of greening the landscape of the idea. John Ciardi
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subject: find out if a Thread is blocked / blocking monitor
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