This is called thread hi-jacking :-)
However, without knowing anything about your jdo implementation I can't say if
org.jpox.PersistenceManagerFactoryImpl.getPersistenceManager(PersistenceManagerFactoryImpl.java:645)
- waiting to lock 0x5b775de0 (a
and
TP-Processor17 daemon prio=1
Hi Leon,
Thanks for your tip about the NPTL threads. I tried upgrading to linux
2.6.8 and glibc 2.3.5, but the problem remains :(
I've studied a number of stack traces and the locking seems fine - there
is evidence of cyclical deadlock. The problem is that a whole lot of
threads (including
I've studied a number of stack traces and the locking seems fine - there
is evidence of cyclical deadlock. The problem is that a whole lot of
threads (including the ones holding the locks) are listed as 'waiting
for monitor' but I can't see why.
I found out that it was the garbage
Update:
between the memory leakage started approx. at 20:15 and reached the
end of the bottle at 21:10 with 40 Mb free memory. At this time the
server started to loose users. Until 21:45 it droped about 1000 users
leaving 21 on the server, before it got restarted at 21:50 as I stated
in the
Hi Leon,
Recently I've noticed similar deadlocks on my tomcat server. In my case,
the server just hangs with no warning even though there is plenty of
memory available. I tried the following to locate the problem, but it
has all been in vain:
* upgrade jdk from 1.5.0.1 to 1.5.0.6
*
Hi,
I analyzed my thread dump and log files from yesterdays's crash a bit.
Here the flow of events:
First probably the deadlock occured. The following entry in logfiles
is an indication for it:
Mar 14, 2006 8:53:03 PM org.apache.tomcat.util.threads.ThreadPool logFull
SEVERE: All threads (750)
From: Leon Rosenberg [mailto:[EMAIL PROTECTED]
Subject: Deadlock - Out of Threads - Strange Exception -
OutOfMemory - Server Death.
I can't find a locked 0x61655498 entry nowhere.
But I should be able to see it to recognize the thread causing the
deadlock, shouldn't I?
I would think so.
On 3/15/06, Caldarale, Charles R [EMAIL PROTECTED] wrote:
From: Leon Rosenberg [mailto:[EMAIL PROTECTED]
Subject: Deadlock - Out of Threads - Strange Exception -
OutOfMemory - Server Death.
I can't find a locked 0x61655498 entry nowhere.
But I should be able to see it to recognize the