I'm just speaking out loud here, but isn't that the objective of JMS - to
do asynchronous message processing. I don't know if the speed matters in
asynchronous processing. Ofcourse you don't want the response to take ages.
OutOfMemory errors sometimes show up when the java vm runs low on memory.
What is your CPU utilization when you are getting the OutOfMemory errors?
Could you take a thread dump to see if there are any CPU burning threads or
any threads waiting on a resource?
Just my 2 cents
Thanks
RS
Jochen <[EMAIL PROTECTED]>
Sent by: To: [EMAIL PROTECTED]
[EMAIL PROTECTED] cc:
ceforge.net Subject: [JBoss-user]
[Messaging, JMS & JBossMQ] -
OutOfMemoryError
02/26/2004 09:30 AM
Please respond to
jboss-user
Hi!
We have a problem with the following scenario: when the client has sent a
message to the server, he gets a message in response. We have the problem
that when the client sends a lot of messages in a very short period of time
and in consequence the server vice versa, the server throws the following
error:
16:51:43,467 ERROR [STDERR] java.lang.OutOfMemoryError: unable to create
new native thread
16:51:43,469 ERROR [STDERR] at java.lang.Thread.start(Native Method)
16:51:43,469 ERROR [STDERR] at
org.jboss.mq.il.uil.UILServerILService.run(UILServerILService.java:198)
16:51:43,469 ERROR [STDERR] at java.lang.Thread.run(Thread.java:534)
...
It's independent from the invocation layer used, only the time till the
error occurs differs a little bit.
Is it possible that JMS isn't fast enough so that the queue gets blocked
because of the big amount of messages? If so, is there any way to look if
the traffic on the queue is ok before sending a new message over it?
Thanks a lot,
Jochen
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