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From Daryl Richter <ng...@comcast.net>
Subject Re: Warning and then OutOfMemoryError
Date Thu, 07 Jun 2007 20:48:54 GMT
Hiram-

On 6/6/07 7:04 PM, "Hiram Chirino" <hiram@hiramchirino.com> wrote:

> I'd recommend you run with a profiler and send us a link to the memory
> profile when you notice it getting close to getting an
> OutOfMemoryException.

Sure, no problem.  I have this running in both a Dev and QA system that I
can profile.  Can you point me to a link or a quick example of "running with
a profiler."

Thanks!

> 
> Regards,
> Hiram
> 
> On 5/24/07, Daryl Richter <drichter@funddevelopmentservices.com> wrote:
>> Hey-
>> 
>> Last night one of our brokers, running a build of ActiveMQ 4.2-SNAPSHOT
>> built a couple of weeks ago, crashed with the following output:
>> 
>> WARN  TcpTransport                   - Cannot set socket buffer size = 65536
>> Exception in thread "ActiveMQ Transport Server: ssl://localhost:62622"
>> Exception in thread "ActiveMQ Connection
>> Dispatcher: 24407889" Exception in thread "ActiveMQ Transport:
>> tcp:///10.100.103.146:4280" Exception in thread "
>> btpool0-0" java.lang.OutOfMemoryError: Java heap space
>> Exception in thread "RMI RenewClean-[10.100.101.102:47825]"
>> java.lang.OutOfMemoryError: Java heap space
>> java.lang.OutOfMemoryError: Java heap space
>> ERROR TransportStatusDetector        - failed to complete a sweep for
>> blocked clients
>> java.lang.OutOfMemoryError: Java heap space
>> ERROR TransactionTemplate            - Having to Rollback - caught an
>> exception: java.io.IOException: Java excep
>> tion: 'Java heap space: java.lang.OutOfMemoryError'.
>> 
>> At this point the broker became unresponsive.
>> 
>> Does that WARN have anything to do with it?  There aren't timestamps so I
>> can't tell the time sequence.
>> 
>> We are connecting to this broker exclusively with Stomp clients.  The
>> throughput is not large, though there was active messaging at the time.
>> 
>> Thanks!
>> 
>> --
>> Daryl Richter -:- Fund Development Services
>> 440 Park Avenue South -:- 14th Floor -:- Manhattan -:- NY -:- 10016
>> 
>> e://drichter@funddevelopmentservices.com
>> o://212/920.3526
>> m://917/536.0789
>> 
>> 
> 

--
Daryl
http://itsallsemantics.com

"We want great men who, when fortune frowns, will not be discouraged."
    -- Colonel Henry Knox, 1776





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