Salut,
Mark Hig wrote:
> Hi,
>
> Is there any way of protecting Grizzly from running out of memory. At the
> moment I am loading my Grizzly server and, as you would expect, eventually
> it runs out of heap space as more and more requests queue up for processing:
>
> 07-Jul-2008 15:17:17 com.sun.grizzly.util.WorkerThreadImpl run
> SEVERE: WorkerThreadImpl unexpected exception:
> java.lang.OutOfMemoryError: Java heap space
> 07-Jul-2008 15:16:49 com.sun.grizzly.http.DefaultProcessorTask parseRequest
> INFO: SocketChannel request linejava.nio.channels.SocketChannel[connected
> local=/127.0.0.1:8000 remote=/127.0.0.1:1834] is: R(
> xmlns:directive="directive")
> 07-Jul-2008 15:17:19 com.sun.grizzly.arp.AsyncProcessorTask doTask
> SEVERE: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> 07-Jul-2008 15:17:18 com.sun.grizzly.http.DefaultProcessorTask parseRequest
> INFO: SocketChannel request linejava.nio.channels.SocketChannel[closed] is:
> R( xmlns:directive="directive")
> 07-Jul-2008 15:17:16 com.sun.grizzly.http.DefaultProcessorTask parseRequest
> INFO: SocketChannel request linejava.nio.channels.SocketChannel[closed] is:
> R( xmlns:directive="directive")
> 07-Jul-2008 15:17:12 com.sun.grizzly.arp.AsyncProcessorTask doTask
> SEVERE: Java heap space
>
> Is there anyway of identifying that this situation is about to occur OR
> after the error has been thrown, to be able to stop the listener, allow
> Grizzly to continue processing to clear its queues and hence free up memory
> and then to re-start the listener to accept more requests?
>
> Thanks in advance for any help.
when that happens, can you do a jmap <PID>:
http://weblogs.java.net/blog/jfarcand/archive/2006/02/using_mustangs.html
and send it to me? There is possibly too many DefaultProcessorTask and
there might be a recycling problem.
Thanks!
-- Jeanfrancois
>
> Mark