Hi Ken,
agree with Ming Qin, it could be interesting to take a look at the
code, or its part, which actually causes this.
From the exception it looks like you pass null buffer for the write
operation, can you pls. check this?
Thanks.
WBR,
Alexey.
On Mar 30, 2010, at 6:51 , Ming Qin wrote:
> Ken:
> Can you share with community of your testing environment settings
> and testing case which generated those nullpointException?
>
>
> Ming Qin
> Cell Phone 858-353-2839
>
> --- On Mon, 3/29/10, Ken--_at_newsgroupstats.hk <dragonken_at_gmail.com>
> wrote:
>
> From: Ken--_at_newsgroupstats.hk <dragonken_at_gmail.com>
> Subject: stress test with bear2.0
> To: users_at_grizzly.dev.java.net
> Date: Monday, March 29, 2010, 8:19 PM
>
>
> Hi,
>
> I download your latest code from trunk and recompile it for stress
> test. The
> result is much better than the snapshot last week. However, the server
> sometime will throw NullPointerException.
>
> Regards,
> Ken
>
>
> 2010年3月29日 下午12:42:34
> com.sun.grizzly.nio.transport.TCPNIOTransport fireIOE
> vent
> 警告: Unexpected exception occurred
> fireIOEvent().connection=com.sun.grizzly.nio
> .transport.TCPNIOConnection_at_1e2afb2 event=WRITE
> java.lang.NullPointerException
> at
> com.sun.grizzly.nio.transport.TCPNIOTransport.write(TCPNIOTransport.j
> ava:891)
> at
> com.sun.grizzly.nio.transport.TCPNIOAsyncQueueWriter.write0(TCPNIOAsy
> ncQueueWriter.java:69)
> at
> com.sun.grizzly.nio.AbstractNIOAsyncQueueWriter.doWrite(AbstractNIOAs
> yncQueueWriter.java:324)
> at
> com.sun.grizzly.nio.AbstractNIOAsyncQueueWriter.processAsync(Abstract
> NIOAsyncQueueWriter.java:239)
> at
> com.sun.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterC
> hain.java:173)
> at
> com.sun.grizzly.ProcessorExecutor.resume(ProcessorExecutor.java:73)
> at
> com.sun.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:61)
> at
> com.sun.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTrans
> port.java:634)
> at
> com.sun.grizzly.strategies.WorkerThreadStrategy$1.run(WorkerThreadStr
> ategy.java:115)
> at
> com.sun.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractT
> hreadPool.java:417)
> at
> com.sun.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThre
> adPool.java:398)
> at java.lang.Thread.run(Thread.java:619)
> java.io.IOException: Connection is closed
> at
> com.sun.grizzly.nio.AbstractNIOAsyncQueueWriter.write(AbstractNIOAsyn
> cQueueWriter.java:112)
> at
> com.sun.grizzly.nio.AbstractNIOAsyncQueueWriter.write(AbstractNIOAsyn
> cQueueWriter.java:93)
> at
> com.sun.grizzly.nio.AbstractNIOAsyncQueueWriter.write(AbstractNIOAsyn
> cQueueWriter.java:67)
> at com.sun.grizzly.AbstractWriter.write(AbstractWriter.java:
> 68)
> at
> com
> .mycompany.net.GrizzlyMessageHandler.write(GrizzlyMessageHandler.java:
> 61)
> at
> com
> .mycompany.net.GrizzlyMessageHandler.publishToSubscribers(GrizzlyMessa
> geHandler.java:40)
> at
> com
> .mycompany.queue.test.QTestASCIIServOutItem.run(QTestASCIIServOutItem.
> java:26)
> at
> com.mycompany.executor.SerialExecutor$1.run(SerialExecutor.java:76)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec
> utor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
> .java:908)
> at java.lang.Thread.run(Thread.java:619)
> --
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>
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