Thank you, Alexey. :-)
Regards,
Bongjae Chang
On 3/8/14, 4:52 AM, "Oleksiy Stashok" <oleksiy.stashok_at_oracle.com> wrote:
>Hi Bongjae,
>
>looks like it's known JDK issue
>http://mail.openjdk.java.net/pipermail/nio-dev/2013-September/002285.html
>
>WBR,
>Alexey.
>
>On 07.03.14 03:46, Bongjae Chang wrote:
>> Hi,
>> When I do stress-test in Grizzly's server-side, I meet some strange
>> exceptions.
>> I just kill the client process for stress test forcibly before the
>> following exceptions are thrown.
>> Reproducing is not easy.
>>
>> Here are exceptions(many similar exceptions during short time):
>> ‹
>> ...
>> 2014-03-06 23:39:40.128 [Grizzly(15) SelectorRunner] ERROR
>> org.glassfish.grizzly.nio.SelectorRunner:461 notifyConnectionException
>> - doSelect exception
>> java.lang.NullPointerException: null
>> at
>>
>>sun.nio.ch.EPollArrayWrapper.setUpdateEvents(EPollArrayWrapper.java:178)
>> ~[na:1.7.0_40]
>> at sun.nio.ch.EPollArrayWrapper.add(EPollArrayWrapper.java:227)
>> ~[na:1.7.0_40]
>> at
>> sun.nio.ch.EPollSelectorImpl.implRegister(EPollSelectorImpl.java:164)
>> ~[na:1.7.0_40]
>> at sun.nio.ch.SelectorImpl.register(SelectorImpl.java:133)
>>~[na:1.7.0_40]
>> at
>>
>>java.nio.channels.spi.AbstractSelectableChannel.register(AbstractSelectab
>>leChannel.java:209)
>> ~[na:1.7.0_40]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler.registerChannel0(Default
>>SelectorHandler.java:318)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler.access$400(DefaultSelect
>>orHandler.java:64)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler$RegisterChannelOperation
>>.run(DefaultSelectorHandler.java:461)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler.processPendingTaskQueue(
>>DefaultSelectorHandler.java:295)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler.processPendingTasks(Defa
>>ultSelectorHandler.java:286)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler.preSelect(DefaultSelecto
>>rHandler.java:100)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.SelectorRunner.doSelect(SelectorRunner.java:332
>>)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>> org.glassfish.grizzly.nio.SelectorRunner.run(SelectorRunner.java:276)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(Abstrac
>>tThreadPool.java:565)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractTh
>>readPool.java:545)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at java.lang.Thread.run(Thread.java:724) [na:1.7.0_40]
>> 2014-03-06 23:39:40.138 [Grizzly(1) SelectorRunner] WARN
>> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy:114
>> fireIOEvent - GRIZZLY0010: Uncaught exception:
>> java.lang.NullPointerException: null
>> at
>>
>>sun.nio.ch.EPollArrayWrapper.setUpdateEvents(EPollArrayWrapper.java:178)
>> ~[na:1.7.0_40]
>> at sun.nio.ch.EPollArrayWrapper.add(EPollArrayWrapper.java:227)
>> ~[na:1.7.0_40]
>> at
>> sun.nio.ch.EPollSelectorImpl.implRegister(EPollSelectorImpl.java:164)
>> ~[na:1.7.0_40]
>> at sun.nio.ch.SelectorImpl.register(SelectorImpl.java:133)
>>~[na:1.7.0_40]
>> at
>>
>>java.nio.channels.spi.AbstractSelectableChannel.register(AbstractSelectab
>>leChannel.java:209)
>> ~[na:1.7.0_40]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler.registerChannel0(Default
>>SelectorHandler.java:318)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.DefaultSelectorHandler.registerChannelAsync(Def
>>aultSelectorHandler.java:188)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.RoundRobinConnectionDistributor.registerChannel
>>Async(RoundRobinConnectionDistributor.java:84)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.transport.TCPNIOServerConnection.registerAccept
>>edChannel(TCPNIOServerConnection.java:205)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.transport.TCPNIOServerConnection.onAccept(TCPNI
>>OServerConnection.java:242)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTra
>>nsport.java:527)
>> ~[grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractI
>>OStrategy.java:112)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThread
>>IOStrategy.java:117)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.executeIoEvent(Wo
>>rkerThreadIOStrategy.java:103)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.strategies.AbstractIOStrategy.executeIoEvent(Abstra
>>ctIOStrategy.java:89)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.SelectorRunner.iterateKeyEvents(SelectorRunner.
>>java:412)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.SelectorRunner.iterateKeys(SelectorRunner.java:
>>381)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.nio.SelectorRunner.doSelect(SelectorRunner.java:345
>>)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>> org.glassfish.grizzly.nio.SelectorRunner.run(SelectorRunner.java:276)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(Abstrac
>>tThreadPool.java:565)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at
>>
>>org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractTh
>>readPool.java:545)
>> [grizzly-framework-2.3.10.jar:2.3.10]
>> at java.lang.Thread.run(Thread.java:724) [na:1.7.0_40]
>> ‹
>>
>> It seems that this is not an issue of Grizzly but JDK. Have you ever
>> seen this error?
>>
>> Thanks.
>>
>> Regards,
>> Bongjae Chang
>>
>