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(AbstractSelectableChannel.java:209)
> ~[na:1.7.0_40]
> at
> org.glassfish.grizzly.nio.DefaultSelectorHandler.registerChannel0(DefaultSelectorHandler.java:318)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.DefaultSelectorHandler.access$400(DefaultSelectorHandler.java:64)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.DefaultSelectorHandler$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(DefaultSelectorHandler.java:286)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.DefaultSelectorHandler.preSelect(DefaultSelectorHandler.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$Worker.doWork(AbstractThreadPool.java:565)
> [grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.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(AbstractSelectableChannel.java:209)
> ~[na:1.7.0_40]
> at
> org.glassfish.grizzly.nio.DefaultSelectorHandler.registerChannel0(DefaultSelectorHandler.java:318)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.DefaultSelectorHandler.registerChannelAsync(DefaultSelectorHandler.java:188)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.RoundRobinConnectionDistributor.registerChannelAsync(RoundRobinConnectionDistributor.java:84)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.transport.TCPNIOServerConnection.registerAcceptedChannel(TCPNIOServerConnection.java:205)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.transport.TCPNIOServerConnection.onAccept(TCPNIOServerConnection.java:242)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:527)
> ~[grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
> [grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
> [grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.executeIoEvent(WorkerThreadIOStrategy.java:103)
> [grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.strategies.AbstractIOStrategy.executeIoEvent(AbstractIOStrategy.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$Worker.doWork(AbstractThreadPool.java:565)
> [grizzly-framework-2.3.10.jar:2.3.10]
> at
> org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.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
>