[wildfly-dev] xnio selection err

[Jason Greene]

Oh is it always at shutdown?

Sent from my iPhone

> On Jan 2, 2014, at 5:28 AM, Ales Justin <ales.justin at gmail.com> wrote:
> 
> Here:
> * https://gist.github.com/alesj/8217872
> 
> But I didn't get any WARN log during my "chat", only at shutdown.
> Does it still help? Otherwise I can try to catch this when getting WARNings during chat.
> 
> -Ales
> 
>> On 28 Dec 2013, at 17:14, Jason Greene <jgreene at redhat.com> wrote:
>> 
>> Can you try using dtruss for kevent:
>> 
>> 1. Start server
>> 2. Get PID (jps)
>> 3. sudo dtruss -f -t kevent -p PID 2> truss.log
>> 
>> 
>> Sent from my iPad
>> 
>>> On Dec 27, 2013, at 9:47 AM, Ales Justin <ales.justin at gmail.com> wrote:
>>> 
>>> Debugging org.xnio.nio.WorkerThread : 
>>> (with few e.printStackTrace() invocations)
>>> 
>>> https://gist.github.com/alesj/8148775
>>> 
>>>> On 27 Dec 2013, at 16:16, Jason Greene <jgreene at redhat.com> wrote:
>>>> 
>>>> BTW one possible cause is that your user has exceeded the max open files  limit, and you need to bump ulimit.
>>>> 
>>>> The reason I am interested in the stack trace though is to see which poll provider is throwing the error.
>>>> 
>>>> Sent from my iPhone
>>>> 
>>>>> On Dec 27, 2013, at 9:07 AM, Jason Greene <jgreene at redhat.com> wrote:
>>>>> 
>>>>> Oops
>>>>> 
>>>>> Sent from my iPhone
>>>>> 
>>>>>> On Dec 27, 2013, at 9:00 AM, Jason Greene <jgreene at redhat.com> wrote:
>>>>>> 
>>>>>> Any chance you can get a stack trace out of it? Upping the log level or using a debugger to catch IOException would do the trick.
>>>>>> 
>>>>>> The error means the OS is throwing EINVAL.
>>>>>> 
>>>>>> Is this a OSX Mavericks? If so can you double check you are running the latest JVM?
>>>>>> 
>>>>>> Sent from my iPhone
>>>>>> 
>>>>>>> On Dec 27, 2013, at 8:36 AM, Tomaž Cerar <tomaz.cerar at gmail.com> wrote:
>>>>>>> 
>>>>>>> Isn't that the same error that happens only on your mac also in few other cases?
>>>>>>> 
>>>>>>> Can you try on any other platform?
>>>>>>> 
>>>>>>> Sent from my Phone
>>>>>>> From: Ales Justin
>>>>>>> Sent: ‎27.‎12.‎2013 14:14
>>>>>>> To: Wildfly Dev mailing list
>>>>>>> Subject: [wildfly-dev] xnio selection err
>>>>>>> 
>>>>>>> While using UnderTow's JSR WebSockets,
>>>>>>> implementing simple chat app, between 2 diff browsers (Chrome and Safari),
>>>>>>> I get a flood of these log lines:
>>>>>>> 
>>>>>>> 14:09:22,890 WARN  [org.xnio.nio.selector] (default I/O-3) XNIO008000: Received an I/O error on selection: java.io.IOException: Invalid argument
>>>>>>> 
>>>>>>> Any idea?
>>>>>>> 
>>>>>>> -Ales
>>>>>>> 
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> 
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