[wildfly-dev] xnio selection err

[Ales Justin]

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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