Re: [Simpleweb-Support] TCP connections stuck in CLOSE_WAIT
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Re: [Simpleweb-Support] TCP connections stuck in CLOSE_WAIT
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From: saviourcat <sav...@gm...> - 2010-03-11 15:58:59
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Great! Thanks Niall for your persistence support all the time. I'll wait for the release
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Email/IM: sav...@gm... and md...@ya...
-----Original Message-----
From: <nia...@rb...>
Date: Thu, 11 Mar 2010 14:56:17
To: <sim...@li...>
Subject: Re: [Simpleweb-Support] TCP connections stuck in CLOSE_WAIT
I will make sure a try/catch wraps the shutdownOutput method and build a new release.
Thanks,
Niall
-----Original Message-----
From: Thierry Boileau [mailto:thb...@gm...]
Sent: 11 March 2010 14:37
To: Simple support and user issues
Subject: Re: [Simpleweb-Support] TCP connections stuck in CLOSE_WAIT
Hello,
we met the same kind of problems when calling Socket#shutdownOutput, specifically on MacOS. Perhaps because the socket was already closed.
However, as this method throws exceptions, and since the socket is aimed to be closed, it should be better to add such try/catch clause.
Best regards,
Thierry Boileau
> What issue were you seeing before you did this? Also what exceptions did you see before this? If there is a problem here ill upload a new release with this as a fix.
> Thanks for the feedback.
> Niall
>
> -----Original Message-----
> From: Christophe Roudet [mailto:cr...@ac...]
> Sent: 11 March 2010 14:04
> To: sim...@li...
> Subject: Re: [Simpleweb-Support] TCP connections stuck in CLOSE_WAIT
>
> I had the same thing, I have patched
> org.simpleframework.transport.SocketWriter.close().
>
> I have simply added a try/catch around channel.socket().shutdownOutput() and the file descriptor leak disappered:
>
> public synchronized void close() throws IOException {
> if(!closed) { closed = true;
> builder.close();
> try {
> channel.socket().shutdownOutput(); // send FIN ACK
> } catch (IOException ioex) {
> }
> channel.close();
> }
> }
>
> Christophe
>
> On 3/10/2010 8:26 PM, saviourcat wrote:
>> I experience exactly the same thing. After running out of file descriptor, the http listener won't accept any more connection.
>>
>> Actually I already posted this problem I encountered sometime ago, and Niall told me to check whether there is still non-closed connection. I don't know whether I'm doing something wrong or not, but then I just create a simple echo web application and still behaves like this. OS issue? Or the http client?
>>
>> --
>> Sent using Telkomsel network
>> Twitter: @md_ray
>> Email/IM: sav...@gm... and md...@ya...
>>
>> -----Original Message-----
>> From: Ian Clarke<ian...@gm...>
>> Date: Wed, 10 Mar 2010 16:43:37
>> To:<sim...@li...>
>> Subject: [Simpleweb-Support] TCP connections stuck in CLOSE_WAIT
>>
>> I'm using SimpleWeb to power a JSON REST API, which gets hit with
>> around 4 requests per second (mainly POST requests).
>>
>> Occasionally I'm finding that my Linux server runs out of file
>> descriptors, and an lsof reveals that its because a bunch of
>> connections are stuck in CLOSE_WAIT.
>>
>> Can anyone suggest what might be causing this?
>>
>> Ian.
>>
>>
>
>
> --
> Christophe Roudet
>
>
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> See why Intel Parallel Studio got high marks during beta.
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------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
Simpleweb-Support mailing list
Sim...@li...
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
Simpleweb-Support mailing list
Sim...@li...
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
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