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From ivan Gouin <gouin.i...@gmail.com>
Subject Re: [users@httpd] How to debug 70014 and 70007 errors
Date Mon, 30 Jul 2012 14:37:42 GMT
Hi,
Got some Tcpdump !
What i can see is that everytime when we got the issue, our httpd server
got an RST from the tomcat server.
Does someone have a clue on what's happening?

104 15:17:51.887648  X.X.X.X X.X.X.X  TCP 551 50300 > 45371 [PSH, ACK]
Seq=459 Ack=1518 Win=49232 Len=485 TSval=702118294 TSecr=3875125094
105 15:17:51.927192  X.X.X.X  X.X.X.X  TCP 66 45371 > 50300 [ACK] Seq=1518
Ack=944 Win=16768 Len=0 TSval=3875125141 TSecr=702118294
106 15:17:57.705063 X.X.X.X   X.X.X.X  TCP 66 45349 > 50300 [FIN, ACK]
Seq=1 Ack=1 Win=152 Len=0 TSval=3875130918 TSecr=701960866
107 15:17:57.705128 X.X.X.X   X.X.X.X  TCP 74 45372 > 50300 [SYN] Seq=0
Win=14600 Len=0 MSS=1460 SACK_PERM=1 TSval=3875130918 TSecr=0 WS=128
*108 15:17:57.705236 X.X.X.X   X.X.X.X  TCP 60 50300 > 45349 [RST] Seq=1
Win=0 Len=0*
109 15:17:57.705314 X.X.X.X   X.X.X.X  TCP 78 50300 > 45372 [SYN, ACK]
Seq=0 Ack=1 Win=49232 Len=0 TSval=702118876 TSecr=3875130918 MSS=1460 WS=1
SACK_PERM=1



On 25 July 2012 11:29, ivan Gouin <gouin.ivan@gmail.com> wrote:

> Hi rainer,
> For case 70007,  the timeout expired, in access log , i've got a 300
> second timeout
> In the same time, tomcat's access log haven't any trace of the
> corresponding request.
>
> For these request, response time is about 30-100ms
>
> Apache is Apache/2.2.17
> Tomcat is 6.0.26 (jdk1.6.0_24)
>
> I'm preparing a tcpdump on each side to see if i can see something
> received by tomcat .
>
> Ivan
>
>
> On 25 July 2012 11:02, Rainer Jung <rainer.jung@kippdata.de> wrote:
>
>> On 25.07.2012 09:52, ivan Gouin wrote:
>>
>>> Hi,
>>>
>>> I've got those error in my httpd error log:
>>>
>>> [Wed Jul 25 08:10:55 2012] [error] (70014)End of file found: proxy:
>>> prefetch request body failed to *.*.*.*:50300 (...) from ..... ()
>>> [Wed Jul 25 00:13:18 2012] [error] (70007)The timeout specified has
>>> expired: proxy: prefetch request body failed to  to *.*.*.*:50300 (...)
>>> from ..... ()
>>>
>>
>> Maybe the Timeout has expired?
>>
>>
>>  Those error occurs with client accessing a tomcat WS through mod_proxy .
>>>
>>> Not all the requests are rejected for today, 416 out of 2194 got one of
>>> these errors.
>>>
>>> don't really know how to proceed to debug this error.
>>> thanks for your help
>>>
>>
>> Add %D to your Tomcat and Apache Access Logs. It is the response time in
>> milloiseconds (Tomcat) resp. microseconds (Apache). If the number is e.g.
>> slightly above 60000000 for Apache and you had set a timeout of 60 seconds,
>> then you know the problem is that the response takes to long. You can then
>> check Tomcats Access Log to see how long it actually took. If it really
>> takes to long in Tomcat, then take thread dumps to analyze and switch to
>> the Tomcat users mailing list.
>>
>> HTH.
>>
>> Rainer
>>
>>
>> ------------------------------**------------------------------**---------
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>>
>>
>
>
> --
> *Ivan GOUIN**
> *
>
> ***Mob (Suisse**)* : +41 (0)79 941 07 90
>
> *Mail* : gouin.ivan@gmail.com
>
>


-- 
*Ivan GOUIN**
*

***Mob (Suisse**)* : +41 (0)79 941 07 90

*Mail* : gouin.ivan@gmail.com

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