Ok, i'm looking at this problem again and have a quick question.
We're using the XML/RPC sampler. Am i right in thinking that uses
httpclient underneath it?
Anyway I tried setting the httpclient socket timeout to 6,000 up from 3,000
and it didnt seem to make any difference.
The problem we're seeing now is that we see spurious 3.5s peaks in response
times when all other requests are within 200ms. We've checked logging at
all ends of the system and have come to the conclusion these delays only
exist in jmeter. So i've guessed that the 1st connection is timing out
perhaps (3s default?) and then the second attempt works. Could that be
true? Is there any way I could up the debug logging or anything to prove
this point?
Many thanks again for any help!!
Dan
----- Original Message -----
From: "sebb" <[EMAIL PROTECTED]>
To: "JMeter Users List" <[email protected]>; "Lists"
<[EMAIL PROTECTED]>
Sent: Sunday, June 01, 2008 2:56 PM
Subject: Re: Connection refused...
On 01/06/2008, sebb <[EMAIL PROTECTED]> wrote:
On 01/06/2008, Lists <[EMAIL PROTECTED]> wrote:
> The jmeter.log file shows this:
>
> 2008/06/01 13:14:20 INFO -
> org.apache.commons.httpclient.HttpMethodDirector: I/O exception
> (java.net.ConnectException) caught when processing request:
Connection timed
> out
> 2008/06/01 13:14:20 INFO -
> org.apache.commons.httpclient.HttpMethodDirector: Retrying request
>
>
> I am assuming that the full connection refused then eventually
returns if
> the total number of retries fails.
>
> how many times does it retry? been googling for defaults but I can't
find
> any!
jmeter.properties has a link to:
http://jakarta.apache.org/commons/httpclient/preference-api.html
which now redirects to:
http://hc.apache.org/httpclient-3.x/preference-api.html
However, it looks like the retry count is not one of the available
preferences.
From searching the code, the default appears to be 3.
See also httpclient.parameters in the bin directory
> Dan
>
> (Jmeter 2.3.1)
>
>
> --------- Original Message --------
> From: JMeter Users List <[email protected]>
>
> To: JMeter Users List <[email protected]>, Lists
> <[EMAIL PROTECTED]>
>
> Subject: Re: Connection refused...
> Date: 01/06/08 13:18
>
> > On 01/06/2008, Lists <[EMAIL PROTECTED]> wrote:
> > > hmm, i'm not sure this is the problem im seeing now :)
> > >
> > > I upped the ulimit and it seemed to improve but eventually
came
> back.
> > >
> > > So what could cause this? we see nothing in the logs at the
other
>
> end.
> >
> > Which logs are those?
> > AFAIK, the server log won't show failed connections, because they
will
> > be handled by the OS.
> >
>
> > > The other thing thats interesting is that every time this
happens
> the
> > > response time is always 224s . Why would that be? How many
times
> does it
> > > retry the connection before giving up? I can see some
messages in
> the logs
> > > about retrying...
> > >
>
> >
> > Which sampler are you using?
> >
>
> > > Thanks,
> > > Dan
> > >
> > >
> > > --------- Original Message --------
> > > From: JMeter Users List
<[email protected]>
> > > To: JMeter Users List <[email protected]>
> > > Subject: Connection refused...
> > > Date: 01/06/08 13:04
> > >
> > > > It seems that you get this error:
> > > >
> > > > java.net.ConnectException: Connection refused
> > > > at java.net.PlainSocketImpl.socketConnect(Native
> Method)
> > > >
> > > > When you run out of file descriptors on unix. (i.e.
ulimit -n)
> > > >
> > > > I think thats worth knowing - because the error seems
slightly
> misleading
> > > > although i guess technically correct. It's just in this
case
> the OS has
> > > > refused the connection rather than the target machine.
> > > >
> > > > Dan
> > > >
> > > > ________________________________________________
> > > > Message sent using UebiMiau 2.7.10
> > > >
> > > >
> > > >
> > > >
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> > > >
> > >
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