Is URLGenerator closing http connections?

> This might just be an artifact of the large number of requests I'm
> making, related to my Apache configuration or an underlying OS
> limitation (WindowsXP). In about 10 seconds I can make about 2,500
> requests using several threads before connections start being refused.
>
> Adrian Baker wrote:
>> HTTPURLConnection.disconnect() isn't directly called, rather the
>> InputStream is obtained and closed in
>> URLGenerator.URLResourceHandler.destroy(). This is being called ok,
>> and adding a check for HTTPURLConnection & calling disconnect()
>> appears to make no difference.
>>
>> *scratches head* I'll have to look elsewhere...
>>
>> Adrian Baker wrote:
>>> Doing some performance testing I keep running out of connections
>>> while repeatedly invoking the pipeline API via Java (providing a http
>>> URL to the XPL file).
>>>
>>> How are HTTP connections opened by the URLGenerator closed? The only
>>> place I can see HTTPURLConnection.disconnect() being called is from
>>> XFormsSubmissionUtils, which obviously isn't related.
>>>
>>> Adrian

> Adrian,
>
> I think that you are hitting the "famous" Windows port recycling issue.
> I can't find a reference on this at the moment, but I am hoping that
> Alex should know more about it.
>
> -Erik
>
> Adrian Baker wrote:
>> This might just be an artifact of the large number of requests I'm
>> making, related to my Apache configuration or an underlying OS
>> limitation (WindowsXP). In about 10 seconds I can make about 2,500
>> requests using several threads before connections start being refused.
>>
>> Adrian Baker wrote:
>>> HTTPURLConnection.disconnect() isn't directly called, rather the
>>> InputStream is obtained and closed in
>>> URLGenerator.URLResourceHandler.destroy(). This is being called ok,
>>> and adding a check for HTTPURLConnection & calling disconnect()
>>> appears to make no difference.
>>>
>>> *scratches head* I'll have to look elsewhere...
>>>
>>> Adrian Baker wrote:
>>>> Doing some performance testing I keep running out of connections
>>>> while repeatedly invoking the pipeline API via Java (providing a http
>>>> URL to the XPL file).
>>>>
>>>> How are HTTP connections opened by the URLGenerator closed? The only
>>>> place I can see HTTPURLConnection.disconnect() being called is from
>>>> XFormsSubmissionUtils, which obviously isn't related.
>>>>
>>>> Adrian
>
> --
> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
> http://www.orbeon.com/
>
>

>
> From the XForms Everywhere Blog:
>
> http://support.microsoft.com/kb/Q196271
>
> -Hank
>
>
> ----- Original Message -----
> From: "Erik Bruchez" <[hidden email]>
> To: <[hidden email]>
> Sent: Friday, January 12, 2007 6:18 AM
> Subject: Re: [ops-users] Re: Is URLGenerator closing http connections?
>
>
> > Adrian,
> >
> > I think that you are hitting the "famous" Windows port recycling issue.
> > I can't find a reference on this at the moment, but I am hoping that
> > Alex should know more about it.
> >
> > -Erik
> >
> > Adrian Baker wrote:
> >> This might just be an artifact of the large number of requests I'm
> >> making, related to my Apache configuration or an underlying OS
> >> limitation (WindowsXP). In about 10 seconds I can make about 2,500
> >> requests using several threads before connections start being refused.
> >>
> >> Adrian Baker wrote:
> >>> HTTPURLConnection.disconnect() isn't directly called, rather the
> >>> InputStream is obtained and closed in
> >>> URLGenerator.URLResourceHandler.destroy(). This is being called ok,
> >>> and adding a check for HTTPURLConnection & calling disconnect()
> >>> appears to make no difference.
> >>>
> >>> *scratches head* I'll have to look elsewhere...
> >>>
> >>> Adrian Baker wrote:
> >>>> Doing some performance testing I keep running out of connections
> >>>> while repeatedly invoking the pipeline API via Java (providing a http
> >>>> URL to the XPL file).
> >>>>
> >>>> How are HTTP connections opened by the URLGenerator closed? The only
> >>>> place I can see HTTPURLConnection.disconnect() being called is from
> >>>> XFormsSubmissionUtils, which obviously isn't related.
> >>>>
> >>>> Adrian
> >
> > --
> > Orbeon Forms - Web Forms for the Enterprise Done the Right Way
> > http://www.orbeon.com/
> >
> >
>
>
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