dev@glassfish.java.net

Re: Duplicate http headers

From: Jan Luehe <Jan.Luehe_at_Sun.COM>
Date: Wed, 31 Jan 2007 18:29:48 -0800

Hi Ashish,

Ashish Sahni wrote On 01/31/07 06:18 PM,:

> Hi Jeanfrancois,
>
> Actually this is as a regular webapp ie, within GlassFish web
> container not standalone grizzly.


If you are referring to

  https://glassfish.dev.java.net/issues/show_bug.cgi?id=2261
   ("response.setHeader is erroneously behaving like response.addHeader")

this has long been fixed ...


Jan

>
> -Ashish
>
> Jeanfrancois Arcand wrote:
>
>> Hi Ashish,
>>
>> Ashish Sahni wrote:
>>
>>> Hi,
>>> I have a web application that passes the
>>> httpservletresponse(outputstream actually)
>>> to an external lib/code that I don't have control over.
>>> The application seems to be working correctly other than the fact
>>> that the http headers
>>> are duplicated in the response(see below).
>>> I remember seeing a discussion on http-header-duplication but can't
>>> seem to find it
>>> and nothing seems to jump out in API docs.
>>>
>>> How do I prevent the webcontainer from 'committing' the http
>>> response headers ?
>>
>>
>> This happens with Grizzly standalone, right? Not with the normal
>> Grizzly/GlassFish HTTP port. You need to do something like:
>>
>> ((c.s.e.w.connector.grizzly.SocketChannelOutputBuffer)org.apache.coyote.Response.getOutputBuffer()).commit();
>>
>>
>> before writing bytes using the SocketChannel. This will discard the
>> Grizzly HTTP header, and then you will be able to add yours. You can
>> find the complete Rails example here:
>>
>> http://fisheye5.cenqua.com/browse/glassfish/appserv-http-engine/modules/rails/src/main/java/com/sun/grizzly/rails/RailsAdapter.java?r=1.6
>>
>>
>> Thanks
>>
>> -- Jeanfrancois
>>
>>
>>
>>
>>>
>>> Thanks
>>> Ashish
>>>
>>>
>>> HTTP/1.x 200 OK
>>> X-powered-by: Servlet/2.5
>>> Content-Type: text/plain; charset=iso-8859-1
>>> Transfer-Encoding: chunked
>>> Date: Wed, 31 Jan 2007 23:52:02 GMT
>>>
>>> HTTP/1.1 200 OK
>>> Date: Wed, 31 Jan 2007 23:52:02 GMT
>>> Content-Type: text/html
>>> Set-Cookie: _session_id=253bb5948d11ecf0671e4af2bb9b2cee; path=/
>>> Status: 200 OK
>>> Cache-Control: no-cache
>>>
>>>
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>
>