Mailing-List: contact commons-httpclient-dev-help@jakarta.apache.org;
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Message-ID: <3E496235.6010600@u.washington.edu>
Date: Tue, 11 Feb 2003 15:51:01 -0500
From: Michael Becke <becke@u.washington.edu>
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To: Commons HttpClient Project <commons-httpclient-dev@jakarta.apache.org>
Subject: Re: Pooling HttpClient
References: <01d601c2d20e$568d6f80$b91a448a@b7676gx240>
In-Reply-To: <01d601c2d20e$568d6f80$b91a448a@b7676gx240>
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I believe this is a bug that was recently fixed.  I would recommend 
using the most recent code from CVS until the next release (alpha 3 or 
beta 1) comes out.

Mike

Sinead Whelan wrote:
> Hi
> 
> I wish to use HttpClient in a servlet based application. The HttpClient will be used to communicate with another internal server (always the same server). This communications will be in HTTP over SSL and I would like to be able to reuse connections to the server without having to do an expensive SSL handshake all the time. I would intend to have a long timeout on the HTTP connection (~15 minutes).
> 
> Currently in my servlet I have code similar to below,
> 
> class MyServlet extends HttpServlet {
> 
>    static HttpConnectionManager httpConnectionManager = new MultiThreadedHttpConnectionManager();
>    static HttpClient httpClient = new HttpClient(httpConnectionManager);
> 
>     public void init() {
>         httpConnectionManager.setMaxConnectionsPerHost(150);
>     }
> 
> 
>     public void doPost(Req req, Response resp) {
>         PostMethod post = new PostMethod(url.getPath());
>         post.setRequestContentLength(PostMethod.CONTENT_LENGTH_CHUNKED);
>        post.addParameter("TestReq", "Hello");
>     
>         int result = httpClient.executeMethod(post);
> 
>         post.releaseConnection();
>     }
>     
> }
> 
> This does not appear to work when a few users/threads are accessing the servlet at the same time. I get the following error message on the executeMethod():
> 
> Recoverable exception caught when reading response - couldn't find valid http header. (or something like that!)
> 
> Do you think that this is the correct way to use it if you want to pool connection to same server (should I use static HttpClient)?
> 
> Any help would be greatly appreciated.
> 
> Cheers
> 
> Sinead
> 
> 
> **********************************************************************
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>  the addressee unless otherwise indicated.
> 
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> 
>