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From Oleg Kalnichevski <ol...@apache.org>
Subject RE: NO_HTTP_RESPONSE_EXCEPTION
Date Fri, 06 Feb 2009 16:34:21 GMT
On Fri, 2009-02-06 at 13:44 +0100, Joan Balagueró wrote:
> Hello Oleg,
> 
> 
> This is the log. I sent 10 concurrent requests, and all of them failed with
> HttpNoResponseException.
> 
> 
> Thanks for you help,
> 
> Joan.
>  

There is nothing wrong with packets generated by HttpClient. This
appears to be a server side issue. The target server fails to send any
valid response back and simply closes the connection.

Oleg


> -----Mensaje original-----
> De: Oleg Kalnichevski [mailto:olegk@apache.org] 
> Enviado el: jueves, 05 de febrero de 2009 21:44
> Para: HttpClient User Discussion
> Asunto: Re: NO_HTTP_RESPONSE_EXCEPTION
> 
> Joan Balagueró wrote:
> > Hello,
> > 
> >  
> > 
> > I’m sending requests to one server using HttpClient3 and HttpClient4.
> > 
> >  
> > 
> > HttpClient3 works well, but HttpClient4 fails randomly with an
> > ‘HttpNoResponseException’.
> > 
> > This is the trace:
> > 
> >  
> > 
> > org.apache.http.NoHttpResponseException: The target server failed to
> respond
> > 
> >         at
> >
> org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponsePar
> > ser.java:85)
> > 
> >         at
> >
> org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.ja
> > va:174)
> > 
> >         at
> >
> org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(Abst
> > ractHttpClientConnection.java:182)
> > 
> >         at
> >
> org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(Defa
> > ultClientConnection.java:235)
> > 
> >         at
> >
> org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(Ab
> > stractClientConnAdapter.java:259)
> > 
> >         at
> >
> org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestEx
> > ecutor.java:279)
> > 
> >         at
> >
> org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.jav
> > a:121)
> > 
> >         at
> >
> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDir
> > ector.java:410)
> > 
> >         at
> >
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.ja
> > va:555)
> > 
> >         at
> >
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.ja
> > va:487)
> > 
> >         at
> >
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.ja
> > va:465)
> > 
> >         at
> > com.vpfw.proxy.services.http.HttpService.sendRequest(HttpService.java:562)
> > 
> >  
> > 
> > Do you know if any other people has had a problem like this?
> > 
> >
> 
> Not to my best knowledge.
> 
> 
> Set 'org.apache.http' logging category to DEBUG and post the resulting 
> wire / context log to the list. I'll have a look.
> 
> Oleg
> 
> > 
> > Thanks,
> > 
> >  
> > 
> > Joan.
> > 
> > 
> 
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