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List:       httpclient-users
Subject:    RE: stream corruption
From:       Oleg Kalnichevski <olegk () apache ! org>
Date:       2009-01-24 12:50:38
Message-ID: 1232801438.7134.4.camel () ubuntu
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On Fri, 2009-01-23 at 13:18 -0500, Natarajan_Valli@emc.com wrote:
> Oleg,
> It is name of the thread. 

This does not make any sense as there is no way multiple requests could
be executed over the same connection based on blocking I/O using a
single thread.

Oleg


> What else should I look for?  Any other ideas
> to investigate or fix this problem?
> 
> Thanks
> Valli
> 
> -----Original Message-----
> From: Oleg Kalnichevski [mailto:olegk@apache.org] 
> Sent: Friday, January 23, 2009 8:02 AM
> To: HttpClient User Discussion
> Subject: RE: stream corruption
> 
> On Fri, 2009-01-23 at 01:32 -0500, Natarajan_Valli@emc.com wrote:
> > Oleg,
> > 
> > I see following in wire log. The content gets mixed when this happens.
> > Does the message look correct?
> > 
> 
> There is nothing unusual about the log as HttpClient is perfectly
> capable of executing requests simultaneously when configured to run with
> a threading safe HTTP connection manager. HTTP messages transmitted
> concurrently naturally appear mixed in the wire log 
> 
> Is SubmitterThread name of a class or name of a thread?
> 
> Oleg
> 
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "POST
> > /indexserver/?ftRequestHandler=BatchRequest HTTP/1.1[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "POST
> > /indexserver/?ftRequestHandler=BatchRequest HTTP/1.1[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "User-Agent:
> > Jakarta Commons-HttpClient/3.0.1[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "User-Agent:
> > Jakarta Commons-HttpClient/3.0.1[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "Host:
> > myhost:9200[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "Host:
> > myhost:9200[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>>
> > "Content-Length: 8899[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>>
> > "Content-Length: 46427[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "[\r][\n]"
> > 2009-01-22 19:48:06,239 DEBUG header [SubmitterThread]>> "[\r][\n]"
> > 
> > -----Original Message-----
> > From: Natarajan, Valli 
> > Sent: Thursday, January 22, 2009 2:46 PM
> > To: HttpClient User Discussion
> > Subject: RE: stream corruption
> > 
> > Oleg,
> > 
> > Please let me know if you need any additional information. Could you
> > provide more info/pointer on "XML based object serialization"?
> > 
> > Thanks
> > Valli
> > 
> > -----Original Message-----
> > From: Oleg Kalnichevski [mailto:olegk@apache.org] 
> > Sent: Thursday, January 22, 2009 2:37 PM
> > To: HttpClient User Discussion
> > Subject: Re: stream corruption
> > 
> > Natarajan_Valli@emc.com wrote:
> > > Oleg, thanks for adding your comments. We call releaseConnection
> > method
> > > in finally. Can you think of anything else which might cause this
> > > problem? Again, I'm not saying that this is a bug in httpclient and
> > > thank you for confirming. I am seeking some help to fix the problem
> > that
> > > we have.
> > >
> > 
> > There is simply not enough information to make any more or less
> informed
> > 
> > guesses. Consider using XML based object serialization so you could 
> > actually see what gets corrupted.
> > 
> > Oleg
> > 
> > 
> > 
> > >  
> > >          m_multiThreadedHttpConnectionManager = new
> > >  MultiThreadedHttpConnectionManager();
> > >          m_client = new
> > > HttpClient(m_multiThreadedHttpConnectionManager);
> > >  
> > >  
> > >          PostMethod post = new PostMethod(url);
> > >          try {
> > >              post.setRequestEntity(new
> > > InputStreamRequestEntity(serializeObject(request)));
> > >  
> > >              NameValuePair[] pair = new NameValuePair[1];
> > >              pair[0] = new NameValuePair(name, value);
> > >              post.setQueryString(pair);
> > >              m_client.executeMethod(post);
> > >  
> > >              if (post.getStatusCode() == 200) {
> > >                      ObjectInputStream responseStream = new
> > > ObjectInputStream(post.getResponseBodyAsStream());
> > >                      return responseStream.readObject();
> > >              }
> > > 		 return post.getStatusText();
> > > 		}
> > > 		finally 
> > > 	  {
> > >             post.releaseConnection();
> > >         }
> > > 
> > > 
> > > 
> > 
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> > 
> > 
> > 
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> 
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