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List:       xmlrpc-dev
Subject:    [jira] Commented: (XMLRPC-148) Streaming mode not working as
From:       "Jochen Wiedmann (JIRA)" <xmlrpc-dev () ws ! apache ! org>
Date:       2009-05-10 17:36:45
Message-ID: 763708145.1241977005579.JavaMail.jira () brutus
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    [ https://issues.apache.org/jira/browse/XMLRPC-148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12707816#action_12707816 \
] 

Jochen Wiedmann commented on XMLRPC-148:
----------------------------------------

Alan, apart from the fact that the combination of keepalive and streaming mode \
depends on the use of HTTP/1.1 and chunky mode, I do not see any relationship between \
this issue and XMLRPC-169.


> Streaming mode not working as documented
> ----------------------------------------
> 
> Key: XMLRPC-148
> URL: https://issues.apache.org/jira/browse/XMLRPC-148
> Project: XML-RPC
> Issue Type: Bug
> Affects Versions: 3.1
> Environment: Gentoo / Sun JDK 1.6
> Reporter: Andreas Sahlbach
> Attachments: streaming.patch, xmlrpc.patch
> 
> 
> Here is my mail posted in the developer mailing list describing the issue(s):
> Hi xmlrpc-gurus!
> I am trying to migrate my projects from xmlrpc 2.0 to xmlrpc 3.1. I need to migrate \
> one of the clients and the server, so I am very interested, that this part of the \
> documentation is true:
> > If streaming mode is disabled, then the server will always behave like a standard \
> > XML-RPC server. Otherwise, the server will verify, whether the client sends a \
> > content-length header. If so, then the server assumes that the client is able to \
> > accept a missing content-length header in the response as well. Otherwise, the \
> > server will still disable streaming for this particular requests. In other words, \
> > traditional clients will still receive a traditional > response and one server \
> > can serve both data types.
> Unfortunately during verification of this I encountered two problems:
> 1) client: I am using the sun classes on a linux system. It looks like that it \
> doesn't actually matters if I set contentLengthOptional and enabledForExtensions to \
> tue or false. The request _always_ contains a content-length header. I debugged it \
> but couldn't find place, where this header is added. I found the place in the \
> client where the configuration was correctly read out and where the client was \
> skipping the part to add this header. But nevertheless my request contains a \
> content-length header at the end (I am using wireshark to sniff the network \
> traffic). In the case I set the two configurations to true, the content-length \
> header is always the last header in the header section. Can it be, that java is \
> adding the content-length header by itself? If this is the case then using the \
> content-length header for detection if the server should answer in streaming mode \
> or not is not working! 2) server: I actually can't find the part in the sources \
> where the server is honoring the content-length header in the request. It looks \
> like the server is acting in streaming mode if I set both options to true and is \
> not acting in streaming-mode, if I set both options to false. At least that is \
> wireshark telling me. Could you give me a pointer to the code part that is doing \
> the magic as stated in the documentation? I  don't want to nit-pick, but not \
> becoming incompatible is essential for my service. Within the enterprise of my \
> customer a number of clients are not under my control and I am in deep shit if they \
> stop working :) Thanks for your time guys!

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