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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
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Jochen Wiedmann commented on XMLRPC-148:
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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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