From: Eric Hodel <drbrain@...7.net>
Date: 2008-07-08T07:20:31+09:00
Subject: Re: XMLRPC Question

On Jul 7, 2008, at 15:09 PM, Michael Taras wrote:

> I am working on a little project that requires me to interface with an
> XMLRPC server they have to grab some data.  To first test it, I just
> telneted into the server and ran their test function, which was  
> "ping".
> It returned a response like so (the server_response area had some
> private data so I left it out):
>
> <?xml version="1.0" encoding="UTF-8"?>
> <ping>
>  <CommandStatus>
>    <code>OK</code>
>    <transit>0.089925</transit>
>  </CommandStatus>
>  <command>
>    <name>ping</name>
>  </command>
>  <server_response>
>   ...just a few strings in here
>  </server_response>
> </ping>
>
>
> So after that, I set out to see if I could get the same information  
> from
> my ruby script, and I wrote the following script:
>
> require 'xmlrpc/client'
> require 'pp'
>
> server = XMLRPC::Client.new2("server_info_in_here")
> result = server.call("ping")
>
> pp result
>
>
> However, when I run that script it errors out on the line with
> server.call in it.  The error that it spits out is:
>
> /usr/local/lib/ruby/1.8/net/http.rb:2019:in `read_status_line': wrong
> status line: "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
> (Net::HTTPBadResponse)
>        from /usr/local/lib/ruby/1.8/net/http.rb:2006:in `read_new'
>        from /usr/local/lib/ruby/1.8/net/http.rb:1047:in `request'
>        from /usr/local/lib/ruby/1.8/net/http.rb:1034:in `request'
>        from /usr/local/lib/ruby/1.8/net/http.rb:543:in `start'
>        from /usr/local/lib/ruby/1.8/net/http.rb:1032:in `request'
>        from /usr/local/lib/ruby/1.8/net/http.rb:989:in `post2'
>        from /usr/local/lib/ruby/1.8/xmlrpc/client.rb:535:in `do_rpc'
>        from /usr/local/lib/ruby/1.8/xmlrpc/client.rb:420:in `call2'
>        from /usr/local/lib/ruby/1.8/xmlrpc/client.rb:410:in `call'
>        from test.rb:5
>
> Just from my research, it seems that the error is popping up because  
> the
> code is trying to match the xml definition line to an HTTP response
> code, which of course is not working.  My guess is that the server is
> not returning any sort of http status, and just the xml, but I'm  
> really
> not sure.  This is my first time messing with any xmlrpc stuff.
>
> If the problem is easily solvable on my end, that would be awesome.   
> But
> if it is something wrong on their end then I can probably get that
> fixed, I guess I just need to know exactly what is wrong.
>
> Any help would be greatly appreciated.

Alternately, a HEAD request was performed and the server dumped a  
content body on it because it handles it the same as GET.  I suggest  
you break out tcpdump for some closer examination.