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cfhttp/xml help
Author: Rob Wilkerson
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:50840#272940
For anyone who's interested, I've blogged the considerations/issues I
ran into (or can remember running into) when using ColdFusion to
consume a feed at
http://musetracks.instantspot.com/blog/index.cfm/2007/3/18/Consuming-an-RSS-Feed-with-ColdFusion.
A follow-up post will detail the issues I had when displaying the
content of a feed.
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Author: Robertson-Ravo, Neil (RX)
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:50840#272937
Maybe a BOM? I know we have had some issues with them and XML etc..
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You may have non-printing characters. I've seen this before as well
and I've solved it, but I can't remember how. I'll try digging up
some of my old code and see if I can be some help.
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it
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I'm
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Author: Rob Wilkerson
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:50840#272936
@Bob & Randy -
I cracked open some of my code and, if I was looking in the right
place, this is what I did...
<cfset rawXML = REReplaceNoCase ( trim ( cfhttp.fileContent ), "^[^<]*", ""
) />
This code strips out any character (printing or non-printing) that
occurs before the opening "<". In a valid feed, that opening "<"
would mark the start of "<?xml...>".
Hope this helps.
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Author: Rob Wilkerson
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:50840#272932
You may have non-printing characters. I've seen this before as well
and I've solved it, but I can't remember how. I'll try digging up
some of my old code and see if I can be some help.
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Author: Randy Johnson
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:50840#272915
Hi Bob,
I had this happen with a couple rss feeds. I tried trimming the feed in
case of any white space. That did not help it so I finally gave up. The
weird thing is, the feeds worked fine if I put them in the RSS Reader. I
currently use GreatNews for My RSS reader.
I did some testing with online rss validators on the url in your example, it
was to big for the online validators to check but It did pass the xml
validator test (Well Formed), so I assume it is a valid rss feed too.
Not really much help I know :-)
-Randy
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Author: Bob Imperial
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:50840#272912
Hi Folks,
I'm just getting started with learning the basics on pulling xml feeds with
cfhttp and am in need of some help with an error I get with some feeds I'm
playing with. Here's the code block I'm working with and I get the following
error on this feed and a couple of others...
Content is not allowed in prolog.
The error occurred in C:\Inetpub\wwwroot\testing\rss.cfm: line 10
8 : <body>
9 : <cfhttp url="http://www.nranews.com/rss/rss.xml" method="GET"
resolveurl="No" ></cfhttp>
10 : <cfset MyXML=XMLParse(cfhttp.FileContent)<--- doesn't seem to like
this
<cfhttp url="http://www.nranews.com/rss/rss.xml" method="GET"
resolveurl="No" ></cfhttp>
<cfset MyXML=XMLParse(cfhttp.FileContent)>
<!---<cfdump var =#MyXML#>--->
<!------>
<cfoutput>
<cfloop index="x" from="1" to="#ArrayLen(MyXML.rss.channel.item)#">
Title: #MyXML.rss.channel.item[x].title.xmlText# <a
href="#MyXML.rss.channel.item[x].link.xmlText#">click here</a>
#MyXML.rss.channel.item[x].description.xmlText#
</cfloop>
</cfoutput>
While this same block of code works fine using the feed from
http://www.tfc.edu/radio/podcasting/music.xml
I'm confused here, any help in understanding this is appreciated!
Bob
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May 24, 2012
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