Blogger RSS Parsing Error

[mikeyc <mc...@gmail.com>]

Hey all,
I'm trying to parse Blogger rss feeds and seem to be getting errors when
certain elements are encountered.  Specifically, the elements are prefixed
by "st1".  I believe these are Microsoft Smart Tags - not 100% though.  Has
anyone successfully done this?  If so, can you point me in the right
direction?  

I have attached the error message below for reference.  

Thanks,
Mike

org.apache.commons.feedparser.FeedParserException: org.jdom.JDOMException:
Error on line 46: The prefix "st1" for element "st1:country-region" is not
bound.
        at
org.apache.commons.feedparser.FeedParserImpl.parse(FeedParserImpl.java:86)
        at org.apache.nutch.parse.rss.RSSParser.getParse(RSSParser.java:116)
        at org.apache.nutch.parse.ParseUtil.parse(ParseUtil.java:77)
        at
org.apache.nutch.fetcher.Fetcher$FetcherThread.output(Fetcher.java:225)
        at
org.apache.nutch.fetcher.Fetcher$FetcherThread.run(Fetcher.java:137)
Caused by: org.jdom.JDOMException: Error on line 46: The prefix "st1" for
element "st1:country-region" is not bound.
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:367)
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:673)
        at
org.apache.commons.feedparser.FeedParserImpl.parse(FeedParserImpl.java:73)
        ... 4 more
Caused by: org.xml.sax.SAXParseException: The prefix "st1" for element
"st1:country-region" is not bound.
        at
org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown
Source)
        at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown
Source)
        at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
Source)
        at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
Source)
        at
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
Source)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
        at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:354)



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Re: Blogger RSS Parsing Error

[mikeyc <mc...@gmail.com>]

Chris,
Ok, I'll try the commons-feedparser mailing list.  Also, yes that was the
stack trace in the log output.  

Thanks again,
Mike
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Re: Blogger RSS Parsing Error

[Chris Mattmann <ch...@jpl.nasa.gov>]

Hi Mike,

  The RSS parser for Nutch is based on Kevin Burton's commons-feedparser in
the Jakarta Sandbox. Here is the documentation for that feedparser:

http://jakarta.apache.org/commons/sandbox/feedparser/

You might want to post to the commons-feedparser email list asking him about
your RSS question: he's the real RSS guru, and I bet you he could help you
out.

  As for your guess that it's probably an unrecognized tag, I think you're
probably right. Now the question is, your fetch isn't failing because of
this, right? I mean, I see in the RSS parser that line 116 (the call to the
"parse" function) is within a try/catch block, so what you are pasting below
is just the output of the stack trace, right?

Anyways, good luck on your problem!

Cheers,
  Chris

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