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From Shamik Bandopadhyay <sham...@gmail.com>
Subject [jxpath] Issue in retrieving value jxpath
Date Wed, 21 Sep 2011 14:54:42 GMT
Hi,

 I'm having an issue in parsing the following XML using jxpath. Here's the
sample XML.

 <?xml version="1.0" encoding="UTF-8"?>
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:media="
http://search.yahoo.com/mrss/" xmlns:openSearch="
http://a9.com/-/spec/opensearchrss/1.0/" xmlns:gd="
http://schemas.google.com/g/2005" xmlns:yt="
http://gdata.youtube.com/schemas/2007">
  <entry>
    <id>http://gdata.youtube.com/feeds/api/videos/P1lDDu9L5YQ</id>
    <published>2010-09-20T17:41:38.000Z</published>
   </entry>

    <entry>
       <id>http://gdata.youtube.com/feeds/api/videos/P1lDDu9L5YQ</id>
         <published>2010-09-20T17:41:38.000Z</published>
      </entry>
</feed>


I'm trying to read the contents of <entry> usig xpath. Heres my code
snippet.

String test = "the_xml_example_above";

ByteArrayInputStream is = new ByteArrayInputStream(test.getBytes("UTF-8"));
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc22 = db.parse(is);

JXPathContext ctx = JXPathContext.newContext(doc22);
List nodes = ctx.selectNodes("/feed/entry");

 Here the list is always 0. Now, if I remove the namespace attributes from
<feed>, jxpath is able to resolve the <entry> nodes. Not sure what's the
reason behind this.

I'll appreciate if someone cane provide pointers to this issue.

-Thanks

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