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Date: Tue, 6 Mar 2007 14:15:24 -0800 (PST)
From: "robert.onslow (JIRA)" <jira@apache.org>
To: dev@cocoon.apache.org
Subject: [jira] Created: (COCOON-2021) NPE in WriteDOMSessionTransformer
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NPE in WriteDOMSessionTransformer
---------------------------------

                 Key: COCOON-2021
                 URL: https://issues.apache.org/jira/browse/COCOON-2021
             Project: Cocoon
          Issue Type: Bug
          Components: * Cocoon Core
    Affects Versions: 2.1.10
            Reporter: robert.onslow


The following POST thru' a Stream generator generates an NPE:

POST:
<?xml version="1.0" encoding="UTF-8"?>
<n1:dataFields xmlns:xscript="http://apache.org/xsp/xscript/1.0" xmlns:soap="http://apache.org/xsp/soap/3.0" xmlns:xsp-request="http://apache.org/xsp/request/2.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:n5="http://xlegal.co.uk/courts/schemas/parties" xmlns:n4="http://xlegal.co.uk/courts/schemas/case" xmlns:n3="http://xlegal.co.uk/courts/schemas/objects" xmlns:n2="http://xlegal.co.uk/courts/schemas/chron" xmlns:env="http://schemas.xmlsoap.org/soap/envelope/" xmlns:n1="http://xlegal.co.uk/XPDLEngine/" xmlns:xpdle="http://xlegal.co.uk/XPDLEngine/" xmlns:xforms="http://www.w3.org/2002/xforms">
          <newpkg_df5>
            <n2:EventList caseNumber="HC04C1234">
              <n2:Event eventOfType="documentFiled" eventTime="10:00" eventDate="2007-01-01">
                <n3:StatCase dref="http://" apparentDate="2007-01-01" statCaseOfType="Claim Form">
                </n3:StatCase>
              </n2:Event>
            </n2:EventList>
          </newpkg_df5>
          <newpkg_df3>HC04C1234</newpkg_df3>
          <newpkg_df4>
            <n4:Case caseNumber="HC04C1234">
              <n5:Parties>
                <n5:PartyGroup partyGroupOfType="Claimant">
                  <n5:Party>NEW CLAIMANT</n5:Party>
                </n5:PartyGroup>
                <n5:PartyGroup partyGroupOfType="Defendant">
                  <n5:Party>NEW DEFENDANT</n5:Party>
                </n5:PartyGroup>
              </n5:Parties>
            </n4:Case>
          </newpkg_df4>
        </n1:dataFields>

Sitemap:
<map:generate type="stream"/>
	<map:transform type="writeDOMsession">
        <map:parameter name="dom-name" value="postdata"/>
        <map:parameter name="dom-root-element" value="n1:dataFields"/>
      </map:transform>
	<map:serialize/>

Exception:
java.lang.NullPointerException
	at org.apache.cocoon.transformation.WriteDOMSessionTransformer.storePrefixMapping(WriteDOMSessionTransformer.java:186)
	at org.apache.cocoon.transformation.WriteDOMSessionTransformer.startPrefixMapping(WriteDOMSessionTransformer.java:123)
	at org.apache.xerces.parsers.AbstractSAXParser.startNamespaceMapping(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)

The namespaces appear to be correct in the POST. The error is still present when a different dom-root-element is used.

Is the stream generator is generating a startPrefixMapping(null, null) when the unqualified elements appear?

Robert

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