Bugs item #1148333, was opened at 2005-02-22 20:32
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=116035&aid=1148333&group_id=16035
Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Maarten Coene (maartenc)
Assigned to: Nobody/Anonymous (nobody)
Summary: Unable to clone DOMNamespace nodes
Initial Comment:
(From the dom4j-dev mailinglist)
Hello there, I'm new to this mailing list...
I was doing some evaluation on dom4j as a replacement
for Xerces, and using the
org.w3c.dom interface support.
Everything seems to be working so far - retrofitting it
into an application that I'm
working on. But I'm having trouble with calling to
domDocument.cloneNode(true).
The XML being used contains namespace attributes in the
root element (ex: xmlns:xyz="some URL")
This results in an IllegalAddException being thrown for
when it tries to clone a DOMNamespace
node. Here's the interesting part of the stack trace:
org.dom4j.IllegalAddException: The node
"[EMAIL PROTECTED] [Namespace: prefix
mapped to URI
"http://filenet.com/namespaces/wcm/apps/1.0"]"; could
not be added to the element "response" because: The
Node already has an existing parent of "response"
at org.dom4j.tree.AbstractElement.addNode
(AbstractElement.java:2139)
at org.dom4j.tree.AbstractElement.add
(AbstractElement.java:1424)
at org.dom4j.tree.AbstractElement.add
(AbstractElement.java:1335)
at org.dom4j.tree.AbstractBranch.appendContent
(AbstractBranch.java:252)
at org.dom4j.tree.DefaultElement.clone
(DefaultElement.java:271)
at org.dom4j.tree.AbstractBranch.appendContent
(AbstractBranch.java:252)
at org.dom4j.tree.DefaultDocument.clone
(DefaultDocument.java:133)
at org.dom4j.dom.DOMNodeHelper.cloneNode
(DOMNodeHelper.java:199)
at org.dom4j.dom.DOMDocument.cloneNode
(DOMDocument.java:180)
at
com.filenet.wcm.toolkit.server.util.FilterData.mergeObjectSets
(C:/starburst/per170/www/001/dev/apps/java/src/com/filenet/wcm/toolkit/server/util/FilterData.java:1211)
at
com.filenet.wcm.toolkit.server.util.FilterData.getResults
(C:/starburst/per170/www/001/dev/apps/java/src/com/filenet/wcm/toolkit/server/util/FilterData.java:1431)
So I took a quick scan through the dom4j sources, and
figured out that the clone methods do not actually
clone a node if
it is readonly. Instead it just returns the node
itself from the clone. Not set up to debug, but I'm
assuming that this
node is in fact readonly.
Is there something special to do to make cloning work
with an XML that has namespace attributes, or is it a bug?
Thanks.
-J
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