Message:
The following issue has been resolved as FIXED.
Resolver: Michael Glavassevich
Date: Fri, 22 Oct 2004 2:17 PM
The fix for XERCESJ-969 (similar to the one suggested here) masks the real bug here.
If the root node being serialized has no children we were walking up the tree instead
of stopping immediately. The old fix just prevented the NullPointerException but
didn't stop well-formedness checking of the root node's following siblings and
following siblings of its ancestors. This should be fixed in CVS now.
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View the issue:
http://issues.apache.org/jira/browse/XERCESJ-1023
Here is an overview of the issue:
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Key: XERCESJ-1023
Summary: NullPointerException in DOMSerializerImpl.writeToString(Node)
Type: Bug
Status: Resolved
Priority: Major
Resolution: FIXED
Project: Xerces2-J
Components:
DOM
Versions:
2.6.2
Assignee: Michael Glavassevich
Reporter: Juergen Birkle
Created: Fri, 22 Oct 2004 10:16 AM
Updated: Fri, 22 Oct 2004 2:17 PM
Environment: Linux, JDK 1.3.1, Xalan 2.6.0, Xerces 2.6.2
Description:
The following simple example result in a NullPointerException:
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String testdata = "<x />";
InputSource in = new InputSource(new StringReader(testdata));
DOMParser parser = new DOMParser();
parser.parse(in);
Document doc = parser.getDocument();
Node root = doc.getDocumentElement();
DOMSerializerImpl dsi = new DOMSerializerImpl();
String result = dsi.writeToString(root);
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The source of the NullPointerException is in
DOMSerializerImpl.prepareForSerialization(), line 1030.
When the call to 'node.getParentNode()' returns 'null' this the code 'next =
node.getNextSibling();' must crash.
I have fixed this problem by replacing line 1026-1030 with the following code:
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if(node == null) {
next = null;
break;
}
if (root == node){
next = null;
break;
}
next = node.getNextSibling();
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But I don't know, if this patch is neutral to the behaviour of the method.
Best regards,
Juergen Birkle
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