NULL-optimization error + FIX
-----------------------------
Key: XERCESJ-1074
URL: http://issues.apache.org/jira/browse/XERCESJ-1074
Project: Xerces2-J
Type: Bug
Components: DOM
Versions: 2.6.2
Environment: Java 1.4
Reporter: patins
Priority: Critical
Hello,
I have written an open-source XML editor at http://xdoc.sourceforge.net using
Xerces
and have already a fix for following bug:
When executing namespaceFixUp in DOMNormalizer.java,
some attributes can be
added to the element "element", but this is not accounted for
at following statement in DOMNormalizer.java:
...
AttributeMap attributes = (elem.hasAttributes()) ?
(AttributeMap) elem.getAttributes() : null;
// fix namespaces and remove default attributes
if ((fConfiguration.features &
DOMConfigurationImpl.NAMESPACES) !=0) {
// fix namespaces
// normalize attribute values
// remove default attributes
namespaceFixUp(elem, attributes);
} else {
...
If attributes are added, then elem.hasAttributes is true,
although it can be false before so that the variable
"attributes" is still null although there are attributes now!
So just the refresh of "attributes" is lacking after executing namespaceFixUp.
So I have incoporateded following fix (in my program):
.....
AttributeMap attributes = (elem.hasAttributes()) ?
(AttributeMap) elem.getAttributes() : null;
// fix namespaces and remove default attributes
if ((fConfiguration.features &
DOMConfigurationImpl.NAMESPACES) !=0) {
// fix namespaces
// normalize attribute values
// remove default attributes
namespaceFixUp(elem, attributes);
attributes = (elem.hasAttributes()) ? (AttributeMap)
elem.getAttributes() : null; //new line
} else {
.......
(look at the added "attributes =.." statement.)
and this works perfectly then. The error's effect
appeared as I had loaded a dozen of nested schema files of XHTML
modularization.
Greetings
J�rg
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