 | | | Commented: (XERCESJ-1178) Error getting prefix for an attribute with no n | Commented: (XERCESJ-1178) Error getting prefix for an attribute with no n 2006-08-21 - By Michael Glavassevich (JIRA)
[ http://issues.apache.org/jira/browse/XERCESJ-1178?page=comments#action
_12429337 ]
Michael Glavassevich commented on XERCESJ-1178:
-----------------------------------------------
I just committed your patch. It looks pretty good though I did run into a
couple problems when I tried running with the changes. The stack in the
namespace context was underflowing because it wasn't pushing on the start of
the root element. I "fixed" that by ensuring that the ArrayList is always non
-null though I'm not sure that's what you were intending to do here.
java.util.EmptyStackException
at java.util.Stack.peek(Stack.java:85)
at java.util.Stack.pop(Stack.java:67)
at org.apache.xerces.stax.NamespaceContextImpl.onEndElement
(NamespaceContextImpl.java:79)
at org.apache.xerces.stax.DOMXMLStreamReaderImpl.initialElementAttrs
(DOMXMLStreamReaderImpl.java:318)
at org.apache.xerces.stax.DOMXMLStreamReaderImpl.next(DOMXMLStreamReaderImpl
.java:212)
at XMLStreamReaderTest.process(XMLStreamReaderTest.java:62)
at XMLStreamReaderTest.main(XMLStreamReaderTest.java:31)
The other issue is with the AsyncSAXParser thread. It seems like it never
terminates. I noticed that because the JVM wasn't exiting at the end of my test
program. I've made it a deamon thread so that the JVM exits but there's still a
threading problem there. Perhaps the call to the parse method on the XMLReader
never returns?
In the fix that you made in SAXXMLStreamReader.initialElementAttrs() you added
a check for duplicate attributes that I didn't understand. A SAX parser already
does this well-formedness check. Is there a reason for doing that again in the
XMLStreamReader?
> Error getting prefix for an attribute with no namespace
> -------------------------------------------------------
>
> Key: XERCESJ-1178
> URL: http://issues.apache.org/jira/browse/XERCESJ-1178
> Project: Xerces2-J
> Issue Type: Bug
> Components: StAX
> Affects Versions: 2.8.0
> Reporter: Lucian Holland
> Assigned To: Michael Glavassevich
> Attachments: stax_patch_8.19.zip
>
>
> The initialElementAttrs() method of SAXXMLStreamReader sets the prefix of
attributes to null if it finds no colon in the attribute name; the problem with
this is that getAttributeNamespace() uses this prefix when looking up the
namespace uri with a call to getNamespaceURI on the NamespaceContextImpl, and
this method throws an IllegalArgumentException if null is passed in.
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