[jira] Created: (XERCESJ-1007) AbstractMethodError is not caught in DOMSerializerImpl.writeToString() and ...

[xe...@xml.apache.org]

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  A new issue has been created in JIRA.

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View the issue:
  http://issues.apache.org/jira/browse/XERCESJ-1007

Here is an overview of the issue:
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        Key: XERCESJ-1007
    Summary: AbstractMethodError is not caught in DOMSerializerImpl.writeToString() and ...
       Type: Bug

     Status: Unassigned
   Priority: Major

    Project: Xerces2-J
 Components: 
             Serialization
   Versions:
             2.6.2

   Assignee: 
   Reporter: Yoon Kyung Koo

    Created: Mon, 6 Sep 2004 9:15 AM
    Updated: Mon, 6 Sep 2004 9:15 AM
Environment: XML-XERCES CVS snapshot as of Sep. 7, 2004
jdk 1.4.2_04
windows 2000 sp4

Description:
The DOMSerializerImpl uses reflection to check whether "getXmlVersion" method or "getInputEncoding", ... exists in the Document implementation class of some given dom node in the writeToString(), write(), writeToURI() methods.
The problem is that when the DOM node is not a Xerces dom node then the checking line can throw an AbstractMethodError and we only catch Exception.
I think that those "catch (Exception e)" should be changed with "catch (Throwable t)".

current codes are...
        // this should run under JDK 1.1.8...
        try {
            getXmlVersion =
                fDocument.getClass().getMethod("getXmlVersion", new Class[] {});
            if (getXmlVersion != null) {
                ver = (String) getXmlVersion.invoke(fDocument, (Object[]) null);
            }
        } catch (Exception e) { <- I think these are problems.
            // no way to test the version...
            // ignore the exception
        }



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