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From "Thorsten Jungblut (JIRA)" <axis-...@ws.apache.org>
Subject [jira] Created: (AXIS-1641) NullPointerException with JDK 1.5
Date Wed, 03 Nov 2004 09:44:32 GMT
NullPointerException with JDK 1.5
---------------------------------

         Key: AXIS-1641
         URL: http://nagoya.apache.org/jira/browse/AXIS-1641
     Project: Axis
        Type: Bug
    Versions: 1.1    
 Environment: JDK1.5 on both Linux and Windows XP SP1
    Reporter: Thorsten Jungblut
    Priority: Critical


I get the following exception if using JDK 1.5:

java.lang.NullPointerException
	at org.apache.axis.AxisFault.makeFault(AxisFault.java:129)
	at org.apache.axis.client.Call.invoke(Call.java:2213)
	at org.apache.axis.client.Call.invoke(Call.java:2133)
	at org.apache.axis.client.Call.invoke(Call.java:1656)
        <some of my own classes>
Caused by: java.lang.NullPointerException
	at java.util.Hashtable.put(Hashtable.java:396)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.setProperty(SAXParserImpl.java:385)
	at org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:246)
	at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
	at org.apache.axis.Message.getSOAPEnvelope(Message.java:377)
	at org.apache.axis.client.Call.invokeEngine(Call.java:2545)
	at org.apache.axis.client.Call.invoke(Call.java:2515)
	at org.apache.axis.client.Call.invoke(Call.java:2210)
	... 8 more

Looking into the sources, this seems to be the problem:

org.apache.axis.encoding.DeserializationContextImpl.parse():

            SAXParser parser = XMLUtils.getSAXParser();
            try {
                parser.setProperty("http://xml.org/sax/properties/lexical-handler", this);
                parser.parse(inputSource, this);

                try {
                    // cleanup - so that the parser can be reused.
                    parser.setProperty("http://xml.org/sax/properties/lexical-handler", null);
                } catch (SAXException se){
                    // Ignore.
                }

The setProperty("..",null) call throws a NPE if JDK1.5's internal Xerces implementation is
used.
I don't know wheter this is a bug of xerces or axis.




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