NullPointerException in WSIFMarshaller.isSimpleType()
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         Key: SM-358
         URL: http://jira.activemq.org/jira//browse/SM-358
     Project: ServiceMix
        Type: Bug

    Reporter: Ken Berthelot
 Attachments: WSIFMarshaler.java

There is a logic flaw in WSIFMarshaller.isSimpleType() that causes a 
NullPointerException for wsdl messages that use complex types.  The current 
logic assumes the existence of a "type" attribute for the "part" element. (e.g. 
<wsdl:part name="key" type="xsd:string"/>).  For messages that use complex 
types, the "element" attribute is used in place of the "type" attribute. (e.g. 
<wsdl:part name="key" element="tns:lookup" />).  The following code results in 
a NullPointerException for complex types:

QName typeName = part.getTypeName();
return "http://www.w3.org/2001/XMLSchema".equals(typeName.getNamespaceURI());

I've attached a patch that checks for typeName == null.  The resulting code 
will return false for any case except where 
"http://www.w3.org/2001/XMLSchema".equals(typeName.getNamespaceURI().

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