NullPointerException on web method with array return value and List parameter
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                 Key: AXIS2-4044
                 URL: https://issues.apache.org/jira/browse/AXIS2-4044
             Project: Axis 2.0 (Axis2)
          Issue Type: Bug
          Components: jaxws
    Affects Versions: 1.4.1
         Environment: Windows 2003 server 64 bit, Tomcat 5.5.26, JDK 1.5.0_10
            Reporter: Steve Park


I've deployed a JAXWS web service that uses JAXB binding classes on the client 
and the server.  I get a NullPointerException when attempting to call a web 
method with the following signature:

public String[] webMethod(Object token, List<String> listParam, boolean 
boolParam)

I traced the problem to the setReturnType method of the 
org.apache.axis2.jaxws.description.builder.converter.JavaMethodsToMDCConverter 
class.  Instead of returning an array class as the type, the 
method.getGenericReturnType() method returns a GenericTypeArrayImpl object.  
Since this type isn't handled in the if clause of the setReturnType method, the 
return type on the web method is set to null.

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