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https://issues.apache.org/jira/browse/AXIS2-4044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Isuru Eranga Suriarachchi resolved AXIS2-4044.
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       Resolution: Fixed
    Fix Version/s: 1.6

Fixed the issue in trunk.

Thanks,
~Isuru

> NullPointerException on web method with array return value and List parameter
> -----------------------------------------------------------------------------
>
>                 Key: AXIS2-4044
>                 URL: https://issues.apache.org/jira/browse/AXIS2-4044
>             Project: 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
>            Assignee: Isuru Eranga Suriarachchi
>             Fix For: 1.6
>
>         Attachments: ArrayReturnService.jar
>
>
> 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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