NPE in ClientProxyFactoryBean on void methods 
----------------------------------------------

                 Key: CXF-1737
                 URL: https://issues.apache.org/jira/browse/CXF-1737
             Project: CXF
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.1.1
            Reporter: Andreas Benneke


If you try to access a service containing a method returning nothing (void), 
the ClientProxyFactoryBean fails with a NullPointerException:

Exception in thread "main" java.lang.NullPointerException
        at 
org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeParameter(ReflectionServiceFactoryBean.java:643)
        at 
org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeClassInfo(ReflectionServiceFactoryBean.java:609)
        at 
org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeWSDLOperation(ReflectionServiceFactoryBean.java:540)
        at 
org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeWSDLOperations(ReflectionServiceFactoryBean.java:510)
        at 
org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromWSDL(ReflectionServiceFactoryBean.java:305)
        at 
org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:394)
        at 
org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:181)
        at 
org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:79)
        at 
org.apache.cxf.frontend.ClientFactoryBean.create(ClientFactoryBean.java:51)
        at 
org.apache.cxf.frontend.ClientProxyFactoryBean.create(ClientProxyFactoryBean.java:97)

If you change the method returning something or eliminate the method 
altogether, everything works fine...

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