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Subject: Injection support for client side proxy (jaxws:client) unclear
Date: Fri, 5 Sep 2008 08:21:13 -0400
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Thread-Topic: Injection support for client side proxy (jaxws:client) unclear
Thread-Index: AckPUeMkdzKqRtOIQLmmYUVBobf5jQ==
From: "Wulff, Oliver" <Oliver.Wulff@iona.com>
To: <users@cxf.apache.org>
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Hi there

I develop a custom feature which registers an OutInterceptor which =
invokes another webservice within the handleMessage method. The idea is =
to use injection and configure the jaxws:client bean in the spring =
configuration.

There are two options:
1) set/get Method in Feature class
2) Java Resource annotation in Feature class

Both doesn't work for me.

option 1:
---------

public class MyFeature...
....
public EncryptionInterfaceV10 getEncryptionProxy() {
    return encryptionProxy;
}

public void setEncryptionProxy(EncryptionInterfaceV10 encryptionProxy) {
    this.encryptionProxy =3D encryptionProxy;
}
...

Here the configuration on the client side:
    <cxf:bus>
    	<cxf:features>
    	     <ref bean=3D"MyFeature"/>
        </cxf:features>
    </cxf:bus>
   =20
    <jaxws:client id=3D"encryptionProxyId"
      xmlns:ns1=3D"...."
      serviceClass=3D"..."
      wsdlLocation=3D"...."
      serviceName=3D"..."
      endpointName=3D"...."
      address=3D"..." />
   =20
    <bean id=3D"MyFeature" class=3D"MyFeature">
        <property name=3D"encryptionProxy">
            <ref bean=3D"encryptionProxyId" />
        </property>
    </bean>

When I run the cxf client, I get the following exception:

05.09.2008 13:48:06 org.apache.cxf.bus.spring.SpringBusFactory createBus
WARNUNG: Failed to create application context.
org.springframework.beans.factory.BeanCreationException: Error creating =
bean with name 'cxf': Cannot resolve reference to bean 'PMPFeature' =
while setting bean property 'features' with key [0]; nested exception is =
org.springframework.beans.factory.BeanCreationException: Error creating =
bean with name 'PMPFeature' defined in class path resource [client.xml]: =
Cannot resolve reference to bean 'encryptionProxyId' while setting bean =
property 'encryptionProxy'; nested exception is =
org.springframework.beans.factory.BeanCreationException: Error creating =
bean with name 'encryptionProxyId': Instantiation of bean failed; nested =
exception is =
org.springframework.beans.factory.BeanDefinitionStoreException: Factory =
method [public java.lang.Object =
org.apache.cxf.frontend.ClientProxyFactoryBean.create()] threw =
exception; nested exception is java.lang.NullPointerException
Caused by: org.springframework.beans.factory.BeanCreationException: =
Error creating bean with name 'PMPFeature' defined in class path =
resource [client.xml]: Cannot resolve reference to bean =
'encryptionProxyId' while setting bean property 'encryptionProxy'; =
nested exception is =
org.springframework.beans.factory.BeanCreationException: Error creating =
bean with name 'encryptionProxyId': Instantiation of bean failed; nested =
exception is =
org.springframework.beans.factory.BeanDefinitionStoreException: Factory =
method [public java.lang.Object =
org.apache.cxf.frontend.ClientProxyFactoryBean.create()] threw =
exception; nested exception is java.lang.NullPointerException
Caused by: org.springframework.beans.factory.BeanCreationException: =
Error creating bean with name 'encryptionProxyId': Instantiation of bean =
failed; nested exception is =
org.springframework.beans.factory.BeanDefinitionStoreException: Factory =
method [public java.lang.Object =
org.apache.cxf.frontend.ClientProxyFactoryBean.create()] threw =
exception; nested exception is java.lang.NullPointerException
Caused by: =
org.springframework.beans.factory.BeanDefinitionStoreException: Factory =
method [public java.lang.Object =
org.apache.cxf.frontend.ClientProxyFactoryBean.create()] threw =
exception; nested exception is java.lang.NullPointerException
Caused by: java.lang.NullPointerException

Option 2:
---------

public class MyFeature...
...
    @Resource(name =3D "encryptionProxyId")
    private EncryptionInterfaceV10 encryptionProxy;
...

The proxy instance is null. It looks like that CXF doesn't try to =
initialize it at all.


I don't understand why injection doesn't work in this situation whereas =
it works fine for a jaxws:endpoint bean.

Any ideas?

Thanks
Oliver

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