[jira] [Created] (CXF-3581) CXF JAX-RS Client Null Pointer Exception

[Shaun Elliott (JIRA)]

CXF JAX-RS Client Null Pointer Exception
----------------------------------------

                 Key: CXF-3581
                 URL: https://issues.apache.org/jira/browse/CXF-3581
             Project: CXF
          Issue Type: Bug
          Components: JAX-RS
    Affects Versions: 2.4
         Environment: Apache Maven 3.0.3 (r1075438; 2011-02-28 09:31:09-0800)
Maven home: C:\Program Files\apache-maven-3.0.3\bin\..
Java version: 1.6.0_23, vendor: Sun Microsystems Inc.
Java home: C:\Program Files (x86)\Java\jdk1.6.0_23\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "x86", family: "windows"
            Reporter: Shaun Elliott


I am trying to use the Apache CXF JAX-RS Client API code found 
http://cxf.apache.org/docs/jax-rs-client-api.html#JAX-RSClientAPI-ProxybasedAPI.
 However, when I run the client it throws this:

{code}
Exception in thread "main" java.lang.NullPointerException
    at java.util.HashMap.<init>(HashMap.java:223)
    at 
org.restlet.ext.jaxrs.internal.core.ResponseBuilderImpl.clone(ResponseBuilderImpl.java:126)
    at 
org.restlet.ext.jaxrs.internal.core.ResponseBuilderImpl.clone(ResponseBuilderImpl.java:62)
    at 
org.apache.cxf.jaxrs.client.AbstractClient.setResponseBuilder(AbstractClient.java:374)
    at 
org.apache.cxf.jaxrs.client.ClientProxyImpl.handleResponse(ClientProxyImpl.java:451)
    at 
org.apache.cxf.jaxrs.client.ClientProxyImpl.doChainedInvocation(ClientProxyImpl.java:445)
    at 
org.apache.cxf.jaxrs.client.ClientProxyImpl.invoke(ClientProxyImpl.java:177)
    at $Proxy12.foo(Unknown Source)
    at com.paml.JaxTestClient.main(JaxTestClient.java:20)
{code}

This is my client:

{code}
public class JaxTestClient {

    public static void main( String[] args ) {
        // Works with Restlet API - but paths are not mapped automatically
        // JaxExampleEcho jaxExampleEcho = ClientResource.create( 
"http://localhost:8111/";, JaxExampleEcho.class );

        JaxExampleEcho jaxExampleEcho = JAXRSClientFactory.create( 
"http://localhost:8111/";, JaxExampleEcho.class );
        System.out.println( jaxExampleEcho.foo() );
        System.out.println( jaxExampleEcho.bar() );
        System.out.println( jaxExampleEcho.baz() );
    }
}
{code}

And here is my interface:
{code}
@Path( "/" )
public interface JaxExampleEcho {

    @GET
    @Path( "foo" )
    @Produces( "text/plain" )
    String foo();

    @GET
    @Path( "bar" )
    @Produces( "text/plain" )
    String bar();

    @GET
    @Path( "baz" )
    @Produces( "text/plain" )
    String baz();

}
{code}

I can see the requests hitting the right url server side.

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