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From "KARR, DAVID (ATTSI)" <dk0...@att.com>
Subject RE: Unit test returning json fails to parse response
Date Tue, 12 Jul 2011 16:11:14 GMT
> -----Original Message-----
> From: Sergey Beryozkin [mailto:sberyozkin@gmail.com]
> Sent: Tuesday, July 12, 2011 8:57 AM
> To: users@cxf.apache.org
> Subject: Re: Unit test returning json fails to parse response
> 
> Hi David
> 
> On Tue, Jul 12, 2011 at 4:28 PM, KARR, DAVID (ATTSI) <dk068x@att.com>
> wrote:
> > I'm building a service using CXF 2.4.1 by reusing most of the setup
> of a project that was using CXF 2.3.2.  The first project was using
> Jackson, but I'm going to try using Jettison for this.
> >
> > My first unit test method uses the default of xml, and that parses
> the response just fine.  The second method uses the ".json" extension,
> and I see in the console output that it returned a Jettison-formatted
> JSON response (it had the namespace prefix on the element name), but it
> just said this (class name changed):
> >
> > Jul 12, 2011 8:12:15 AM org.apache.cxf.jaxrs.client.AbstractClient
> reportMessageHandlerProblem
> > SEVERE: .Problem with reading the response message, class : class
> mypackage.Myclass, ContentType : application/json.
> >
> 
> In this case you should get ClientWebApplicationException thrown
> containing the cause, can you update the code and catch it ? The
> exception is coming from the reader, I'm wondering if it's default
> JSON provider or not. JAXB provider is ordered first in 2.4.1, so
> without WebClient explicitly specifying accept type, it may be
> interfering given that MyClass is presumably a JAXB bean

The stack trace follows this.  It looks like I need to set up a namespace mapping in my factory,
and in my client, and probably in my Spring context also.

org.apache.cxf.jaxrs.client.ClientWebApplicationException: .Problem with reading the response
message, class : class com.att.clarity.constellation.domain.Projects, ContentType : application/json.
	at org.apache.cxf.jaxrs.client.AbstractClient.reportMessageHandlerProblem(AbstractClient.java:589)
	at org.apache.cxf.jaxrs.client.AbstractClient.readBody(AbstractClient.java:438)
	at org.apache.cxf.jaxrs.client.WebClient.handleResponse(WebClient.java:710)
	at org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:694)
	at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:634)
	at org.apache.cxf.jaxrs.client.WebClient.invoke(WebClient.java:325)
	at org.apache.cxf.jaxrs.client.WebClient.get(WebClient.java:392)
	at com.att.constellation.content.ClarityProjectsControllerTest.testBasicJson(ClarityProjectsControllerTest.java:66)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.mockito.internal.runners.JUnit45AndHigherRunnerImpl.run(JUnit45AndHigherRunnerImpl.java:37)
	at org.mockito.runners.VerboseMockitoJUnitRunner.run(VerboseMockitoJUnitRunner.java:72)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: javax.ws.rs.WebApplicationException: java.lang.NullPointerException
	at org.apache.cxf.jaxrs.provider.JSONProvider.readFrom(JSONProvider.java:217)
	at org.apache.cxf.jaxrs.client.AbstractClient.readBody(AbstractClient.java:435)
	... 32 more
Caused by: java.lang.NullPointerException
	at org.codehaus.jettison.Node.getNamespaceURI(Node.java:94)
	at org.codehaus.jettison.AbstractXMLStreamReader.getNamespaceURI(AbstractXMLStreamReader.java:133)
	at org.apache.cxf.staxutils.DepthXMLStreamReader.getNamespaceURI(DepthXMLStreamReader.java:135)
	at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:232)
	at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:176)
	at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:360)
	at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:332)
	at org.apache.cxf.jaxrs.provider.JSONProvider.readFrom(JSONProvider.java:197)
	... 33 more

> 
> Cheers, Sergey
> 
> > I'm referencing "cxf-rt-transports-http" and "cxf-rt-frontend-jaxrs"
> in my POM.
> >
> > The following is in my unit test class (with some class names and
> paths changed):
> > ------------------------
> >    @BeforeClass
> >    public static void startServer() {
> >        setController(new StuffController());
> >        getController().init();
> >
> >        ServerFactory.create(getController(),
> TestHelper.BASE_SERVICE_URI);
> >    }
> >
> >    @Test
> >    public void testBasic() throws Exception {
> >        getController().setService(service);
> >
> >        WebClient   client  =
> WebClient.create(TestHelper.BASE_SERVICE_URI).path("/stuff");
> >
> >        Stuffs    mockStuffs    = new Stuffs();
> >        when(service.getStuff()).thenReturn(mockStuffs);
> >
> >        Stuffs    stuffs    = client.get(Stuffs.class);
> >        assertThat(stuffs).isNotNull();
> >    }
> >
> >    @Test
> >    public void testBasicJson() throws Exception {
> >        getController().setService(service);
> >
> >        WebClient   client  =
> WebClient.create(TestHelper.BASE_SERVICE_URI).path("/stuff.json");
> >
> >        Stuffs    mockStuffs    = new Stuffs();
> >        when(service.getStuff()).thenReturn(mockStuffs);
> >
> >        Stuffs    stuffs    = client.get(Stuffs.class);
> >        assertThat(stuffs).isNotNull();
> >    }
> > ---------------
> >
> > This is my ServerFactory class:
> > ----------------------
> > public class ServerFactory {
> >    public static void create(Object serviceBean, String uri) {
> >        JAXRSServerFactoryBean  sf  = new JAXRSServerFactoryBean();
> >
> >        BindingFactoryManager   manager =
> sf.getBus().getExtension(BindingFactoryManager.class);
> >        JAXRSBindingFactory     factory = new JAXRSBindingFactory();
> >        factory.setBus(sf.getBus());
> >
>  manager.registerBindingFactory(JAXRSBindingFactory.JAXRS_BINDING_ID,
> factory);
> >
> >        Map<Object, Object> extensionsMap   = new HashMap<Object,
> Object>();
> >        extensionsMap.put("json", "application/json");
> >        extensionsMap.put("xml", "application/xml");
> >
> >        sf.setExtensionMappings(extensionsMap);
> >
> >        sf.setServiceBean(serviceBean);
> >        sf.getInInterceptors().add(new LoggingInInterceptor());
> >        sf.getOutInterceptors().add(new LoggingOutInterceptor());
> >
> >        sf.setAddress(uri);
> >
> >        sf.create();
> >    }
> > }
> > --------------------
> >
> 
> 
> 
> --
> Sergey Beryozkin
> 
> http://sberyozkin.blogspot.com
> Talend - http://www.talend.com

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