Do the calls work right in curl, or a browser REST client testing plugin, or some other place? Do they return what's really expected?
Matthew.
--
Sent from my mobile device.
Noritaka Sekiyama <moomindani_at_gmail.com> wrote:
>Hello Jersey Users,
>
>I'm trying to implement REST Client for 3 online strage services
>(Dropbox, GoogleDrive and SkyDrive) with Jersey 2.0.
>In order to get JSON metadata and convert JSON to DTO by MOXy, I made
>following code.
>
>-----------------------------------------
>Client client = ClientBuilder.newBuilder()
>.register(MoxyJsonFeature.class)
>.register(JsonMoxyConfigurationContextResolver.class)
>.build();
>WebTarget target = client.target(targetUrl);
>Response response =
>target.request(MediaType.APPLICATION_JSON_TYPE).get();
>assert response.getStatus() == 200;
>//System.out.println(response.readEntity(String.class));
>GoogleDriveMetadata metadata =
>response.readEntity(GoogleDriveMetadata.class);
>-----------------------------------------
>
>I confirm that this code works fine in Dropbox, but does not work in
>GoogleDrive and SkyDrive because of NPE.
>(Stack trace in case of GoogleDrive is shown at the end of this
>message. )
>
>Please tell me how to avoid NPE in the method Response.readEntity().
>
>-----------------------------------------
>java.lang.reflect.InvocationTargetException
>at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>at
>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>at
>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>at java.lang.reflect.Method.invoke(Method.java:606)
>at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:297)
>at java.lang.Thread.run(Thread.java:724)
>Caused by: java.lang.NullPointerException
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parse(JSONReader.java:264)
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parse(JSONReader.java:443)
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parse(JSONReader.java:296)
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parse(JSONReader.java:443)
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parse(JSONReader.java:424)
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parse(JSONReader.java:241)
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parseRoot(JSONReader.java:179)
>at
>org.eclipse.persistence.internal.oxm.record.json.JSONReader.parse(JSONReader.java:125)
>at
>org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal(SAXUnmarshaller.java:972)
>at
>org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal(SAXUnmarshaller.java:425)
>at
>org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal(SAXUnmarshaller.java:635)
>at
>org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal(SAXUnmarshaller.java:703)
>at
>org.eclipse.persistence.oxm.XMLUnmarshaller.unmarshal(XMLUnmarshaller.java:655)
>at
>org.eclipse.persistence.jaxb.JAXBUnmarshaller.unmarshal(JAXBUnmarshaller.java:301)
>at
>org.eclipse.persistence.jaxb.rs.MOXyJsonProvider.readFrom(MOXyJsonProvider.java:580)
>at
>org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$TerminalReaderInterceptor.aroundReadFrom(ReaderInterceptorExecutor.java:188)
>at
>org.glassfish.jersey.message.internal.ReaderInterceptorExecutor.proceed(ReaderInterceptorExecutor.java:134)
>at
>org.glassfish.jersey.message.internal.MessageBodyFactory.readFrom(MessageBodyFactory.java:988)
>at
>org.glassfish.jersey.message.internal.InboundMessageContext.readEntity(InboundMessageContext.java:833)
>at
>org.glassfish.jersey.message.internal.InboundMessageContext.readEntity(InboundMessageContext.java:768)
>at
>org.glassfish.jersey.client.InboundJaxrsResponse.readEntity(InboundJaxrsResponse.java:96)
>at
>org.glassfish.jersey.client.ScopedJaxrsResponse.access$001(ScopedJaxrsResponse.java:56)
>at
>org.glassfish.jersey.client.ScopedJaxrsResponse$1.call(ScopedJaxrsResponse.java:77)
>at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
>at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
>at org.glassfish.jersey.internal.Errors.process(Errors.java:228)
>at
>org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:396)
>at
>org.glassfish.jersey.client.ScopedJaxrsResponse.readEntity(ScopedJaxrsResponse.java:74)
>at
>com.clouddrive.google.GoogleDriveController.getFileList(GoogleDriveController.java:113)
>at
>com.clouddrive.google.GoogleDriveController.main(GoogleDriveController.java:182)
>... 6 more