Java.lang.ClassCastException: Mockito

[purna pradeep]

why jaxrs.Response  get() is throwing Class cast exception...

my test method 

 

   

 @Spy
     MyDataAccess dataaccess;
     @Mock
     MyDataAccess dataaccess1;


    MyGetResponse resp = new MyGetResponse();
   
    URI uri = UriBuilder.fromUri(“myurlstring").build();
   
    when(dataaccess.buildWebTarget(“test", uri)).thenReturn(webTarget);
   
    when(dataaccess.getResponse(webTarget)).thenReturn(resp);
    //no classcast exception here
   
    MyGetResponse actualResp = dataaccess1.retrievedata(“tst", “23”);
    // getting class cast exception here when getResponse invoked
    // internally in this method retrievedata

methods implementation in my Dataaccess class

 

  protected MyGetResponse retrievedata(String env,String Id){
       
        URI uri = UriBuilder.fromUri(“myurlstring").build();
       
        WebTarget webTarget = buildWebTarget(“test", uri );
        // web target is built in another method...
   
       
    }


   
    protected MyGetResponse getResponse(WebTarget webtarget){
   
        Builder builder = webTarget.request();
        return builder.accept(MediaType.APPLICATION_JSON)
                              .accept(MediaType.APPLICATION_XML)
             .get(MyGetResponse.class);
                              // getting classcast exception here
        }
       
    }

not getting class cast exception when mocking but getting when actual method is executed..

Java.lang.ClassCastException: org.mockito.internal.creation.jmock.ClassImposterizer$ClassWithSuperclassToWorkAroundCglibBug$$EnhancerByMockitoWithCGLIB$$7159ca18 cannot be cast to MyGetResponse

[purna pradeep]

[Brice Dutheil]

Hi Pradeep,

We miss both the full stacktrace and too much code to understand what's wrong here. But it seems that some method is not mocked correctly as it returns a mock that doesn't have the right interfaces set.

-- Brice

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