Program: 33233
Project: 33233
Buggy source:
private void handleEntityDispatching(final ODataRequest request,final ODataResponse response,final boolean isCollection,final boolean isMedia) throws ODataApplicationException, ODataLibraryException {
  final HttpMethod method=request.getMethod();
  if (isCollection) {
    if (method == HttpMethod.GET) {
      final ContentType requestedContentType=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.COLLECTION_ENTITY);
      handler.selectProcessor(EntityCollectionProcessor.class).readEntityCollection(request,response,uriInfo,requestedContentType);
    }
 else     if (method == HttpMethod.POST) {
      final ContentType requestFormat=ContentType.parse(request.getHeader(HttpHeader.CONTENT_TYPE));
      final ContentType responseFormat=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.ENTITY);
      if (isMedia) {
        handler.selectProcessor(MediaEntityProcessor.class).createMediaEntity(request,response,uriInfo,requestFormat,responseFormat);
      }
 else {
        checkContentTypeSupport(requestFormat,RepresentationType.ENTITY);
        handler.selectProcessor(EntityProcessor.class).createEntity(request,response,uriInfo,requestFormat,responseFormat);
      }
    }
 else {
      throw new ODataHandlerException("String_Node_Str" + method + "String_Node_Str",ODataHandlerException.MessageKeys.HTTP_METHOD_NOT_ALLOWED,method.toString());
    }
  }
 else {
    if (method == HttpMethod.GET) {
      final ContentType requestedContentType=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.ENTITY);
      handler.selectProcessor(EntityProcessor.class).readEntity(request,response,uriInfo,requestedContentType);
    }
 else     if (method == HttpMethod.PUT || method == HttpMethod.PATCH) {
      validatePreconditions(request,false);
      final ContentType requestFormat=ContentType.parse(request.getHeader(HttpHeader.CONTENT_TYPE));
      checkContentTypeSupport(requestFormat,RepresentationType.ENTITY);
      final ContentType responseFormat=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.ENTITY);
      handler.selectProcessor(EntityProcessor.class).updateEntity(request,response,uriInfo,requestFormat,responseFormat);
    }
 else     if (method == HttpMethod.DELETE) {
      validatePreconditions(request,false);
      handler.selectProcessor(isMedia ? MediaEntityProcessor.class : EntityProcessor.class).deleteEntity(request,response,uriInfo);
    }
 else {
      throw new ODataHandlerException("String_Node_Str" + method + "String_Node_Str",ODataHandlerException.MessageKeys.HTTP_METHOD_NOT_ALLOWED,method.toString());
    }
  }
}

Fixed version (ground truth):
private void handleEntityDispatching(final ODataRequest request,final ODataResponse response,final boolean isCollection,final boolean isMedia) throws ODataApplicationException, ODataLibraryException {
  final HttpMethod method=request.getMethod();
  if (isCollection) {
    if (method == HttpMethod.GET) {
      final ContentType requestedContentType=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.COLLECTION_ENTITY);
      handler.selectProcessor(EntityCollectionProcessor.class).readEntityCollection(request,response,uriInfo,requestedContentType);
    }
 else     if (method == HttpMethod.POST) {
      final ContentType requestFormat=ContentType.parse(request.getHeader(HttpHeader.CONTENT_TYPE));
      final ContentType responseFormat=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.ENTITY);
      if (isMedia) {
        handler.selectProcessor(MediaEntityProcessor.class).createMediaEntity(request,response,uriInfo,requestFormat,responseFormat);
      }
 else {
        checkContentTypeSupport(requestFormat,RepresentationType.ENTITY);
        handler.selectProcessor(EntityProcessor.class).createEntity(request,response,uriInfo,requestFormat,responseFormat);
      }
    }
 else {
      throw new ODataHandlerException(getMethodNotAllowedStringMessage(method),ODataHandlerException.MessageKeys.HTTP_METHOD_NOT_ALLOWED,method.toString());
    }
  }
 else {
    if (method == HttpMethod.GET) {
      final ContentType requestedContentType=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.ENTITY);
      handler.selectProcessor(EntityProcessor.class).readEntity(request,response,uriInfo,requestedContentType);
    }
 else     if (method == HttpMethod.PUT || method == HttpMethod.PATCH) {
      validatePreconditions(request,false);
      final ContentType requestFormat=ContentType.parse(request.getHeader(HttpHeader.CONTENT_TYPE));
      checkContentTypeSupport(requestFormat,RepresentationType.ENTITY);
      final ContentType responseFormat=ContentNegotiator.doContentNegotiation(uriInfo.getFormatOption(),request,handler.getCustomContentTypeSupport(),RepresentationType.ENTITY);
      handler.selectProcessor(EntityProcessor.class).updateEntity(request,response,uriInfo,requestFormat,responseFormat);
    }
 else     if (method == HttpMethod.DELETE) {
      validatePreconditions(request,false);
      handler.selectProcessor(isMedia ? MediaEntityProcessor.class : EntityProcessor.class).deleteEntity(request,response,uriInfo);
    }
 else {
      throw new ODataHandlerException(getMethodNotAllowedStringMessage(method),ODataHandlerException.MessageKeys.HTTP_METHOD_NOT_ALLOWED,method.toString());
    }
  }
}