Angular struggles to interpret Spring response

I'm encountering an issue with receiving a response message from a Spring RESTful web service to an AngularJS client. When using ResponseEntity<String> to send a response, everything works fine when only returning a status code. However, AngularJS throws an error (Unexpected token R) when I include a response message in the body.

What could be causing this problem?

return new ResponseEntity<String>(HttpStatus.OK);

But when trying to return a message along with the status code:

return new ResponseEntity<String>("Report was updated successfully", HttpStatus.OK);

Snippet of AngularJS code:

$http.get(url, header)
    .success(function(data, status, headers, config) {
        // handle success
    }).error(function(resp, status) {
        // handle error
    });

The current response is blank.

Answer №1

Does Angular require JSON or HTML/text as a response?

In previous instances, I have encountered difficulties when returning text/javascript or application/json instead of text/html. It seems that Angular specifically expects JSON or JSONP in those cases, which is why you may receive an Unexpected Token R error (referring to the first letter of your response string).

To provide a more accurate answer, it would be helpful to know whether you are utilizing JSONP or JSON for your data exchange.

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