CODEWITHSUNDEEP
javagwt
Heniek
Heniek

Reputation: 573

Asynchronous function - error status 0

I execute my async function and before the result I reload the browser I get error - OnFailure(Throwable) is executed. Status error code is 0.

This problem is on FireFox and Chrome.

Could you tell me what this status code means.

do(new AsyncCallback<Boolean>() {
    @Override
    public void onSuccess(Boolean result) {}

    @Override
    public void onFailure(Throwable throw) {
        do_sth();
    }
});

Boolean do() { while(true); }

That also return status error 0

Upvotes: 0

Views: 170

Answers (2)

Keppil
Keppil

Reputation: 46219

You could always define your onFailure() like this (adapted from the GWT API) to be able to handle different kinds of failure nicely:

public void onFailure(Throwable caught) {
  try {
    throw caught;
  } catch (IncompatibleRemoteServiceException e) {
    // this client is not compatible with the server; cleanup and refresh the 
    // browser
  } catch (InvocationException e) {
    // the call didn't complete cleanly
  } catch (YourOwnException e) {
    // take appropriate action
  } catch (Throwable e) {
    // last resort -- a very unexpected exception
  }
}

Upvotes: 0

Thomas Broyer
Thomas Broyer

Reputation: 64541

The 0 status code here means the request has been aborted (it could also denote a network error, or the request timed out).

See http://www.w3.org/TR/XMLHttpRequest/#the-status-attribute and http://www.w3.org/TR/XMLHttpRequest/#error-flag

Upvotes: 1

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