Hi
I commented on issue #411 (GWT edition masks response code and headers for 302
responses).
I wonder if this is confirmed. I cannot figure out how to handle status "404
Not found" or "3xx Redirection".
For instance, I am using Google Federated login and the user gets redirect to
the login page. All fine when you are serving HTML but when the GWT proxy
expects a GWT serialized object, it chokes and throws an exception. The
onFailure callback is called and all I am left with is an error message. While
if I would know this is 302, I can reload the interface and ask to login again
because the session expired.
Similar story for e.g. 404 when calling an API. That's not a failure, the data
was deleted and I want to handle this like an OptimisticLockException.
For BusinessRuleExceptions (which could be e.g. validations that I cannot
verify on the client but that are detected on the server), my API sends a 400 -
Bad Request. This is done in a custom StatusService. Even better, I would like
to send a serialized BusinessRuleException back to the client along with error
status code. But anything but 20x Sucess respones seem to end in onFailure.
If I jump into the code generated by deferred binding of the GWT module, I see
this :
if (getClientResource().getStatus().isError()) {
callback.onFailure(new
ResourceException(getClientResource().getStatus()));
} else {
....
}
So IMO, any useful information about status code or response entity in case of
a error status code is not passed on to the client.
Thx
Koen
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