XHR Abort: Abort Ajax requests using jQuery var xhr = $. ( This is good practice for a single page application if you don't want AJAX calls returning and attempting to reference objects that have been destroyed.) As mentioned in the marked answer, a firewall would also be capable of cancelling the request and trigger this 0 response. Flashcode 0 httpstatus 200 actionname endstage Flashcode 0 http status 20 actionname endstage Flashcode2032httpstatus action name startstage Flashcode 0 httpstatus. abort() on an XMLHttpRequest object to cancel the AJAX call. A timeout is common, it means the request failed to execute within a specified time. This can happen either from a timeout, XHR abortion or a firewall stomping on the request. Indeed, sometimes status=0 will accompany a helpful console message, but in others there is no other information.Īn HTTP response code of 0 indicates that the AJAX request was cancelled. What would be helpful would be for browsers to provide detailed error reporting for more of these status=0 scenarios. An installed browser extension is mucking things up.As respostas são agrupadas em cinco classes: Respostas de informação ( 100 - 199 ), Respostas de sucesso ( 200 - 299 ), Redirecionamentos ( 300 - 399) Erros do cliente ( 400 - 499) Erros do servidor ( 500 - 599 ). The request itself was cancelled in code Os códigos de status das respostas HTTP indicam se uma requisição HTTP foi corretamente concluída.Illegal cross origin request (see CORS).Some of the common situations that produce this status code are reflected in the other answers but it could be any or none of these problems: Los endpoints POST suelen devolver HttpStatus.CREATED o código 201 para indicar la creación exitosa del registro. The actual W3C spec defines the conditions for which zero is returned here:Īs you can see from the spec (fetch or XmlHttpRequest) this code could be the result of an error that happened even before the server is contacted. El enumerado HttpStatus.OK indica código de estado 200 que es el que suele devolver por defecto todos los endpoints cuando la operación sale exitosamente. Practically speaking, status=0 for a failed XmlHttpRequest should be considered an undefined error. It seems people figure out what was causing status=0 in their particular case and then generalize that as the answer.
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