javascript - XHR cross-domain error on the same domain (localhost) -

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explanation:

i have small web application running on apache server on machine uses javascript xhr's. long time worked no problems, today xhr's stopped working on localhost, if access outside works perfectly.

problem:

using mozilla firefox, firebug warns:

"cross-origin request blocked: same origin policy disallows reading remote resource @ http://127.0.0.1:3581/datasnap/rest/tdssmloteamento/getloteamento/true/. can fixed moving resource same domain or enabling cors."

but i'm on localhost acessing local content have xhr calls local datasnap server on same machine, resuming, locally fails, , web works.

comments:

i acessing apache web page within url: http://127.0.0.1:3582/beewebloteamento/principal.php

this totally, really, weird me, not make sense, no-logic, why cross-domain error if i'm acessing same domain?

objective:

i want know happening , solve problem continue doing xhr's locally , via web (external) too.

i found solution/problem, is:

replaced 127.0.0.1 192.168.25.100(that local machine ip) , worked fine, request was:

http://127.0.0.1:3581/datasnap/rest/tdssmloteamento/getloteamento/true/

and became:

http://192.168.25.100:3581/datasnap/rest/tdssmloteamento/getloteamento/true/

and acessed web application (apache) within url:

http://192.168.25.100:3582/beewebloteamento/principal.php

resuming:

to avoid these cross-domain problems, use local ip address of machine "that starts 192.168.xxx.xxx" access hosted on it, nor xhr either apache, instead of using 127.0.0.1 or localhost


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