Re: [Caja] Error opening a url

[Kevin Reid]

On Fri, Jan 2, 2015 at 3:58 PM, Vasilis Sikkis <sikkis...@gmail.com> wrote:

can anyone explain to me how to fixthis problem? 

WARNING(4) FAILED_TO_LOAD_EXTERNAL_URL: unknown:///unknown:0+0: failed to load external url

i have the js file in server of my university but i cant load it to the caja.load() function right. pls help me

Unfortunately, we don't have a provision for better explanations of failure to load.

The most likely cause is that you haven't specified a permissive network access policy. The policy is the second argument to caja.load(); try using caja.policy.net.ALL there.

If that doesn't help, please provide a short, complete, runnable code sample that demonstrates the problem so we can understand the problem better.

[Kevin Reid]

On Sat, Feb 7, 2015 at 7:52 AM, Vasilis Sikkis <sikkis...@gmail.com> wrote:

Im trying the tutorial examples on the caja website i put the tutorials in my server space but the caja.policy.net.ALL policy does not fix the problem.

Can you provide a link to your server so we can take a look at what's going on?

[Kevin Reid]

No, Caja doesn't have special requirements of the web server its files are on.

Oh, but maybe you have a cross-origin policy. If you're trying to load content using Caja from a third-party site (rather, one with a different domain name), then either you need to use a proxy (there's one supplied with Caja, but it's a bit of a mess), download the content via your own server first and provide it to Caja as a string, or have the other site allow access via CORS (Access-Control-Allow-Origin header).

If that's the problem, then there will be a message in your JavaScript console complaining about the lack of Access-Control-Allow-Origin.

If that's not the problem, we'll still need more information to go on. A complete copy of what's in the JavaScript console on the page that's trying to use Caja would be a good starting point.

On Sat, Mar 21, 2015 at 10:10 AM, Vasilis Sikkis <sikkis...@gmail.com> wrote:

Does the server needs to have any special requirements?  Can you provide me with an example with a code that is not provided in the caja server?

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