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Thread: Microloader development.js failed to load

  1. #1

    Default Microloader development.js failed to load

    Hello, I am following the new vimeo training video Installed new Sencha Cmd and Touch SDK. I used the command to generate the skeleton app inside the myapp directory.

    sencha -sdk touch-2.3.0 generate app myapp myapp

    I am trying to load the skeleton app in my browser http://localhost/myapp and the screen halts with the loader "3 dots" flashing.

    I checked the console and the error is - "Failed to load resource: the server responded with a status of 403 (Forbidden)."
    The file that failed to load is myapp/.sencha/app/microloader/development.js

    The file exists in the directory structure. I am using Nginx / Windows 7 / Chrome browser. The same error in other browsers.

    Any help is appreciated. Thank you.

  2. #2


    probably nginx not able to load files from within .sencha directory. I loaded the development.js from another location without the "." in front of the directory name and the application loaded just fine. Although I am not sure if this is the right way to solve the problem.

  3. #3
    Sencha - Support Team
    Join Date
    Oct 2011


    Is your application located on your local webserver? Try changing the permissions on your myapp folder and its enclosed content.
    Get more personalized support via a support subscription.

    Need more help with your app? Hire Sencha Services [email protected]

    When posting code, please use BBCode's CODE tags.

    Need to include a test case use:
    The official Sencha Fiddle

  4. #4


    This is most likely a port issue. Sencha appears to listen on port 1841 by default. You can try http://localhost:1841/myapp and see if that works. You might also want to verify that you are running 'sencha web start' in the directory above the myapp folder. That can sometimes cause a 403 error from my experience. If this fixes your issue and you are just using the local server for sencha apps you can change your default listener port to 1841 and http://localhost/myapp should serve your application without issue. Hope it helps.

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