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File Upload problem when moving from V11 to V12

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    #1

    File Upload problem when moving from V11 to V12

    Situation: I have a working V11 application that includes the use of File Upload - User Defined from various locations in the application, typically from a button in a grid component. I've been porting the application to V12, and the File Upload - User Defined function no longer works -- it appears to be a permissions problem, but I haven't been able to track down what is really going on, because it works fine in LivePreview, but not on the test server running the AA Web Server.

    Details: When you click the upload button, Action Javascript is tied to the onclick function. The Javascript is configured to permit only one file upload. The upload box opens successfully and allows me to pick a file to upload (there aren't any restrictions on file type extensions in the upload, and the file is well below the max file size threshold). When I click upload, I immediately receive a popup from the browser asking if I want to navigate away from the window. If I select "yes", the entire system drops to the login screen. If I say "no", the frame holding the upload control drops to the login screen. The file is not uploaded, and it is pretty hard to tell if the XBasic is running or if the problem happens before the callback.

    Additional info: I've tried both the "data" and "filename" options with the same result. I've removed all of the XBasic code and replaced it with a simple e.javascript="alert('HERE');" statement, but I never see the alert (but I do in LivePreview). As I mentioned, in LivePreview on my local machine everything about the upload works correctly, and everything worked correctly with V11.

    It seems to me that it must be a permissions problem somewhere, but the AAWebroot (my AWS Webroot) has the same permissions as the old version. I know this must be something simple I'm missing on the server configuration... but I've reached the end of my ideas.

    Does anybody have a suggestion? Thanks!
    -Mark
    Tags: None
    #2
    Re: File Upload problem when moving from V11 to V12

    Have you set the allowed file-names and the allowed folders in the Web Projects Properties?
    Insanity: doing the same thing over and over again and expecting different results.
    Albert Einstein, (attributed)
    US (German-born) physicist (1879 - 1955)

    Comment

      #3
      Re: File Upload problem when moving from V11 to V12

      Unfortunately, modifying allowed file-names and folders in the Web Project didn't have any impact on the problem.

      A few more details from additional debugging:
      1. The "Select File" frame clears and shows the progress bar and the abort button briefly before the browser pops up a message "Are you sure you want to leave this page?"
      2. When you select No to the browser navigation popup, the frame remains on the screen with the upload and cancel buttons at the bottom, but the component inside is replaced with the login screen for the application.
      3. When I change web security to change "Redirect page - insufficient permission" to a page other than index.a5w (the login page), this sequence still gives me the login page, not the insufficient permissions page, although other aspects of the application do redirect correctly to the insufficient permissions page.

      Thanks again for your help!

      Comment

        #4
        Re: File Upload problem when moving from V11 to V12

        Sorry for the double post, but an additional interesting item: When I turn off the progress bar and the abort button in the "File Upload - User Defined" action, upload sequence still doesn't work, but the outcome is very different. After selecting a file to upload and pressing the upload button, the frame clears and the following text is displayed: confirmExit = function(){};window.location='index.a5w'; , still with the Upload and Cancel buttons at the bottom of the frame.

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          #5
          Re: File Upload problem when moving from V11 to V12

          I don't know if you are using a List with Detail View in your rebuild - if you are you cannot use file upload - out of the box - its not supported you need to bind the update table to the UX not the list.
          Insanity: doing the same thing over and over again and expecting different results.
          Albert Einstein, (attributed)
          US (German-born) physicist (1879 - 1955)

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