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500 Internal Server Error --- How to troubleshoot???

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    500 Internal Server Error --- How to troubleshoot???

    I'm getting really frustrated with A5. Seems every time I turn around, I am getting random Internal Server Errors (XHTTPRequest Error) or some other similar error.

    I've been working on a dialog for several hours... its been working fine each step when using WORKING PREVIEW. Then I decided to try Live Preview and wham, the above error.

    I'm not understanding WHY it works in WORKING PREVIEW but does not work in LIVE PREVIEW.

    Anyway, my question is, how do I start troubleshooting this?????

    I'm running Build 3903.

    I feel like I'm spending more time troubleshooting issues than I am building...


    Re: 500 Internal Server Error --- How to troubleshoot???

    Not exactly looking for help with my particular problem, just looking for pointers...

    ironically, I narrowed this down to data binding... if I remove the action to bind controls to a datasource, it works fine...


      Re: 500 Internal Server Error --- How to troubleshoot???

      I've narrowed this down further to the data binding not liking some of the tables that are table bound, but i don't know why... just narrating I guess because I figure maybe someone else will eventually get this error.. but again, it would be nice to know what the problem is instead of some basic error.


        Re: 500 Internal Server Error --- How to troubleshoot???

        Turn on the xbasic error log in the a5 WAS. that will narrow it down for you.


          Re: 500 Internal Server Error --- How to troubleshoot???

          A 500 Internal Server Error simply indicates that something (anything) went wrong when executing your application code. On its own, it is no more helpful than "it didn't work".

          Fortunately, the server will give a detailed error message along with each 500 error. The message will be sent back to be displayed in the browser, and logged in the error log if logging is enabled.

          While you are developing, it is usually easiest to turn off IE's "friendly errors" so that the full error message will be displayed as you test.

          It is still also a very good idea to turn on the logging so that errors received by other users are also recorded, enabling you to review them later when someone just tells you "it didn't work" and you need more details to investigate what may have happened. The log is a simple text file which you can open in any application that handles .txt files (e.g. notepad).

          Lenny Forziati
          Vice President, Internet Products and Technical Services
          Alpha Software Corporation


            Re: 500 Internal Server Error --- How to troubleshoot???

            I did the xbasic error log, and this is all its telling me:

            Thread: AppServerWorker2
            Line: 368 if .not. ParseBody()
            command: property_recurse_assign(Variables,ParsedMimeDoc.Variables)
            An unhandled exception (c0000005) was generated.
            Execution Stack:
            0#1 evaluate_shared_private(
            0#18 OOhttpdServerClientMIME(ptemp,"AppServerMain")
            0#368 if .not.self.ParseBody()

            No other detailed information.

            In my case, I have determined that it doesn't like 2 tables, that only have 3 columns (int, varchar, and tinyint) with 2 - 3 records in it.. if i remove the table in the fill fields on dialog action, its fine... but my issue is, I cannot find a way to figure out what the actual error is...


              Re: 500 Internal Server Error --- How to troubleshoot???

              That points to an error in the server itself, not your code/component.

              Please enable raw HTTP logging to capture the request that is causing this error, then submit that log file along with the error log to [email protected].

              Lenny Forziati
              Vice President, Internet Products and Technical Services
              Alpha Software Corporation


                Re: 500 Internal Server Error --- How to troubleshoot???

                Lenny, I submitted the bug, including my project and database files, to see if it helps you any.



                  Re: 500 Internal Server Error --- How to troubleshoot???

                  We were able to duplictae Chris' problem using the logs he supplied. This has now been fixed. The fix will be included in the next prerelease.

                  Lenny Forziati
                  Vice President, Internet Products and Technical Services
                  Alpha Software Corporation


                    Re: 500 Internal Server Error --- How to troubleshoot???

                    This is a major reason I am happy I purchased A5! Support is great and I can only hope when I release my software, I can be as responsive!