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Getting 503 Server Error when Upgrading Spread

Posted by: daniel.ghazvini on 13 October 2021, 7:16 am EST

  • daniel.ghazvini

    Posted 13 October 2021, 7:16 am EST

    Hello, I am currently working to upgrade a solution for a web application currently using version 8.40.20143.0 of Spread to version 14.45.20214.0.

    The page I am currently trying to test out that contains an embedded Spread Excel form I am able to get working locally after doing the upgrade steps, but I am receiving a 503 Service Unavailable Error when trying to load the page with the embedded Excel form element on a server test environment.

    These are steps that have been taken so far:

    0) Latest version Spread 14.45.20214.0 has been downloaded to local.

    1. Following DLLs have been updated for project solution:

      Previous DLLs:

      FarPoint.CalcEngine, Version=8.35.20143.0

      FarPoint.Excel, Version=8.35.20143.0

      FarPoint.Localization, Version=8.20.20143.0

      FarPoint.PDF, Version=8.35.20143.0

      FarPoint.Web.Chart.Design, Version=8.40.20143.0

      FarPoint.Web.Chart, Version=8.40.20143.0

      FarPoint.Web.Spread.Design, Version=8.40.20143.0

      FarPoint.Web.Spread, Version=8.40.20143.0

      FarPoint.Web.Spread.Extender.dll, Version=8.40.20143.0

    New DLLs:

    FarPoint.CalcEngine, Version=14.45.20214.0

    FarPoint.Excel, Version=14.45.20214.0

    FarPoint.Localization, Version=14.45.20214.0

    FarPoint.PDF, Version=14.45.20214.0

    FarPoint.Web.Chart.Design, Version=14.45.20214.0

    FarPoint.Web.Chart, Version=14.45.20214.0

    FarPoint.Web.Spread.Design, Version=14.45.20214.0

    FarPoint.Web.Spread, Version=14.45.20214.0

    FarPoint.Web.Spread.Extender.dll, Version=14.45.20214.0

    1. Updated Licenses.licx file from Version=8.40.20143.0 to Version=14.45.20214.0

    2. Updated the Web.Config from having the following entries:

       <add assembly="FarPoint.CalcEngine, Version=8.35.20143.0, Culture=neutral, PublicKeyToken=327C3516B1B18457" />
 <add assembly="FarPoint.Excel, Version=8.35.20143.0, Culture=neutral, PublicKeyToken=327C3516B1B18457" />
 <add assembly="FarPoint.PDF, Version=8.35.20143.0, Culture=neutral, PublicKeyToken=327C3516B1B18457" />
 <add assembly="FarPoint.Web.Chart.Design, Version=8.40.20143.0, Culture=neutral, PublicKeyToken=327C3516B1B18457" />
 <add assembly="FarPoint.Web.Chart, Version=8.40.20143.0, Culture=neutral, PublicKeyToken=327C3516B1B18457" />
 <add assembly="FarPoint.Web.Spread.Design, Version=8.40.20143.0, Culture=neutral, PublicKeyToken=327C3516B1B18457" />
 <add assembly="FarPoint.Web.Spread, Version=8.40.20143.0, Culture=neutral, PublicKeyToken=327C3516B1B18457" />

    To these new entries:













    1. fp_client\fpspread\ directory has been updated from having 8_40_20143_0 to new downloaded 14_45_20214_0 directory.

    Any help in identifying steps that may be missing that would be the cause of this 503 Service Unavailable Error would be appreciated, thank you.

  • avinash.pathak

    Posted 13 October 2021, 8:39 pm EST

    Hi,

    Could you please provide a sample that replicates test the issue so that we could investigate it further and help you accordingly?

    Regards

    Avinash

  • ruth_w

    Posted 19 October 2021, 10:05 pm EST

    Hello,

    I have exactly the same problem.

    (I upgrade to trail version 14 to see if everything ok before buying…)

    IIS is crash at all .

    and I have no idea what is the issue .

    daniel, is your problem resolved already ?

    Thanks for any information

  • avinash.pathak

    Posted 20 October 2021, 8:21 pm EST

    Hi Ruth,

    Could you please provide a sample project and the steps by which you are hosting the project on IIS(the steps by which we could replicate the issue) so that we could have a better understanding of the issue and investigation it further?

    Regards,

    Avinash

  • ruth_w

    Posted 20 October 2021, 10:26 pm EST

    In a sample project everything is fine.

    The problem is , in existing project which was connect to old old version of FarPoint (v 2.0)

    I removed the old version and installed the version v14.45.20214.0 .

    I added the dll to reference folder . added in web.config, in a form in design time i added the component(added in tool box also), the licenses file added automaticlly .

    What i have to do in the IIS ?

    Im using the trail version to see if it helps our system.

    Thanks

  • avinash.pathak

    Posted 21 October 2021, 9:23 pm EST

    Hi,

    We are sorry but without any sample, it would be difficult to comment on the nature of the issue. Please make sure the fp_client folder is available. Further, if the issue persists please share s sample project for investigation.

    Regards

    Avinash

  • ruth_w

    Posted 23 October 2021, 5:27 pm EST

    Hi,

    See , I have a big problem to attach the project with the problem. its the whole VS Solution of my company . its not security at all to attach it here, you agree with me (:

    In a sample project which I created outside the big solution - everything works. its fine.

    So it is very hard to discover what’s the problem.

    That’s why I ask YOU to let me know what I need to have in the big project .

    I have the fp_client in the IIS , which path it has to be ? the same as the dll in the project ?

    What else can you think about ?

  • avinash.pathak

    Posted 28 October 2021, 5:51 pm EST

    Hi Ruth,

    Could you please declare assembly binding redirect? More details can be found in https://www.grapecity.com/spreadnet/docs/v14/readme/webupgrade.html.

    Further, It’s nearly impossible for us to fix the issue by an error number we need a sample for better investigation and I understand providing the whole project here may not be a good idea but you may provide the sample project on our support there, your project solution safe.

    Regards,

    Avinash

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