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Assistance Required for PowerServer Migration, Setup and Implementation
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  3.  Migration
  4.  PowerBuilder (Appeon)
  5.  PowerServer
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  1. Sathishkumar S
  2. PowerServer
  3. Friday, 24 January 2025 06:29 PM UTC

Hi All,

I am currently working on implementing PowerServer for our application, which is transitioning from a client-server setup to a PowerServer-based deployment.

PB 2022 R3 BUILD 3397
SQL Server 2019

I have created a PowerServer project, built it, and deployed it to a remote IIS server. During the initial build and deployment process, I encountered three main categories of issues:

  1. Unsupported (PowerServer):

    • I am not sure how to address the items in this section.
    • According to the PowerServer documentation, there are no workarounds for:
      • previewinsert, previewupdate, and previewdelete as the request arguments of SQLPreview.
      • The sqlreturndata property in the transaction object (suggested to avoid using it).
      • Data.storage property in DataWindow (Suggestion: Add the WHERE clause to retrieve the data needed)
      • The pipeline object (suggested to create an application with the pipeline function and call it instead).
    • Are there alternative solutions or best practices to handle these unsupported features?

  2. Errors:

    • I was able to resolve issues related to incorrect syntax, invalid columns, and invalid objects.

  3. Unsupported (DWs):

    • This category was resolved by removing duplicate DataWindows (DWs).

While running the application, I am encountering the following runtime errors:

  1. Error converting data type nvarchar to int.
  2. String type is not compatible with the mapped property.
  3. Decimal type is not compatible with the mapped property.
  4. Execution timeout expired.

To debug these issues, I am using Ascential Test. However, I also encounter a prompt each time I run the application in PowerServer:

  • "A new version of Cloud App Launcher is available."

  1. How to Avoid Prompts:

    • How can I configure the system to show the update prompt only when the version actually changes?

  2. How to Resolve Unsupported (PowerServer):

  3. Identifying and Resolving Issues:

    • What is the best approach to identify all possible issues during the migration process?
    • What key areas should I focus on to avoid runtime errors like those mentioned above?

Any guidance, suggestions, or insights would be greatly appreciated.

Thanks in advance for your help!



How to call sub module application from main PowerServer ap...
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