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Description

Excerpt

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You can use the Mobile Document Queue List to handle and inspect

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Use Case

  • View XML values and know whether AL code has taken effect

  • View Error Call Stack

  • Share this information with Service Desk

See Mobile Document Queue List for details about Request/Response XML.

View and Download Request/Response XML

Step 1:

Open the Mobile Document Queue List.

You can now see the XML on-screen and search using the browser "Find function" (CTRL+F).

Step 2:

Download the XML.

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failed mobile documents.

Finding the right mobile document

  1. Open Mobile Document Queue List

  2. Isolate for the right entry, using columns like Document Type, Registration Type or Status Filters

View Error Message and Call Stack

The Response XML contains both the Error message and Error call stack.

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How to interpret the Error Call Stack

The beginning of the error call stack is where the process failed. This allows you to:

Third-party applications can be the cause of the error

The call stack can point to non-MobileWMS extensions. Look for "ExtensionName by Publisher".

This points to an issue outside of Mobile WMS. In Example, the Error Call Stack points to the Extension ShipIT 365 by IDYN B.V.

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Share the Error and Call Stack with Tasklet

Tip

You can copy these files to the ticket if you have an ongoing Service Desk ticket and have trouble pinpointing the root cause of the Error.

Download the XML

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  • Select Document > Show Request XML

  • Save the file

  • Select Document > Show Response XML

    • Save the file

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Example of Request XML 

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How to Reprocess Mobile Documents

You can reprocess failed mobile documents from the Mobile Document Queue List in Business Central.
This will show the error message on your screen.

Note: The code is executed in the context of the current user

  • Select Process >  Process Document

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Use “Copy Details” to view more additional information

When reprocessing fails, you will see the error on the screen.

More information is available in Copy details.

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  1. Select "Copy Details"

  2. Paste the text to a text editor or an ongoing Service Desk ticket if you have trouble pinpointing the root cause of the Error.

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How to interpret Request XML 

The mobile app request is likely the most interesting for development. The request

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shows the values available.

Here are

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fields

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"MyDate", "MyText"

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available in a request for an Unplanned Function named "MyUnplanned".

Request example
Code Block
languagexml
<?xml version="1.0" encoding="utf-8"?>
<request name="PostAdhocRegistration" created="2020-02-14T15:24:24+01:00" xmlns="http://schemas.microsoft.com/Dynamics/Mobile/2007/04/Documents/Request">
  <requestData name="PostAdhocRegistration">
    <MyDate>14-02-2020</MyDate>
    <MyText>2</MyText>
    <MyDecimal>4</MyDecimal>
    <MyDateStep>14-02-2020</MyDateStep>
    <MyTextStep>2</MyTextStep>
    <MyDecimalStep>4</MyDecimalStep>
    <RegistrationType>MyUnplanned</RegistrationType>
  </requestData>
</request>

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View Error Call Stack and Debug

See Debugging.

When a request ends in Status: Error, it will remain so until it succeeds. Subsequent attempts from mobile will only attempt to re-process this original request.

You can use this to inspect the Call stack and initiate debugging.

Go to the "Mobile Document Queue"-page.

  • Select the latest Document with Status = Error

  • Select Document > Show Response XML
    or

  • Select Process >  Process Document

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You can also re-run the process and get the error on the screen

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Paste the text into a Text Editor like "Notepad" (Ctrl+V)

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Info

External code unit

If the call stack points to non Tasklet code unit e.g. connector, you can look for the publisher after the "-" sign - example below "ShipIT 365 by IDYN B.V."

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