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Azure – Logic App Stateless workflow calls stateful workflow, but doesn't return message body

I’m trying to call Logic App stateful workflow from Stateless workflow, but it seems I don’t receive the body message;
To demonstrate the issue – The parent logic app workflow invokes two child workflows (both are identical workflows, only difference is: one of them stateless and the other one is stateful), interestingly I don’t receive output body from stateful workflow. Please refer the attached screenshots. Looking forward to get some suggestions to fix the issue.
Thanks,
Deepak Shaw. missing output bodyoutput body return to parent
Child returns message properly

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2

Answers


  1. 0
    • When you will invoke a stateful and stateless workflow from a stateless workflow then you will observe that the status code of both the invocations are 202 Accepted and 200 respectively. That’s why it doesn’t contain response body.
    • But If you will invoke a stateful and stateless workflow from a stateful workflow then both returns 200 status code. So, you can use the stateful workflow to invoke both types of workflows if you wish to see the response body.
    • I believe its an inbuild feature in the stateless workflow for stateful workflow.
    • I have used a stateful parent workflow to invoke stateful and stateless workflows and got response body in both the cases.

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  2. 0

    This behaviour is in line with the documentation:

    Parent workflow Child workflow Child behavior
    Stateful Stateful Asynchronous polling pattern or synchronous ("fire and forget") with "operationOptions": "DisableAsyncPattern" setting
    Stateful Stateless Trigger and wait
    Stateless Stateful Synchronous pattern ("fire and forget")
    Stateless Stateless Trigger and wait
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