Run Collection Stuck at "Preparing to run"

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Hi all,

I’ve been experiencing this for a while now.
The Run Collection/Run Folder feature is always stuck at “Preparing to run” state.

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Anyone who experience the same issue?
what workaround are possible for this?

Thank you.

Ree

1 Like
2

There are a few options to help debug the issue which can be caused by a variety of issues.

  1. Check for Postman Updates
  2. Restart Postman - ensure that you stop the Postman process by exiting the software. Then confirm that all Postman background processes are shutdown by checking your Task Manager. Once you confirm all Postman processes are existed, start Postman again.
  3. Clear Postman Cache (ensure you save any modified requests/collections/environments as they will be lost) by going to Help > Clear Cache and Reload
  4. Check for Large/Complex Scripts. If your collection contains a lot of requests, complex pre/post-request scripts it can cause the process to stall. Try a smaller collection to see if the problem persists (a collection with a single request for instance).
  5. Run in command line (Postman CLI or Newman). Attempt to use the Postman CLI to run it in a terminal instead of the GUI. If this works, it will be likely something with the volume of scripts/requests in the collection that is causing a hiccup with the GUI environment.
1 Like
3

clear postman cache works for me, thanks!

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4

It doesn’t work for me after clearing the cache, restart and I’m on latest version of postman (Version 11.68.0
UI Version: 11.68.0-ui-251020-0112
Desktop Platform Version: 11.68.0 (11.68.0)) .(MacOS)

5

I ran into the same issue today — it just stays on “Preparing to run” and doesn’t move forward. I thought it was my internet at first, but everything else is working fine. I tried refreshing and even restarting the app but no luck so far. If anyone has figured out what causes this or found a fix, would really appreciate the help.