What does it mean when Workflow Task Handler in the UI is all X's?

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1

I have some workflows that are hanging at WorkflowTaskScheduled. When I look at the workers tab in the UI, I see that they’re all marked as X in “Workflow Task Handler”. What does this mean / is that expected? How do I debug this?

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2

This means that the worker has only activities registered with it and no workflows.

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@maxim What does it mean with no workflows? is it no workflows registered?

I have encountered the same case, where the workers are hung and are not processing any workflows. and the workflows are stuck in running state.

This has happened during high load. What changes do i need to do to fix this issue.

This was solved when i restarted the workers.

4

Usually “workers hang” happens when activities are not completing (or completing too slowly). The worker stops polling when all the activity task slots are taken.