Http Task is scheduled but never run

[Dyson-Ido]

Describe the bug
Create a simple workflow has only one http task, when start workflow, http task is scheduled but never run till timeout.

Details
Conductor version: the latest release 3.18.
Persistence implementation: Postgres and Redis both tested and the same issue
Queue implementation: Postgres, MySQL, Dynoqueues etc
Lock: Redis
Workflow definition:
Task definition:
Event handler definition:

To Reproduce
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4. See error

Expected behavior
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Additional context
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[Dyson-Ido]

Anyone encounter this issue or reproduce it?