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Orquesta workflow failed with unknown error

Workflows
#1

Hi,

I met a problem with Orquesta workflow in HA environment. When I run the workflow on each server individually, it works well. When I run under VIP, it sometimes succeeded, sometimes failed although children all succeeded. Post the log in st2workflowengine.log. Hope you can help me, thanks.

2020-07-01 15:37:14,082 139642466114608 INFO workflows [-] [5efc3d1514b74d51a66838ab] Action execution "5efc3d29da89396bb964e7ee" for task "execution" is updated and in "scheduled" state.
2020-07-01 15:37:14,658 139642466114608 INFO workflows [-] [5efc3d1514b74d51a66838ab] Action execution "5efc3d29da89396bb964e7ee" for task "execution" is updated and in "succeeded" state.
2020-07-01 15:37:14,663 139642466114608 WARNING coordination [-] Coordination backend is not configured. Code paths which use coordination service will use best effort approach and race conditions are possible.
2020-07-01 15:37:14,681 139642466114608 INFO workflows [-] [5efc3d1514b74d51a66838ab] Handling completion of action execution "5efc3d29da89396bb964e7ee" in status "succeeded" for task "execution", route "0".
2020-07-01 15:37:14,815 139642466114608 INFO workflows [-] [5efc3d1514b74d51a66838ab] Publish task "execution", route "0", with status "succeeded" to conductor.
2020-07-01 15:37:14,821 139642466114608 WARNING workflow [-] Determining if exception <type 'exceptions.KeyError'> should be retried.
2020-07-01 15:37:14,822 139642466114608 WARNING workflow [-] Determining if exception <type 'exceptions.KeyError'> should be retried.
2020-07-01 15:37:14,822 139642466114608 WARNING workflow [-] Determining if exception <type 'exceptions.KeyError'> should be retried.
2020-07-01 15:37:14,841 139642466114608 ERROR workflows [-] [5efc3d1514b74d51a66838ab] Unknown error while processing task execution. KeyError: u'continue'
2020-07-01 15:37:14,841 139642466114608 ERROR workflows [-] [5efc3d1514b74d51a66838ab] Unknown error while processing task execution. Failing task execution "5efc3d29da89396bb964e7ec".
2020-07-01 15:37:14,914 139642466114608 INFO workflows [-] [5efc3d1514b74d51a66838ab] Publish task "execution", route "0", with status "failed" to conductor.
2020-07-01 15:37:14,924 139642466114608 INFO workflows [-] [5efc3d1514b74d51a66838ab] Updating workflow execution from status "running" to "failed".
2020-07-01 15:37:14,970 139642466114608 ERROR workflows [-] [5efc3d1514b74d51a66838ab] Workflow execution completed with errors. (task_id=u'execution',type=u'error',message=u'Execution failed. See result for details.')
#2

What’s your environment? How HA is configured? Do you use any coordination backend? What’s the meaning behind the “VIP” from your message?

Workflow execution completed with errors. (task_id=u'execution',type=u'error',message=u'Execution failed. See result for details.')

What execution result shows for that workflow?

#3

Thanks, I checked my environment and found that one stackstorm is v3.2, another one is v3.1. After updating to v3.2, the problem disappeared. I guess it was caused by version compatibility.