Gyula Fora created FLINK-27572:
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Summary: Verify HA Metadata present before performint last-state
restore
Key: FLINK-27572
URL: https://issues.apache.org/jira/browse/FLINK-27572
Project: Flink
Issue Type: Bug
Components: Kubernetes Operator
Reporter: Gyula Fora
Fix For: kubernetes-operator-1.0.0
When we restore a job using the last-state logic we need to verify that the HA
metadata has not been deleted. And if it's not there we need to simply throw an
error because this requires manual user intervention.
This only applies when the FlinkDeployment is not already in a suspended state
with recorded last state information.
The problem be reproduced easily in 1.14 by triggering a fatal job error. (turn
of restart-strategy and kill TM for example). In these cases HA metadata will
be removed, and the next last-state upgrade should throw an error instead of
restoring from a completely empty state.
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