Jubin Soni created FLINK-39949:
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Summary: [ForSt] State restore from savepoints/checkpoints not
supported
Key: FLINK-39949
URL: https://issues.apache.org/jira/browse/FLINK-39949
Project: Flink
Issue Type: Bug
Components: Runtime / State Backends
Reporter: Jubin Soni
The ForSt state backend currently does not support restoring from savepoints or
checkpoints. When a restore is attempted,
{{ForStKeyedStateBackendBuilder#restoreForStKeyedStateBackend()}}
unconditionally throws the following exception:
UnsupportedOperationException: Not support restoring yet for ForStStateBackend
*File location:*
{{flink-state-backends/flink-statebackend-forst/src/main/java/org/apache/flink/state/forst/ForStKeyedStateBackendBuilder.java}}
Line: 428
*Steps to Reproduce:*
# Configure a Flink job to use the ForSt state backend
# Take a checkpoint or savepoint
# Restart the job and attempt to restore from that checkpoint/savepoint
*Expected Result:*
The job should resume from the checkpoint with all state intact.
*Actual Result:*
The job fails with:
UnsupportedOperationException: Not support restoring yet for ForStStateBackend
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