Gyula Fora created FLINK-4471:
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Summary: Rocks backend fully async snapshot restore fails with
custom serializers
Key: FLINK-4471
URL: https://issues.apache.org/jira/browse/FLINK-4471
Project: Flink
Issue Type: Bug
Components: State Backends, Checkpointing, Streaming
Affects Versions: 1.1.0
Reporter: Gyula Fora
Priority: Critical
The StateDescriptor is not deserialized with the usercode classloader. This
makes restore fail with NoClassDefFound error if the user uses custom type
serializers:
https://github.com/apache/flink/blob/master/flink-contrib/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBStateBackend.java#L583
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