Chesnay Schepler created FLINK-9542:
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Summary: ExEnv#registerCachedFile should accept Path
Key: FLINK-9542
URL: https://issues.apache.org/jira/browse/FLINK-9542
Project: Flink
Issue Type: Improvement
Components: DataSet API, DataStream API
Reporter: Chesnay Schepler
Currently, {{registerCachedFile}} accepts {{Strings}} as file-paths.
This is undesirable because invalid paths are detected much later than
necessary; at the moment this happens when we attempt to upload them to the
blob store, i.e. during job submission, when ideally it should fail right away.
As an intermediate solution we can modify the {{DistributedCacheEntries}} to
contain {{Paths}} instead of {{Strings}}. This will not require API changes but
still allow earlier detection.
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