Hi Team,

I have been playing around with Iceberg tables, and I had some failing writes 
(not really sure how it actually happened), and ended up with an empty 
metadata/version-hint.text file.
When I have tried to read this table with Catalogs.loadTable(configuration, 
properties) I got a NullPointerException.

How do we handle metadata corruption in Iceberg?
Shall we try to fix this error? - Maybe based on the other metadata files we 
can find the actual version
Provide a better error message?
Or just make sure a developer can find out what is the problem, so the 
NullPointer exception is ok?

Thanks,
Peter

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