vinothchandar edited a comment on pull request #4117:
URL: https://github.com/apache/hudi/pull/4117#issuecomment-979684047
```
Caused by: java.lang.IllegalArgumentException: Invalid number of file
slices: found=0, required=1
at
org.apache.hudi.common.util.ValidationUtils.checkArgument(ValidationUtils.java:40)
```
this seems to be an issue with the metadata table not being bootstrapped.
Can you check if/how `HoodieBackedTableMetadataWriter#bootstrapIfNeeded()` is
invoked for Flink?
It is not because of the metadata table not bootstrapped, it is because the
flink request and check partition small files during write process. When we
encounter a new partition, the error throws.
The metadata is designed as a backend of the table files view, while the
file-listing based view does not throw for new partition, we should follow that
for metadata-based view too.
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