All,
I recently updated an AVRO Schema. I have checked that the updates made to the schema are backward compatible; and they are. Next, I saved an avro file w/ the new schema to an s3 Bucket and created a crawler.
Please note that I have updated the crawler w/ the following configs:
- Update the table definition in the data catalog
- Update all new and existing partitions with metadata from the table
- Mark the table as deprecated in the data catalog
The crawler runs successfully and creates a table.
However, when I run an Athena table against the created table I get this issue:
GENERIC_INTERNAL_ERROR: Unknown object inspector category: UNION
I have checked Amazon Documentation related to GENERIC_INTERNAL_ERROR issue types; but there's nothing mentioned about this type of issue. Any ideas on how to resolve this?