Missing SerDeStorageSchemaReader class when creating Avro tables with schema file
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 25/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- kubernetes, rust
- Domain
- databases, infrastructure
Research direction
Start by reproducing the SQL example against the Hive Metastore deployment and confirm the SerDeStorageSchemaReader class-not-found error. Inspect how the deployment supplies Hive and Hadoop classes; done means an Avro table created with avro_schema_url can be queried and dropped from Trino without this error.
Written by the indexing model from the issue text.
Description
When creating a Hive external table with the Avro schema URL defined the result is a table that cannot be queried or droped:
create table hive.test.avro_test (
LOAD_DATE varchar,
ID varchar,
EMAIL varchar,
NAME varchar
)
with (
format = 'AVRO',
external_location = 'hdfs://hdfs/test/table1',
avro_schema_url = 'hdfs://hdfs/schema/table1.avsc'
);
All operations on the table produce the following error:
[SQL Error [16777216]: Query failed (#20250804_105604_00015_upgzh): org.apache.hadoop.hive.metastore.SerDeStorageSchemaReader class not found](url)
Once the table is created it can no longer be managed from Trino.
This was originally opened as a Trino issue (https://github.com/stackabletech/trino-operator/issues/783) but the issue lies with hive metastore missing the required Java classes from Hive and Hadoop.
- Dominant language
- Rust
- Stars
- 29
- Forks
- 2
- Avg merge
- 1d 19h
- Merged PRs (30d)
- 12
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