Cheng Lian created SPARK-20958:
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Summary: Roll back parquet-mr 1.8.2 to parquet-1.8.1
Key: SPARK-20958
URL: https://issues.apache.org/jira/browse/SPARK-20958
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0
Reporter: Cheng Lian
Assignee: Cheng Lian
We recently realized that parquet-mr 1.8.2 used by Spark 2.2.0-rc2 depends on
avro 1.8.1, which is incompatible with avro 1.7.6 used by parquet-mr 1.8.1 and
avro 1.7.7 used by spark-core 2.2.0-rc2.
, Spark 2.2.0-rc2 introduced two incompatible versions of avro (1.7.7 and
1.8.1). Upgrading avro 1.7.7 to 1.8.1 is not preferable due to the reasons
mentioned in [PR
#17163|https://github.com/apache/spark/pull/17163#issuecomment-286563131].
Therefore, we don't really have many choices here and have to roll back
parquet-mr 1.8.2 to 1.8.1 to resolve this dependency conflict.
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