klcopp opened a new pull request #1501:
URL: https://github.com/apache/hive/pull/1501
Hive keeps a cache of encryption shims in SessionState (Map<URI,
HadoopShims.HdfsEncryptionShim> hdfsEncryptionShims). Each encryption shim in
the cache stores a FileSystem object.
After compaction where the session user is not the same user as the owner of
the partition/table directory, we close all FileSystem objects associated with
the user running the compaction, possibly closing an FS stored in the
encryption shim cache. The next time query-based compaction is run on a
table/partition owned by the same user, compaction will fail in MoveTask[1]
since the FileSystem stored in the cache was closed.
This change disables the cache during query-based compaction (optionally;
default: disabled).
[1] Error:
{code:java}
2020-09-08 11:23:50,170 ERROR org.apache.hadoop.hive.ql.Driver:
[rncdpdev-2.fyre.ibm.com-27]: FAILED: Execution Error, return code 1 from
org.apache.hadoop.hive.ql.exec.MoveTask. java.io.IOException: Filesystem
closed. org.apache.hadoop.hive.ql.metadata.HiveException: java.io.IOException:
Filesystem closed
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