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From "Anthony Hsu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-15353) Metastore throws NPE if StorageDescriptor.cols is null
Date Sat, 03 Dec 2016 18:20:58 GMT
Anthony Hsu created HIVE-15353:
----------------------------------

             Summary: Metastore throws NPE if StorageDescriptor.cols is null
                 Key: HIVE-15353
                 URL: https://issues.apache.org/jira/browse/HIVE-15353
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.1.0, 2.2.0
            Reporter: Anthony Hsu
            Assignee: Anthony Hsu


When using the HiveMetaStoreClient API directly to talk to the metastore, you get NullPointerExceptions
when StorageDescriptor.cols is null in the Table/Partition object in the following calls:

* create_table
* alter_table
* alter_partition

Calling add_partition with StorageDescriptor.cols set to null causes null to be stored in
the metastore database and subsequent calls to alter_partition for that partition to fail
with an NPE.

The simplest way to fix these NPEs seems to be to update the StorageDescriptor.cols Thrift
definition and set a default value of empty list. Some null checks will also have to be added
to handle existing nulls in the metastore database.



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