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Posted to issues@hive.apache.org by "David Mollitor (Jira)" <ji...@apache.org> on 2019/11/01 13:58:00 UTC
[jira] [Updated] (HIVE-22428) Superfluous "Failed to get database"
WARN Logging in ObjectStore
[ https://issues.apache.org/jira/browse/HIVE-22428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Mollitor updated HIVE-22428:
----------------------------------
Attachment: (was: HIVE-22428.1.patch)
> Superfluous "Failed to get database" WARN Logging in ObjectStore
> ----------------------------------------------------------------
>
> Key: HIVE-22428
> URL: https://issues.apache.org/jira/browse/HIVE-22428
> Project: Hive
> Issue Type: Improvement
> Components: Standalone Metastore
> Affects Versions: 3.2.0
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Major
> Attachments: HIVE-22428.1.patch
>
>
> In my testing, I get lots of logs like this:
> {code:none}
> Line 26319: 2019-10-28T21:09:52,134 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.compdb, returning NoSuchObjectException
> Line 26327: 2019-10-28T21:09:52,135 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.compdb, returning NoSuchObjectException
> Line 26504: 2019-10-28T21:09:52,600 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.tstatsfast, returning NoSuchObjectException
> Line 26519: 2019-10-28T21:09:52,606 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.tstatsfast, returning NoSuchObjectException
> Line 26695: 2019-10-28T21:09:52,922 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.createDb, returning NoSuchObjectException
> Line 26703: 2019-10-28T21:09:52,923 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.createDb, returning NoSuchObjectException
> Line 26763: 2019-10-28T21:09:52,936 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.compdb, returning NoSuchObjectException
> Line 26778: 2019-10-28T21:09:52,939 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.compdb, returning NoSuchObjectException
> Line 26963: 2019-10-28T21:09:53,273 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.db1, returning NoSuchObjectException
> Line 26978: 2019-10-28T21:09:53,276 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.db2, returning NoSuchObjectException
> Line 26986: 2019-10-28T21:09:53,277 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.db1, returning NoSuchObjectException
> Line 27018: 2019-10-28T21:09:53,300 WARN [pool-6-thread-5] metastore.ObjectStore: Failed to get database hive.db2, returning NoSuchObjectException
> {code}
> This is a superfluous log message. It might be pretty common for a database to not exists if, for example, a user fat-fingers the name of the database. The code also has the bad habit of log-and-throw. Just log or throw, not both.
> Since I'm looking at this class, touch up some of the other logging as well.
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