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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20471) issues getting the default database path
Date Mon, 27 Aug 2018 21:15:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594228#comment-16594228
] 

Sergey Shelukhin commented on HIVE-20471:
-----------------------------------------

cc [~thejas]

> issues getting the default database path
> ----------------------------------------
>
>                 Key: HIVE-20471
>                 URL: https://issues.apache.org/jira/browse/HIVE-20471
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Priority: Major
>
> {noformat}
> Caused by: java.lang.IllegalArgumentException: Can not create a Path from an empty string
> 	at org.apache.hadoop.fs.Path.checkPathArg(Path.java:168)
> 	at org.apache.hadoop.fs.Path.<init>(Path.java:237)
> 	at org.apache.hadoop.hive.metastore.Warehouse.getDnsPath(Warehouse.java:143)
> 	at org.apache.hadoop.hive.metastore.Warehouse.getDnsPath(Warehouse.java:147)
> 	at org.apache.hadoop.hive.metastore.Warehouse.getWhRoot(Warehouse.java:160)
> 	at org.apache.hadoop.hive.metastore.Warehouse.getDatabasePath(Warehouse.java:235)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:2335)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:2074)
> {noformat}
> given that the path passed to getDnsPath is already a path that is probably valid, this
method needs to be a little bit more reliable. Not sure which argument turns out to be empty,
but I wonder why this complexity is needed for the default database.
> Of note: this only affects CTAS for me.
> I can create a table and insert data and it works fine; location is  hdfs://[...].hortonworks.com:8020/warehouse/



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