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Posted to dev@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2018/08/27 21:05:00 UTC

[jira] [Created] (HIVE-20471) issues getting the default database path

Sergey Shelukhin created HIVE-20471:
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             Summary: 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


{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.



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