[jira] [Commented] (SPARK-17810) Default spark.sql.warehouse.dir is relative to local FS but can resolve as HDFS path

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-17810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15552995#comment-15552995 ] 

Apache Spark commented on SPARK-17810:
--------------------------------------

User 'srowen' has created a pull request for this issue:
https://github.com/apache/spark/pull/15382

> Default spark.sql.warehouse.dir is relative to local FS but can resolve as HDFS path
> ------------------------------------------------------------------------------------
>
>                 Key: SPARK-17810
>                 URL: https://issues.apache.org/jira/browse/SPARK-17810
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.1
>            Reporter: Sean Owen
>            Assignee: Sean Owen
>
> Following SPARK-15899 and https://github.com/apache/spark/pull/13868#discussion_r82252372 we have a slightly different problem. 
> The change removed the {{file:}} scheme from the default {{spark.sql.warehouse.dir}} as part of its fix, though the path is still clearly intended to be a local FS path and defaults to "spark-warehouse" in the user's home dir. However when running on HDFS this path will be resolved as an HDFS path, where it almost surely doesn't exist. 
> Although it can be fixed by overriding {{spark.sql.warehouse.dir}} to a path like "file:/tmp/spark-warehouse", or any valid HDFS path, this probably won't work on Windows (the original problem) and of course means the default fails to work for most HDFS use cases.
> There's a related problem here: the docs say the default should be spark-warehouse relative to the current working dir, not the user home dir. We can adjust that.
> PR coming shortly.



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