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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-20519) When the input parameter is null, may be a runtime exception occurs
Date Fri, 28 Apr 2017 03:16:04 GMT

     [ https://issues.apache.org/jira/browse/SPARK-20519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-20519:
------------------------------------

    Assignee:     (was: Apache Spark)

> When the input parameter is null,  may be a runtime exception occurs
> --------------------------------------------------------------------
>
>                 Key: SPARK-20519
>                 URL: https://issues.apache.org/jira/browse/SPARK-20519
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core, SQL
>    Affects Versions: 2.1.0
>            Reporter: liuxian
>            Priority: Minor
>
> sqlContext.tables(null)
> setCustomHostname(null)
> checkHost(null, "test")
> checkHostPort(null, "test")
> throws exception at runtime:
> java.lang.NullPointerException was thrown.
> java.lang.NullPointerException
> 	at org.apache.spark.sql.catalyst.catalog.SessionCatalog.formatDatabaseName(SessionCatalog.scala:125)
> 	at org.apache.spark.sql.catalyst.catalog.SessionCatalog.listTables(SessionCatalog.scala:715)
> 	at org.apache.spark.sql.catalyst.catalog.SessionCatalog.listTables(SessionCatalog.scala:706)
> 	at org.apache.spark.sql.execution.command.ShowTablesCommand$$anonfun$11.apply(tables.scala:655)



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