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spark-instrumented-optimizer/sql/core
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jerryshao ee6a8d7eaa [MINOR][SQL] Enhance the exception message if checkpointLocation is not set 
Enhance the exception message when `checkpointLocation` is not set, previously the message is:

```
java.util.NoSuchElementException: None.get
  at scala.None$.get(Option.scala:347)
  at scala.None$.get(Option.scala:345)
  at org.apache.spark.sql.DataFrameWriter$$anonfun$8.apply(DataFrameWriter.scala:338)
  at org.apache.spark.sql.DataFrameWriter$$anonfun$8.apply(DataFrameWriter.scala:338)
  at scala.collection.MapLike$class.getOrElse(MapLike.scala:128)
  at scala.collection.AbstractMap.getOrElse(Map.scala:59)
  at org.apache.spark.sql.DataFrameWriter.startStream(DataFrameWriter.scala:337)
  at org.apache.spark.sql.DataFrameWriter.startStream(DataFrameWriter.scala:277)
  ... 48 elided
```

This is not so meaningful, so changing to make it more specific.

Local verified.

Author: jerryshao <sshao@hortonworks.com>

Closes #12998 from jerryshao/improve-exception-message.
2016-05-09 11:14:40 -07:00
..
src [MINOR][SQL] Enhance the exception message if checkpointLocation is not set 2016-05-09 11:14:40 -07:00
pom.xml [SPARK-15148][SQL] Upgrade Univocity library from 2.0.2 to 2.1.0 2016-05-05 11:26:40 -07:00