Hyukjin Kwon created SPARK-17838:
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Summary: Strict type checking for arguments with a better messages
across APIs.
Key: SPARK-17838
URL: https://issues.apache.org/jira/browse/SPARK-17838
Project: Spark
Issue Type: Improvement
Components: SparkR
Reporter: Hyukjin Kwon
It seems there should be more strict type checking for arguments in SparkR
APIs. This was discussed in several PRs.
https://github.com/apache/spark/pull/15239#discussion_r82445435
Roughly it seems there are three cases as below:
The first case below was described in
https://github.com/apache/spark/pull/15239#discussion_r82445435
- Check for {{zero-length variable name}}
Some of other cases below were handled in
https://github.com/apache/spark/pull/15231#discussion_r80417904
- Catch the exception from JVM and format it as pretty
- Check strictly types before calling JVM in SparkR
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