GitHub user twalthr opened a pull request:
https://github.com/apache/flink/pull/6037
[FLINK-6909] [types] Fix error message in CsvReader for wrong type class
## What is the purpose of the change
Fixes a minor issue that was reported by a user. See FLINK-6909.
## Brief change log
Check type before casting.
## Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/twalthr/flink FLINK-6909_3
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6037.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #6037
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commit eb99dc3402e1f4885c1a8a356af55c1669346d0d
Author: Timo Walther <twalthr@...>
Date: 2018-05-17T15:35:55Z
[FLINK-6909] [types] Fix error message in CsvReader for wrong type class
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