Thanks for contributing to Apache Flink. Before you open your pull request, please take the following check list into consideration. If your changes take all of the items into account, feel free to open your pull request. For more information and/or questions please refer to the How To Contribute guide. In addition to going through the list, please provide a meaningful description of your changes.
[ ] General
[ ] Documentation
[ ] Tests & Build
mvn clean verify
has been executed successfully locally or a Travis build has passed