Github user StephanEwen commented on the pull request:
https://github.com/apache/flink/pull/442#issuecomment-82260288
Yes, this can be the problem. Can you add a licence header (with comments)
to this file?
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
