Github user StephanEwen commented on the pull request:
https://github.com/apache/flink/pull/1099#issuecomment-138485125
The type information generation works as a macro on the abstract syntax
tree, that's why it cannot work on its own code (or any code in the same
project, which is the same compilation unit).
---
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 [email protected] or file a JIRA ticket
with INFRA.
---