Fabian Hueske commented on FLINK-4315:

Hi [~kenmy], 

while discussing to drop Hadoop1 support, the topic of removing the Hadoop 
dependency from flink-java came up again.
I started a [discussion thread on the dev mailing 
 and proposed to clean up the dependencies but not remove but deprecate methods 
that refer to the Hadoop dependency. 
That way, users are aware that these methods will be removed in a future 

Would you like to reopen your PR and adapt it such that methods are annotated 
with {{@deprecated}} instead of being removed?

Thanks, Fabian

> Remove Hadoop Dependency from flink-java
> ----------------------------------------
>                 Key: FLINK-4315
>                 URL: https://issues.apache.org/jira/browse/FLINK-4315
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Java API
>            Reporter: Stephan Ewen
>            Assignee: Evgeny Kincharov
>             Fix For: 2.0.0
> The API projects should be independent of Hadoop, because Hadoop is not an 
> integral part of the Flink stack, and we should have the option to offer 
> Flink without Hadoop dependencies.
> The current batch APIs have a hard dependency on Hadoop, mainly because the 
> API has utility methods like `readHadoopFile(...)`.
> I suggest to remove those methods and instead add helpers in the 
> `flink-hadoop-compatibility` project.

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