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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4315) Deprecate Hadoop dependent methods in flink-java
Date Mon, 31 Oct 2016 15:46:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15622515#comment-15622515
] 

ASF GitHub Bot commented on FLINK-4315:
---------------------------------------

Github user fhueske commented on the issue:

    https://github.com/apache/flink/pull/2637
  
    Thanks for the update @kenmy. We are trying to keep the Java and Scala APIs as close as
possible. Could you convert the Scala `FlinkHadoopEnvironment` into a `HadoopInputs` class
as well?
    
    I also noticed that there are quite a few Hadoop-related tests in the `flink-tests` module.
I think it would be good to move the tests from the `org.apache.flink.test.hadoop` and `org.apache.flink.api.scala.hadoop`
packages of `flink-tests` to `flink-hadoop-compatibility`. 
    
    In fact, there might be a bit of overlap with other tests in `flink-hadoop-compatibility`.
It would be great if you could check for tests with overlapping test coverage. Then we could
drop some of these tests.
    
    Thanks for your work,
    Fabian


> Deprecate Hadoop dependent methods in flink-java
> ------------------------------------------------
>
>                 Key: FLINK-4315
>                 URL: https://issues.apache.org/jira/browse/FLINK-4315
>             Project: Flink
>          Issue Type: 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 deprecate those methods and add helpers in the `flink-hadoop-compatibility`
project.
> FLINK-4048 will later remove the deprecated methods.



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