afedulov commented on PR #23553:
URL: https://github.com/apache/flink/pull/23553#issuecomment-1781183357

   @zentol I made two major changes as per our discussions above:
   - 
https://github.com/apache/flink/commit/2712c1813ca6420905e06b9e417de0eb61d586d9 
 - direct type passing without the requirement to use returns() (please see my 
[comment](https://github.com/apache/flink/pull/23553#discussion_r1372403767) 
above)
   - 
https://github.com/apache/flink/pull/23553/commits/78cb92bc86e9dded9bf2458de119d549be7ad281
 - allow parallel execution of fromElements Sources
   
   The second one might need some additional test fixes, but I cannot get to 
them at the moment because of the `japicmp` failures:
   ```
   Failed to execute goal 
io.github.zentol.japicmp:japicmp-maven-plugin:0.17.1.1_m325:cmp (default) on 
project flink-streaming-java: There is at least one incompatibility: 
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.fromElements(org.apache.flink.api.common.typeinfo.TypeInformation,java.lang.Object[]):CLASS_GENERIC_TEMPLATE_CHANGED
 -> [Help 1]
   ```
   This is the diff:
   ```
        +++* NEW METHOD: PUBLIC(+) FINAL(+) 
org.apache.flink.streaming.api.datastream.DataStreamSource<OUT> 
fromElements(org.apache.flink.api.common.typeinfo.TypeInformation<OUT>, 
java.lang.Object[])
                +++  NEW ANNOTATION: java.lang.SafeVarargs
                GENERIC TEMPLATES: +++ OUT:java.lang.Object
   ```
   What is the issue with adding the new method?
   
   


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