ibzib commented on pull request #14942:
URL: https://github.com/apache/beam/pull/14942#issuecomment-857217847
Can you fix this? (It may be best to just move the
`main(environmentVarGetter)` method body into the regular `main(args)`, I don't
think we really need two separate methods.)
```
> Task :runners:portability:java:compileJava
/home/jenkins/jenkins-slave/workspace/beam_PreCommit_Java_Commit/src/runners/portability/java/src/main/java/org/apache/beam/runners/portability/ExternalWorkerService.java:134:
error: [methodref.return.invalid] Incompatible return type
main(System::getenv);
^
found : @Initialized @Nullable String
required: @Initialized @NonNull String
Consequence: method
@Initialized @Nullable String getenv(@Initialized @NonNull String p0) in
java.lang.System
is not a valid method reference for
@Initialized @NonNull String apply(@Initialized @NonNull
Function<@Initialized @NonNull String, @Initialized @NonNull String> this,
@Initialized @NonNull String p0) in java.util.function.Function
1 error
```
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