ibzib commented on pull request #14942:
URL: https://github.com/apache/beam/pull/14942#issuecomment-857263758
> > 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
> > ```
>
> Sure. Could you help me point to where did you find this error?
>
> The failed "Java ("Run Java PreCommit")" task seems to be failing on flaky
`ElasticsearchIOTest` and I could not find the above error. I am wondering if I
missed anything when looking at test results.
>
> In addition, when I run
>
> ```
> $ ./gradlew :runners:portability:java:compileJava
> ```
>
> locally, I could not find the error either
The error is farther up in the Console Output. Since the logs are very large
I usually use the command line to view them since it's more efficient: `curl
https://ci-beam.apache.org/job/beam_PreCommit_Java_Commit/17953/consoleText |
less`
You aren't seeing the error locally because the null checker isn't enabled.
The null checker disabled by default except on Jenkins because it takes
forever. You can enable it by passing a flag:
`./gradlew :runners:portability:java:compileJava
-PenableCheckerFramework=true`
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