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https://issues.apache.org/jira/browse/BEAM-8557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sunjincheng updated BEAM-8557:
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Parent: BEAM-7944
Issue Type: Sub-task (was: Improvement)
> Clean up useless null check.
> ----------------------------
>
> Key: BEAM-8557
> URL: https://issues.apache.org/jira/browse/BEAM-8557
> Project: Beam
> Issue Type: Sub-task
> Components: runner-core, sdk-java-harness
> Reporter: sunjincheng
> Assignee: sunjincheng
> Priority: Major
>
> I think we do not need null check here:
> [https://github.com/apache/beam/blob/master/runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/control/FnApiControlClient.java#L151]
> Because before the the `onNext` call, the `Future` already put into the queue
> in `handle` method.
> What do you think?
>
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