Github user vrozov commented on a diff in the pull request: https://github.com/apache/drill/pull/1145#discussion_r173375649 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/client/DrillClient.java --- @@ -96,6 +96,8 @@ import io.netty.channel.EventLoopGroup; +import javax.validation.constraints.NotNull; --- End diff -- Please use java.annotation.Nonnull or org.jetbrains.annotations.NotNull (or do not annotate, it is inferred).
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