[GitHub] flink pull request #4112: [FLINK-6901] Flip checkstyle configuration files

[NicoK <gi...@git.apache.org>]

Github user NicoK commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4112#discussion_r126451783
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/NettyBufferPool.java ---
    @@ -61,7 +60,9 @@ public NettyBufferPool(int numberOfArenas) {
     		checkArgument(numberOfArenas >= 1, "Number of arenas");
     		this.numberOfArenas = numberOfArenas;
     
    -		if (!PlatformDependent.hasUnsafe()) {
    +		try {
    +			Class.forName("sun.misc.Unsafe");
    +		} catch (ClassNotFoundException e) {
    --- End diff --
    
    After checking with @StefanRRichter, it seems this check is unnecessary anyway since `org.apache.flink.core.memory.MemoryUtils#UNSAFE` is getting the class if needed and if not existing, Flink should not start anyway.


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