Ethanlm commented on a change in pull request #3295:
URL: https://github.com/apache/storm/pull/3295#discussion_r452389342



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File path: storm-client/src/jvm/org/apache/storm/executor/Executor.java
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@@ -124,6 +126,7 @@
     protected int idToTaskBase;
     protected String hostname;
     private static final double msDurationFactor = 1.0 / 
TimeUnit.MILLISECONDS.toNanos(1);
+    private boolean needToRefreshCreds = true;

Review comment:
       If only simple `get()` and `set()` methods are used in `AtomicBoolean`, 
it is basically the same as using `violate boolean`. 
   
https://github.com/AdoptOpenJDK/openjdk-jdk8u/blob/master/jdk/src/share/classes/java/util/concurrent/atomic/AtomicBoolean.java#L85-L87
   
   unless methods like `compareAndSet` and `getAndSet` are required. 
   
   But anyway, using `AtomicBoolean` is easier to understand.
   




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