ivan1221 commented on a change in pull request #3552: NIFI-6395: Thread-safety 
bug fixed and added new flag property to han…
URL: https://github.com/apache/nifi/pull/3552#discussion_r334062141
 
 

 ##########
 File path: 
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/CountText.java
 ##########
 @@ -213,10 +220,10 @@ public void onTrigger(ProcessContext context, 
ProcessSession processSession) thr
         }
         AtomicBoolean error = new AtomicBoolean();
 
-        lineCount = 0;
-        lineNonEmptyCount = 0;
-        wordCount = 0;
-        characterCount = 0;
+        final int[] lineCount = {0};
+        final int[] lineNonEmptyCount = {0};
+        final int[] wordCount = {0};
+        final int[] characterCount = {0};
 
 Review comment:
   Not necessarily, I think it is better to use an array than an 
AtomicReference <Object> for local use in a lambda expression, however I can 
change it to AtomicInteger.

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