zabetak commented on a change in pull request #1331:
URL: https://github.com/apache/hive/pull/1331#discussion_r464503259



##########
File path: 
itests/util/src/main/java/org/apache/hadoop/hive/ql/dataset/QTestDatasetHandler.java
##########
@@ -52,8 +51,8 @@
 
   private File datasetDir;
   private static Set<String> srcTables;
-  private static Set<String> missingTables = new HashSet<>();

Review comment:
       Indeed there is a check-then-act race condition here. I was hoping to 
fix this without making `missingTables` and `tablesToUnload` static but looking 
at the code that I committed it seems that I screwed up something while I was 
rebasing :D I will address this in the following commits (hopefully 
:crossed_fingers: ). Thanks for catching this!




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