rohangarg commented on a change in pull request #12326:
URL: https://github.com/apache/druid/pull/12326#discussion_r826084121



##########
File path: 
indexing-service/src/main/java/org/apache/druid/indexing/overlord/ForkingTaskRunner.java
##########
@@ -219,6 +219,24 @@ public TaskStatus call()
                           );
                         }
 
+                        // Override task specific javaOptsArray
+                        Object taskJavaOptsArray = task.getContextValue(
+                            ForkingTaskRunnerConfig.JAVA_OPTS_ARRAY_PROPERTY
+                        );
+                        if (taskJavaOptsArray != null) {
+                          if (taskJavaOptsArray instanceof List) {

Review comment:
       instead of this - can we try `List<String> taskJavaOptsArray = 
jsonMapper.convertValue(task.getContextValue(ForkingTaskRunnerConfig.JAVA_OPTS_ARRAY_PROPERTY),
 new TypeReference<List<String>>() {});` and then add that whole array to the 
command? Also, I think that we should throw an error incase of a bad format 
instead of silently ignoring the overrides. 
   
   Please write a UT where the override (and hence setting) can be tested 
between the deprecated prop and the new prop




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