Mrhs121 commented on code in PR #18000:
URL: 
https://github.com/apache/dolphinscheduler/pull/18000#discussion_r2852646139


##########
dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/runner/TaskExecutionContextFactory.java:
##########
@@ -192,20 +193,27 @@ private Optional<String> getEnvironmentConfigFromDB(final 
TaskInstance taskInsta
         return Optional.ofNullable(environmentOptional.get().getConfig());
     }
 
-    // The successors of the task instance will be used to generate the var 
pool
-    // All out varPool from the successors will be merged into the var pool of 
the task instance
-    private List<Property> generateTaskInstanceVarPool(TaskDefinition 
taskDefinition,
+    // The predecessors of the task instance will be used to generate the var 
pool.
+    // In execute-task(TASK_ONLY) scenario, the predecessor might be outside 
current execution sub-graph.

Review Comment:
   
https://github.com/apache/dolphinscheduler/blob/8ee334fc2f4803d7a628458018d82ca695b920d1/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/runner/WorkflowExecuteRunnable.java#L1152~LL1172
   The changes here are based on the old behavior in version 3.2
   



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