LuciferYang commented on PR #48029:
URL: https://github.com/apache/spark/pull/48029#issuecomment-2341472710

   https://github.com/apache/spark/pull/48057#discussion_r1752095345
   
   Upon further analysis, it appears that there are some issues with the method 
`copyAndPutAll` in 
`org.apache.logging.log4j.internal.map.UnmodifiableArrayBackedMap`. From the 
debugging process, it seems that the intention here is to put `executor_id -> 
1` into an `UnmodifiableArrayBackedMap` that already contains `data -> 
some-data`. However, the resulting map only contains `executor_id -> 1`. I 
believe this is not as expected.
   
   
![image](https://github.com/user-attachments/assets/b7d814df-d4e9-4420-8357-544cfc8abf15)
   
   
![image](https://github.com/user-attachments/assets/320fc198-ed8b-48e1-857f-3e4e95c7b6da)
   
   
   


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