I am using Spark 2.3.0 and trying to mitigate 
https://nvd.nist.gov/vuln/detail/CVE-2022-33891. The correct thing to do is to 
update. However, I am told this is not happening. Thus, I am trying to 
determine if the following are set:

spark.acls.enable false
spark.history.ui.acls.enable false

These are 100% set in the config. I checked the config for weird whitespace 
issues in a hex editor. Nonetheless, the config does not show up in the UI. 
Thus, I took a heap dump. If I read the heap dump in text mode I can see this:

V is abstract���spark.acls.enable1�0invalid end of optional part at position

I am not able to find this in VisualVM or MAT to determine what that is set to. 
Any thoughts?


Andrew Pomponio | Associate Enterprise Architect, 
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