turtoise commented on issue #795:
URL: https://github.com/apache/submarine/issues/795#issuecomment-1009545161


   Hi,I was also using spark security plugin to authorize SparkSQL,but when i 
execute command "show tables " or any sql command ,it report below errors:
   
   22/01/11 10:23:26 WARN PolicyRefresher: cache file does not exist or not 
readable '/etc/ranger/sparkServer/policycache/sparkSql_sparkServer.json'
   
   I have no idea why would this happen even though i configured a sparkService 
in hive in ranger?
   
![image](https://user-images.githubusercontent.com/19393229/148870991-bf4e0ca3-9ba9-45e2-a009-d6342edaa120.png)
   
   
   


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