pan3793 commented on issue #7664:
URL: https://github.com/apache/kyuubi/issues/7664#issuecomment-5427190687

   it sounds like you are using KSHC in an unsupported way
   
   > The current implementation has some limitations:
   > 
   > the catalog configuration must be present on the Spark application 
bootstrap, which means the catalog configurations should be set in 
`spark-defaults.conf` or append as `--conf` like:
   > ```
   > spark-[shell|submit] \
   >   --conf 
spark.sql.catalog.xxx=org.apache.kyuubi.spark.connector.hive.HiveTableCatalog
   >   --conf spark.sql.catalog.xxx.hive.abc=xyz
   > ```
   >
   > note: `spark-sql` may not work properly, because of some tricky code 
inside Spark ...
   >
   > but does not work for dynamic registering through SET statement, e.g. `SET 
spark.sql.catalog.xxx=`
   
   see more details at https://github.com/apache/kyuubi/pull/4560
   
   and seems our KSHC docs are outdated, @maomaodev are you interested in 
updating it to mention the above limitation and include your recent 
improvements?


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