HonahX opened a new pull request, #2435:
URL: https://github.com/apache/polaris/pull/2435

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   `PolarisAdminService.createCatalog` only checks and error out if the return 
status of `CreateCatalogResult` is `ENTITY_ALREADY_EXISTS`. Although we do not 
have any other error status specifically for CreateCatalog, we do have a 
general `UNEXPECED_ERROR_SIGNALED` status for all other failures. Currently if 
the persistence sends back an `UNEXPECED_ERROR_SIGNALED`, the 
`PolarisAdminService` will proceed to return the entity field in the result 
(`null`) which result in a NPE at
   
https://github.com/apache/polaris/blob/main/runtime/service/src/main/java/org/apache/polaris/service/admin/PolarisServiceImpl.java#L167.
   
   This PR updates the `PolarisAdminService.CreateCatalog` to check whether the 
status is success and also use `CatalogEntity.of` which does a null check to 
remove the NPE.
   


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