[GitHub] [shardingsphere] RaigorJiang opened a new issue #14862: NPE occurred when none of the global rules are configured in server.yaml.

Tue, 18 Jan 2022 01:11:36 -0800 


RaigorJiang opened a new issue #14862:
URL: https://github.com/apache/shardingsphere/issues/14862


   ## Bug Report
   ### Which version of ShardingSphere did you use?
   5.0.1-SNAPSHOT master branch
   
   ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
   ShardingSphere-Proxy
   
   ### Description
   I know we have default global rule builders, so I try to not configure any 
rule in server.yaml and start Proxy:
   ````yaml
   rules:
   # - !AUTHORITY
   # users:
   # - root@%:root
   # - sharding@:sharding
   # provider:
   # type: ALL_PRIVILEGES_PERMITTED
   ````
   But NPE happens in ProxyConfigurationLoader :
   \
   
![image](https://user-images.githubusercontent.com/5668787/149905308-9b68e38e-9d21-49e4-a4be-566465ebeb5a.png)
   \
   I think result.getRules() should get an empty collection, not null when none 
of the rules are configured.
   


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