RaigorJiang opened a new issue #14881:
URL: https://github.com/apache/shardingsphere/issues/14881
## 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
Start the Proxy with the following authority rule configuration
```yaml
rules:
- !AUTHORITY
users:
- root@%:root
- sharding@:sharding
# provider:
# type: ALL_PRIVILEGES_PERMITTED
```
Then NPE occurred in ShardingSphereAlgorithmFactory :
```text
Exception in thread "main" java.lang.NullPointerException
at
org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmFactory.createAlgorithm(ShardingSphereAlgorithmFactory.java:41)
at
org.apache.shardingsphere.authority.rule.AuthorityRule.<init>(AuthorityRule.java:48)
at
org.apache.shardingsphere.authority.rule.builder.AuthorityRuleBuilder.build(AuthorityRuleBuilder.java:35)
at
org.apache.shardingsphere.authority.rule.builder.AuthorityRuleBuilder.build(AuthorityRuleBuilder.java:31)
at
org.apache.shardingsphere.infra.rule.builder.global.GlobalRulesBuilder.buildRules(GlobalRulesBuilder.java:57)
at
org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder.buildGlobalSchemaMetaData(MetaDataContextsBuilder.java:103)
at
org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder.build(MetaDataContextsBuilder.java:98)
at
org.apache.shardingsphere.mode.manager.cluster.ClusterContextManagerBuilder.beforeBuildContextManager(ClusterContextManagerBuilder.java:108)
at
org.apache.shardingsphere.mode.manager.cluster.ClusterContextManagerBuilder.build(ClusterContextManagerBuilder.java:85)
at
org.apache.shardingsphere.proxy.initializer.BootstrapInitializer.createContextManager(BootstrapInitializer.java:84)
at
org.apache.shardingsphere.proxy.initializer.BootstrapInitializer.init(BootstrapInitializer.java:71)
```
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