zhaojinchao95 opened a new issue, #19714: URL: https://github.com/apache/shardingsphere/issues/19714
### Which version of ShardingSphere did you use? `master` https://github.com/apache/shardingsphere/commit/a696de87196885f532b07c9a5b5c2b2bc95c8e06 ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-Proxy ``` [ERROR] 2022-07-30 20:26:32.965 [ShardingSphere-Command-0] o.a.s.p.f.c.CommandExecutorTask - Exception occur: java.lang.NullPointerException: null at org.apache.shardingsphere.infra.metadata.database.schema.loader.spi.DialectSchemaMetaDataLoaderFactory.findInstance(DialectSchemaMetaDataLoaderFactory.java:45) at org.apache.shardingsphere.infra.metadata.database.schema.loader.SchemaMetaDataLoaderEngine.load(SchemaMetaDataLoaderEngine.java:62) at org.apache.shardingsphere.infra.metadata.database.schema.builder.GenericSchemaBuilder.loadSchemas(GenericSchemaBuilder.java:93) at org.apache.shardingsphere.infra.metadata.database.schema.builder.GenericSchemaBuilder.build(GenericSchemaBuilder.java:76) at org.apache.shardingsphere.mode.manager.ContextManager.reloadTable(ContextManager.java:466) at org.apache.shardingsphere.mode.manager.ContextManager.reloadTable(ContextManager.java:456) at org.apache.shardingsphere.proxy.backend.handler.distsql.ral.updatable.RefreshTableMetadataHandler.update(RefreshTableMetadataHandler.java:41) at org.apache.shardingsphere.proxy.backend.handler.distsql.ral.UpdatableRALBackendHandler.execute(UpdatableRALBackendHandler.java:38) at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:94) at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:112) at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:78) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829) ``` ``` CREATE DATABASE TEST; USE TEST; REFRESH TABLE METADATA t_order FROM RESOURCE ds_1; ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
