wj-li opened a new issue #13322: URL: https://github.com/apache/shardingsphere/issues/13322
## Bug Report **For English only**, other languages will not accept. Before report a bug, make sure you have: - Searched open and closed [GitHub issues](https://github.com/apache/shardingsphere/issues). - Read documentation: [ShardingSphere Doc](https://shardingsphere.apache.org/document/current/en/overview). Please pay attention on issues you submitted, because we maybe need more details. If no response anymore and we cannot reproduce it on current information, we will **close it**. Please answer these questions before submitting your issue. Thanks! ### Which version of ShardingSphere did you use? master ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-JDBC ### Expected behavior Table created successfully ### Actual behavior It successfully creates the table, but report NullPointerException . ### Reason analyze (If you can) ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc. `2021-10-28 11:33:33,246 INFO Thread-52 o.a.s.i.executor.sql.log.SQLLogger 74 log ---- Logic SQL: CREATE TABLE T_BUSINESS_202101 ( ID NUMBER (20, 0) NOT NULL, BUSINESS_TYPE NUMBER (2, 0) DEFAULT 0 NOT NULL, BUSINESS_NO VARCHAR2 (64) DEFAULT '' NOT NULL, START_TIME TIMESTAMP NOT NULL, CREATE_TIME TIMESTAMP NOT NULL, CONSTRAINT PK_T_BUSINESS_202101 PRIMARY KEY (ID)) 2021-10-28 11:33:33,246 INFO Thread-52 o.a.s.i.executor.sql.log.SQLLogger 74 log ---- SQLStatement: OracleCreateTableStatement() 2021-10-28 11:33:33,246 INFO Thread-52 o.a.s.i.executor.sql.log.SQLLogger 74 log ---- Actual SQL: ds0 ::: CREATE TABLE T_BUSINESS_202101 ( ID NUMBER (20, 0) NOT NULL, BUSINESS_TYPE NUMBER (2, 0) DEFAULT 0 NOT NULL, BUSINESS_NO VARCHAR2 (64) DEFAULT '' NOT NULL, START_TIME TIMESTAMP NOT NULL, CREATE_TIME TIMESTAMP NOT NULL, CONSTRAINT PK_T_BUSINESS_202101 PRIMARY KEY (ID)) 2021-10-28 11:33:33,295 ERROR Thread-52 o.a.s.i.m.s.b.l.TableMetaDataLoaderEngine 68 load ---- Dialect load table meta data errororg.apache.shardingsphere.infra.exception.ShardingSphereException: java.util.concurrent.ExecutionException: java.lang.NullPointerException at org.apache.shardingsphere.infra.metadata.schema.builder.loader.TableMetaDataLoaderEngine.loadByDialect(TableMetaDataLoaderEngine.java:99) at org.apache.shardingsphere.infra.metadata.schema.builder.loader.TableMetaDataLoaderEngine.load(TableMetaDataLoaderEngine.java:66) at org.apache.shardingsphere.singletable.metadata.SingleTableMetaDataBuilder.load(SingleTableMetaDataBuilder.java:55) at org.apache.shardingsphere.singletable.metadata.SingleTableMetaDataBuilder.load(SingleTableMetaDataBuilder.java:42) at org.apache.shardingsphere.infra.metadata.schema.builder.TableMetaDataBuilder.load(TableMetaDataBuilder.java:65) at org.apache.shardingsphere.infra.metadata.schema.refresher.type.CreateTableStatementSchemaRefresher.refresh(CreateTableStatementSchemaRefresher.java:49) at org.apache.shardingsphere.infra.metadata.schema.refresher.type.CreateTableStatementSchemaRefresher.refresh(CreateTableStatementSchemaRefresher.java:38) at org.apache.shardingsphere.infra.context.refresher.MetaDataRefreshEngine.refresh(MetaDataRefreshEngine.java:86) at org.apache.shardingsphere.infra.context.refresher.MetaDataRefreshEngine.refresh(MetaDataRefreshEngine.java:73) at org.apache.shardingsphere.driver.executor.JDBCLockEngine.refreshMetaData(JDBCLockEngine.java:122) at org.apache.shardingsphere.driver.executor.JDBCLockEngine.doExecute(JDBCLockEngine.java:117) at org.apache.shardingsphere.driver.executor.JDBCLockEngine.execute(JDBCLockEngine.java:93) at org.apache.shardingsphere.driver.executor.DriverJDBCExecutor.execute(DriverJDBCExecutor.java:127) at org.apache.shardingsphere.driver.jdbc.core.statement.ShardingSpherePreparedStatement.execute(ShardingSpherePreparedStatement.java:298) at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:47) at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:64) at com.sun.proxy.$Proxy252.update(Unknown Source) at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:50) at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117) at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49) at com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor.intercept(MybatisPlusInterceptor.java:106) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:62) at com.sun.proxy.$Proxy251.update(Unknown Source) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:194) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:427) at com.sun.proxy.$Proxy217.update(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.update(SqlSessionTemplate.java:288) at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:64) at com.baomidou.mybatisplus.core.override.MybatisMapperProxy$PlainMethodInvoker.invoke(MybatisMapperProxy.java:148) at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:89) at com.sun.proxy.$Proxy229.createBusinessTable(Unknown Source) at com.dp.gzh.provider.service.impl.BusinessServiceImpl.createBusinessTable(BusinessServiceImpl.java:20) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:388) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) at com.sun.proxy.$Proxy230.createBusinessTable(Unknown Source) at com.dp.gzh.provider.remote.FsnDataServiceRemoteImpl.lambda$createDynamicShardingTable$0(FsnDataServiceRemoteImpl.java:69) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at org.apache.shardingsphere.infra.metadata.schema.builder.loader.TableMetaDataLoaderEngine.loadByDialect(TableMetaDataLoaderEngine.java:93) ... 62 common frames omitted Caused by: java.lang.NullPointerException: null at org.apache.shardingsphere.infra.metadata.schema.builder.loader.dialect.OracleTableMetaDataLoader.loadColumnMetaData(OracleTableMetaDataLoader.java:112) at org.apache.shardingsphere.infra.metadata.schema.builder.loader.dialect.OracleTableMetaDataLoader.loadColumnMetaDataMap(OracleTableMetaDataLoader.java:89) at org.apache.shardingsphere.infra.metadata.schema.builder.loader.dialect.OracleTableMetaDataLoader.load(OracleTableMetaDataLoader.java:71) at org.apache.shardingsphere.infra.metadata.schema.builder.loader.TableMetaDataLoaderEngine.lambda$loadByDialect$0(TableMetaDataLoaderEngine.java:89) at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) at java.util.concurrent.FutureTask.run(FutureTask.java) ... 3 common frames omitted ` ### Example codes for reproduce this issue (such as a github link). -- This is an automated message from the Apache Git Service. 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