merge sql error, dbType null, druid-1.1.9, sql : SELECT openid,headimgurl,nickname FROM t_mb_weixinuser WHERE openid=? AND vdnId = ? LIMIT 1 com.alibaba.druid.sql.parser.ParserException: syntax error, error in :' LIMIT 1', expect IDENTIFIER, actual IDENTIFIER pos 101, line 2, column 36, token IDENTIFIER LIMIT at com.alibaba.druid.sql.parser.SQLParser.printError(SQLParser.java:284) at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:423) at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:72) at com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils.parameterize(ParameterizedOutputVisitorUtils.java:88) at com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils.parameterize(ParameterizedOutputVisitorUtils.java:50) at com.alibaba.druid.filter.stat.StatFilter.mergeSql(StatFilter.java:147) at com.alibaba.druid.filter.stat.StatFilter.createSqlStat(StatFilter.java:648) at com.alibaba.druid.filter.stat.StatFilter.statementPrepareAfter(StatFilter.java:311) at com.alibaba.druid.filter.FilterEventAdapter.connection_prepareStatement(FilterEventAdapter.java:158) at com.alibaba.druid.filter.FilterChainImpl.connection_prepareStatement(FilterChainImpl.java:523) at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.prepareStatement(ConnectionProxyImpl.java:384) at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:421) at org.apache.shardingsphere.shardingjdbc.executor.PreparedStatementExecutor.createPreparedStatement(PreparedStatementExecutor.java:86) at org.apache.shardingsphere.shardingjdbc.executor.PreparedStatementExecutor.access$100(PreparedStatementExecutor.java:45) at org.apache.shardingsphere.shardingjdbc.executor.PreparedStatementExecutor$1.createStatementExecuteUnit(PreparedStatementExecutor.java:78) at org.apache.shardingsphere.sharding.execute.sql.prepare.SQLExecutePrepareTemplate.getSQLExecuteGroup(SQLExecutePrepareTemplate.java:96) at org.apache.shardingsphere.sharding.execute.sql.prepare.SQLExecutePrepareTemplate.getSQLExecuteGroups(SQLExecutePrepareTemplate.java:87) at org.apache.shardingsphere.sharding.execute.sql.prepare.SQLExecutePrepareTemplate.getSynchronizedExecuteUnitGroups(SQLExecutePrepareTemplate.java:62) at org.apache.shardingsphere.sharding.execute.sql.prepare.SQLExecutePrepareTemplate.getExecuteUnitGroups(SQLExecutePrepareTemplate.java:54) at org.apache.shardingsphere.shardingjdbc.executor.PreparedStatementExecutor.obtainExecuteGroups(PreparedStatementExecutor.java:69) at org.apache.shardingsphere.shardingjdbc.executor.PreparedStatementExecutor.init(PreparedStatementExecutor.java:64) at org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingPreparedStatement.initPreparedStatementExecutor(ShardingPreparedStatement.java:211) at org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingPreparedStatement.execute(ShardingPreparedStatement.java:144) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:59) at com.sun.proxy.$Proxy155.execute(Unknown Source) at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:63) at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63) at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) at com.github.pagehelper.PageInterceptor.intercept(PageInterceptor.java:108) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) at com.sun.proxy.$Proxy153.query(Unknown Source) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:77) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) at com.sun.proxy.$Proxy94.selectOne(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:82) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59) at com.sun.proxy.$Proxy99.findUserInfoByUserId(Unknown Source) 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:343) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) at com.sun.proxy.$Proxy100.findUserInfoByUserId(Unknown Source) at com.xxx.service.impl.SessionMsgServiceImpl.findUserInfoByUserId(SessionMsgServiceImpl.java:68) at com.xxx.service.impl.SessionMsgServiceImpl$$FastClassBySpringCGLIB$$b9b66a9.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88) at com.xxx.datasource.DataSourceAspect.around(DataSourceAspect.java:47) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) at com.xxx.service.impl.SessionMsgServiceImpl$$EnhancerBySpringCGLIB$$652fb78d.findUserInfoByUserId(<generated>) at com.xxx.util.MainHandlerUtil.insertSessionInfo(MainHandlerUtil.java:407) at com.xxx.util.MainHandlerUtil.proccessMain(MainHandlerUtil.java:112) at com.xxx.rocketmq.listener.ReceiveMessageConsumerServiceImpl.ASS_CCS_NewVisitorMsgEvt(ReceiveMessageConsumerServiceImpl.java:175) at com.xxx.rocketmq.listener.ReceiveMessageConsumerServiceImpl.consumerProcess(ReceiveMessageConsumerServiceImpl.java:106) at com.xxx.rocketmq.listener.base.RocketMQMessageService.consumeMessage(RocketMQMessageService.java:52) at org.apache.rocketmq.client.impl.consumer.ConsumeMessageConcurrentlyService$ConsumeRequest.run(ConsumeMessageConcurrentlyService.java:409) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) 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:750)