Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry ‘admin’ for key ‘username’ The error may involve com.db.sys.dao.SysUserDao.insertObject-Inline The error occurred while setting parameters SQL: insert into sys_users (username,password,deptId,email,mobile,salt,valid, createdTime,modifiedTime,createdUser,modifiedUser) values (?,?,?,?,?,?,?, now(),now(),?,?) Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry ‘admin’ for key ‘username’ ; SQL []; Duplicate entry ‘admin’ for key ‘username’; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry ‘admin’ for key ‘username’ at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:239) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73) at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73) at org.mybatis.spring.SqlSessionTemplateSqlSessionInterceptor.invoke(SqlSessionTemplate.java:446)atcom.sun.proxy.Proxy643.insert(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:278) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:51) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52) at com.sun.proxy.Proxy645.insertObject(UnknownSource)atcom.db.sys.service.impl.SysUserServiceImpl.saveObject(SysUserServiceImpl.java:102)atcom.db.sys.controller.SysUserController.doSaveObject(SysUserController.java:56)atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(UnknownSource)atsun.reflect.DelegatingMethodAccessorImpl.invoke(UnknownSource)atjava.lang.reflect.Method.invoke(UnknownSource)atorg.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)atorg.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)atorg.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)atorg.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)atorg.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)atorg.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)atorg.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)atorg.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)atorg.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)atorg.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:648)atorg.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:729)atorg.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)atorg.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)atorg.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)atorg.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)atorg.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)atorg.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)atorg.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)atorg.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)atorg.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)atorg.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)atorg.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)atorg.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)atorg.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)atorg.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1152)atorg.apache.coyote.AbstractProtocolAbstractConnectionHandler.process(AbstractProtocol.java:684) at org.apache.tomcat.util.net.NioEndpointSocketProcessor.doRun(NioEndpoint.java:1539)atorg.apache.tomcat.util.net.NioEndpointSocketProcessor.run(NioEndpoint.java:1495) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutorWorker.run(UnknownSource)atorg.apache.tomcat.util.threads.TaskThreadWrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source) Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry ‘admin’ for key ‘username’ at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.Util.getInstance(Util.java:408) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:935) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3970) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3906) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2524) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2677) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2549) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1192) at com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:498) at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:44) at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:69) at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:48) at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:105) at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:71) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:152) at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:141) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) … 45 more