org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters

错误信息:

### Error updating database.  Cause: org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters are [1, 2, param3, rowguid, param1, param2]
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: insert into person(rowguid,username,password) values(?,?,?)
### Cause: org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters are [1, 2, param3, rowguid, param1, param2]] with root cause
org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters are [1, 2, param3, rowguid, param1, param2]at org.apache.ibatis.binding.MapperMethod$ParamMap.get(MapperMethod.java:165)at org.apache.ibatis.reflection.wrapper.MapWrapper.get(MapWrapper.java:44)at org.apache.ibatis.reflection.MetaObject.getValue(MetaObject.java:116)at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:76)at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:80)at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:61)at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:74)at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:47)at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:105)at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:71)at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:152)at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:141)at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:51)at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)at com.sun.proxy.$Proxy46.insertPerson(Unknown Source)at com.wdg.person.impl.PersonDao.selectPersonByRowguid(PersonDao.java:21)at com.wdg.index.controller.IndexController.pageload(IndexController.java:24)at sun.reflect.GeneratedMethodAccessor202.invoke(Unknown Source)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)at java.lang.reflect.Method.invoke(Method.java:497)at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:215)at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:142)at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:998)at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:901)at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:875)at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)at org.apache.catalina.core.StandardContextValve.__invoke(StandardContextValve.java:123)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)at org.apache.catalina.core.StandardHostValve.__invoke(StandardHostValve.java:171)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:745)

情况:

<mapper namespace="com.wdg.person.api.IPerson"><insert id="insertPerson">insert into person(rowguid,username,password) values(#{rowguid},#{username},#{password})</insert>
</mapper>

IPerson:

 void insertPerson(@Param("rowguid") String rowguid, String username, String password);

解决:需要在参数的前面加上@Param("****")

希望对你有所帮助

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