Spring+mybatis错误：org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.bi

来源：互联网发布：初学软件开发编辑：程序博客网时间：2024/04/24 20:12

今天使用springboot+mybatis进行添加用户操作时出现以下错误：

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters are [1, 0, param1, param2] at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:79) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:447) at com.sun.proxy.$Proxy10.insert(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:279) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:46) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:43) at com.sun.proxy.$Proxy11.insertAdmin(Unknown Source) at net.togogo.service.AdminService.insertAdmin(AdminService.java:24) at net.togogo.AdminTest.adminTest2(AdminTest.java:28) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)Caused by: org.apache.ibatis.binding.BindingException: Parameter 'username' not found. Available parameters are [1, 0, param1, param2] at org.apache.ibatis.binding.MapperMethod$ParamMap.get(MapperMethod.java:160) at org.apache.ibatis.reflection.wrapper.MapWrapper.get(MapWrapper.java:41) at org.apache.ibatis.reflection.MetaObject.getValue(MetaObject.java:113) at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:72) at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:77) at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:58) at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:71) at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:44) at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:100) at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:75) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:148) at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:137) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:434) ... 30 more

经测试应该是忘了使用@Param。当只有一个参数时，Mapper中可以不使用

public void insertAdmin(String username);

但是有多个参数时必须用：

public void insertAdmin(@Param("username")String username,@Param("password")String password);

阅读全文

0 0