not known to the MapperRegistry

来源：互联网发布：xampp配置mysql 编辑：程序博客网时间：2024/06/07 07:42

org.apache.ibatis.binding.BindingException: Type interface com.hl.mybatis.first.mapper.UserMapper is not known to the MapperRegistry.    at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:47)    at org.apache.ibatis.session.Configuration.getMapper(Configuration.java:732)    at org.apache.ibatis.session.defaults.DefaultSqlSession.getMapper(DefaultSqlSession.java:292)    at com.hl.mybatis.first.test.UserMapperTest.testfindUserByID(UserMapperTest.java:42)    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:606)    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.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)    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:467)    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

解决方法：
在主配置文件中配置mapper.xml

<mappers>  <mapper resource="mapper/usermapper.xml"/></mappers>

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