not known to the MapperRegistry

短命女 2022-06-15 03:54 266阅读 0赞 
  1. org.apache.ibatis.binding.BindingException: Type interface com.hl.mybatis.first.mapper.UserMapper is not known to the MapperRegistry.
  2.     at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:47)
  3.     at org.apache.ibatis.session.Configuration.getMapper(Configuration.java:732)
  4.     at org.apache.ibatis.session.defaults.DefaultSqlSession.getMapper(DefaultSqlSession.java:292)
  5.     at com.hl.mybatis.first.test.UserMapperTest.testfindUserByID(UserMapperTest.java:42)
  6.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  7.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  8.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  9.     at java.lang.reflect.Method.invoke(Method.java:606)
  10.     at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
  11.     at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
  12.     at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
  13.     at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
  14.     at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
  15.     at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
  16.     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
  17.     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
  18.     at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
  19.     at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
  20.     at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
  21.     at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
  22.     at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
  23.     at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
  24.     at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
  25.     at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
  26.     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
  27.     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
  28.     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
  29.     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

  1. <mappers>
  2.   <mapper resource="mapper/usermapper.xml"/>
  3. </mappers>

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