加载中…MyBatis出现映射文件的语句找不到对应的类的原因
(2016-02-17 00:36:06)
标签：
mybatis |
分类： JAVA错误汇总 |
org.apache.ibatis.exceptions.PersistenceException:
### Error updating database.
Cause: java.lang.IllegalArgumentException: Mapped
Statements collection does not contain value for
com._520it.mybatis.domain.User.save
### Cause:
java.lang.IllegalArgumentException: Mapped Statements collection
does not contain value for
com._520it.mybatis.domain.User.save
at
org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:147)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:134)
at
com._520it.mybatis.test.UserTest.testSave(UserTest.java:32)
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:44)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at
org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
at
org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at
org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at
org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by:
java.lang.IllegalArgumentException: Mapped Statements collection
does not contain value for
com._520it.mybatis.domain.User.save
at
org.apache.ibatis.session.Configuration$StrictMap.get(Configuration.java:672)
at
org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:507)
at
org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:500)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:144)
... 25 more
原因总结：在mybatis-config.xml文件中忘记引入UserMapper.xml，因为测试类是通过Resource对象的getResourceAsStream来获取config配置文件信息，如果config配置文件没有引入UserMapper.xml，那么MyBatis就无法管理他们对应的关系。
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