org.apache.ibatis.type.TypeException: Could not resolve type alias 'xxxx'异常

末蓝、 2022-05-31 03:55 235阅读 0赞

异常：

二月 06, 2018 3:33:44 下午 org.apache.catalina.core.StandardContext listenerStart
    严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\newwork\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\h501\WEB-INF\classes\h5\mapper\IOrderItemMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'h5.model.OrderItem'.  Cause: java.lang.ClassNotFoundException: Cannot find class: h5.model.OrderItem
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:736)
    	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
    	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:434)
    	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
    	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
    	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4811)
    	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5251)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
    	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
    	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
    	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    	at java.lang.Thread.run(Thread.java:748)
    Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\newwork\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\h501\WEB-INF\classes\h5\mapper\IOrderItemMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'h5.model.OrderItem'.  Cause: java.lang.ClassNotFoundException: Cannot find class: h5.model.OrderItem
    	at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:484)
    	at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:355)
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1633)
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570)
    	... 21 more
    Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'h5.model.OrderItem'.  Cause: java.lang.ClassNotFoundException: Cannot find class: h5.model.OrderItem
    	at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:120)
    	at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92)
    	at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:482)
    	... 24 more
    Caused by: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'h5.model.OrderItem'.  Cause: java.lang.ClassNotFoundException: Cannot find class: h5.model.OrderItem
    	at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:103)
    	at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:66)
    	at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:135)
    	at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:128)
    	at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:118)
    	... 26 more
    Caused by: org.apache.ibatis.type.TypeException: Could not resolve type alias 'h5.model.OrderItem'.  Cause: java.lang.ClassNotFoundException: Cannot find class: h5.model.OrderItem
    	at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:117)
    	at org.apache.ibatis.builder.BaseBuilder.resolveAlias(BaseBuilder.java:130)
    	at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:101)
    	... 30 more
    Caused by: java.lang.ClassNotFoundException: Cannot find class: h5.model.OrderItem
    	at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:190)
    	at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:89)
    	at org.apache.ibatis.io.Resources.classForName(Resources.java:256)
    	at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:113)
    	... 32 more

原因：将resultMap写成了resultType,Type对应的是对象类，所以抛出ClassNotFoundException的异常，mybatis的结果是存放在resultMap中的。

解决办法：将resultType改成resultMap即可。