Error creating bean with name 'com.github.pagehelper.autoconfigure.MapperAutoConfiguration': Invoca

灰太狼 2021-05-12 11:55 811阅读 0赞

SpringBoot+MyBatis使用通用Mapper 启动报错：

  1. 2018-09-04 17:16:41.382 ERROR org.springframework.boot.SpringApplication Line:842 - Application run failed
  2. org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.autoconfigure.MapperAutoConfiguration': Invocation of init method failed; nested exception is tk.mybatis.mapper.MapperException: tk.mybatis.mapper.MapperException: java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.TypeVariableImpl cannot be cast to java.lang.Class
  3.     at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:138)
  4.     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:424)
  5.     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1700)
  6.     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:581)
  7.     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503)
  8.     at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
  9.     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
  10.     at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
  11.     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
  12.     at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760)
  13.     at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)
  14.     at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
  15.     at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
  16.     at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
  17.     at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)
  18.     at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)
  19.     at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255)
  20.     at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243)
  21.     at com.hcycom.oe.HcyOeServiceApplication.main(HcyOeServiceApplication.java:15)
  22.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  23.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  24.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  25.     at java.lang.reflect.Method.invoke(Method.java:498)
  26.     at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
  27. Caused by: tk.mybatis.mapper.MapperException: tk.mybatis.mapper.MapperException: java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.TypeVariableImpl cannot be cast to java.lang.Class
  28.     at tk.mybatis.mapper.mapperhelper.MapperHelper.setSqlSource(MapperHelper.java:248)
  29.     at tk.mybatis.mapper.mapperhelper.MapperHelper.processConfiguration(MapperHelper.java:311)
  30.     at tk.mybatis.mapper.mapperhelper.MapperHelper.processConfiguration(MapperHelper.java:290)
  31.     at com.github.pagehelper.autoconfigure.MapperAutoConfiguration.addPageInterceptor(MapperAutoConfiguration.java:75)
  32.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  33.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  34.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  35.     at java.lang.reflect.Method.invoke(Method.java:498)
  36.     at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:365)
  37.     at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:308)
  38.     at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:135)
  39.     ... 23 common frames omitted
  40. Caused by: tk.mybatis.mapper.MapperException: java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.TypeVariableImpl cannot be cast to java.lang.Class
  41.     at tk.mybatis.mapper.mapperhelper.MapperTemplate.setSqlSource(MapperTemplate.java:257)
  42.     at tk.mybatis.mapper.mapperhelper.MapperHelper.setSqlSource(MapperHelper.java:245)
  43.     ... 33 common frames omitted
  44. Caused by: java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.TypeVariableImpl cannot be cast to java.lang.Class
  45.     at tk.mybatis.mapper.mapperhelper.MapperTemplate.getEntityClass(MapperTemplate.java:289)
  46.     at tk.mybatis.mapper.provider.base.BaseDeleteProvider.delete(BaseDeleteProvider.java:50)
  47.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  48.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  49.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  50.     at java.lang.reflect.Method.invoke(Method.java:498)
  51.     at tk.mybatis.mapper.mapperhelper.MapperTemplate.setSqlSource(MapperTemplate.java:245)
  52.     ... 34 common frames omitted

解决方法：

1、自定义MyMapper.java要特别注意，不要把MyMapper放到同其他Mapper一起，该类不能被当做普通Mapper一样被扫描，否则会出错。

2、pageHelper.jar版本与MyBatis版本不兼容；

  1. <dependency>
  2.    <groupId>com.github.pagehelper</groupId>
  3.    <artifactId>pagehelper-spring-boot-starter</artifactId>
  4.    <version>1.2.3</version>
  5. </dependency>

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