【異常總結】mapper.xml檔案parameterType值導致的服務啟動失敗
阿新 • • 發佈:2018-12-17
錯誤日誌:
2018-10-24 15:09:25.796 ERROR [main] o.s.boot.SpringApplication:845- Application run failed org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'faceLibraryMapperManager': Unsatisfied dependency expressed through field 'mapper'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'faceLibraryMapper' defined in URL [jar:file:/opt/GA_II/vdp-face/vdp-face.ja r!/BOOT-INF/classes!/com/unisinsight/vdp/face/mapper/FaceLibraryMapper.class]: Cannot resolve reference to bean 'sqlSessionFactoryBean' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactoryBean' defined in class path resource [com/unisinsight/vdp/face/common/config/MybatisConfigurer.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactoryBean' threw exception; nested exception is org.springframework.core. NestedIOException: Failed to parse mapping resource: 'class path resource [mybatis/FaceLibraryMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'class path resource [mybatis/FaceLibraryMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache .ibatis.type.TypeException: Could not resolve type alias 'FaceLibrary'. Cause: java.lang. ClassNotFoundException: Cannot find class: FaceLibrary at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:586) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:372) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1341) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:572) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:759) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:762) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:398) at org.springframework.boot.SpringApplication.run(SpringApplication.java:330) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1258) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1246) at com.unisinsight.vdp.face.Application.main(Application.java:10) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51) @ @
重要的報錯資訊是最後一句:
Error parsing Mapper XML. The XML location is 'class path resource [mybatis/FaceLibraryMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache .ibatis.type.TypeException: Could not resolve type alias 'FaceLibrary'. Cause: java.lang .ClassNotFoundException: Cannot find class: FaceLibrary
日誌表示解析FaceLibraryMapper.xml失敗了,原因是沒有找到FaceLibrary這個類。
而導致這個異常的原因竟然是因為我在xml檔案裡面定義的parameterType=“FaceLibrary”!
在使用idea啟動服務的時候,並沒有出現啟動異常,而在linux上用打包好的jar包啟動卻丟擲了這個異常。最後我添加了FaceLibrary的類路徑才解決這個問題,即parameterType=“com.unisinsight.vdp.face.model.FaceLibrary”