springBoot部署时controller类找不着实体，但是确实有引入依赖，是什么问题呢？开发环境测试是正常启动的，就是要部署到tomcat上面提示找不着类，快疯了，求助！！

最新推荐文章于 2024-01-10 12:10:54 发布

原创最新推荐文章于 2024-01-10 12:10:54 发布 · 466 阅读

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在将SpringBoot应用部署到Tomcat时遇到BeanCreationException，具体表现为无法找到ArticleController类及其依赖的PageResult类。错误日志显示NoClassDefFoundError，但确认了依赖存在。解决方案是检查引入的项目包是否完整，避免使用SpringBoot完整项目包，只使用所需模块。

2019-06-24 23:46:48.595 WARN 10756 — [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframewo
rk.beans.factory.BeanCreationException: Error creating bean with name ‘articleController’: Failed to introspect bean class [com.ttaas.web.portal.contorller.ArticleController] for lookup method meta
data: could not find class that it depends on; nested exception is java.lang.NoClassDefFoundError: com/ttaas/utils/result/PageResult
2019-06-24 23:46:48.596 INFO 10756 — [ main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit ‘default’
2019-06-24 23:46:48.602 INFO 10756 — [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2019-06-24 23:46:48.618 INFO 10756 — [ main] utoConfigurationReportLoggingInitializer :

Error starting ApplicationContext. To display the auto-configuration report re-run your application with ‘debug’ enabled.
2019-06-24 23:46:48.627 ERROR 10756 — [ main] o.s.boot.SpringApplication : Application startup failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘articleController’: Failed to introspect bean class [com.ttaas.web.portal.contorller.ArticleController] for l
ookup method metadata: could not find class that it depends on; nested exception is java.lang.NoClassDefFoundError: com/ttaas/utils/result/PageResult
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:267)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1122)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1096)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:511)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:481)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:312)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:308)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:756)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:124)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107)
at com.ttaas.web.TtaasWebApplication.main(TtaasWebApplication.java:16)
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)
Caused by: java.lang.NoClassDefFoundError: com/ttaas/utils/result/PageResult
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.getDeclaredMethods(Class.java:1975)
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:612)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:523)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:509)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:245)
… 26 common frames omitted
Caused by: java.lang.ClassNotFoundException: com.ttaas.utils.result.PageResult
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:94)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
… 33 common frames omitted