org.springframework.beans.factory.BeanCreationException

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最新推荐文章于 2024-05-10 15:51:24 发布

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本文介绍了Spring中BeanCreationException异常的两种常见原因：文件上传时缺少jar包和bean注解错误。提供了解决方案，包括检查注解并确保正确导入相关依赖。

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org.springframework.beans.factory.BeanCreationException

导致出现此异常的原因我找到的原因有两种：
一：在使用上传文件时报此异常

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'multipartResolver': Lookup method resolution failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.web.multipart.commons.CommonsMultipartResolver] from ClassLoader [ParallelWebappClassLoader

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'multipartResolver': Lookup method resolution failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.web.multipart.commons.CommonsMultipartResolver] from ClassLoader [ParallelWebappClassLoader
  context: ROOT
  delegate: false
----------> Parent Classloader:
java.net.URLClassLoader@156643d4
]
		at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:262)
		at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1198)
		at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1123)
		at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)
		at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502)
		at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:312)
		at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
		at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:310)
		at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
		at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:758)
		at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:868)
		at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
		at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:676)
		at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:642)
		at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:690)
		at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:558)
		at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:499)
		at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:172)
		at javax.servlet.GenericServlet.init(GenericServlet.java:158)
		at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1134)
		at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1089)
		at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:761)
		at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:135)
		at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
		at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
		at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
		at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
		at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
		at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
		at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
		at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
		at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
		at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
		at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1587)
		at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
		at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
		at java.lang.Thread.run(Thread.java:748)

原因在于没有导入jar包

   <dependency>
    <groupId>commons-fileupload</groupId>
    <artifactId>commons-fileupload</artifactId>
    <version>1.3.1</version>
  </dependency>