DispatcherServlet - Roo 项目中的上下文初始化失败
我开发了一个 Roo 项目并部署到 Tomcat 6 服务器。 到目前为止，一切都运行良好。
我删除并重新添加了一个实体。
现在，每次启动 Tomcat 时，Spring Tool Suite 中都会出现此异常：
SEVERE: StandardWrapper.Throwable
Throwable occurred: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping#0': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.handler.MappedInterceptor#0': Cannot create inner bean '(inner bean)' of type [org.springframework.web.servlet.handler.ConversionServiceExposingInterceptor] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)': Cannot resolve reference to bean 'applicationConversionService' while setting constructor argument; nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [myproject.web.ApplicationConversionServiceFactoryBean] for bean with name 'applicationConversionService' defined in ServletContext resource [/WEB-INF/spring/webmvc-config.xml]; nested exception is java.lang.ClassNotFoundException: myproject.web.ApplicationConversionServiceFactoryBean
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [myproject.web.ApplicationConversionServiceFactoryBean] for bean with name 'applicationConversionService' defined in ServletContext resource [/WEB-INF/spring/webmvc-config.xml]; nested exception is java.lang.ClassNotFoundException: myproject.web.ApplicationConversionServiceFactoryBean
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
...
我需要做什么才能使其再次工作？
I develop a Roo project and deploy to a Tomcat 6 server.
Up until now everything was working fine.
I deleted and re-added an entity.
Now everytime when I start Tomcat I get this exception in the Spring Tool Suite:
SEVERE: StandardWrapper.Throwable
Throwable occurred: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping#0': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.handler.MappedInterceptor#0': Cannot create inner bean '(inner bean)' of type [org.springframework.web.servlet.handler.ConversionServiceExposingInterceptor] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)': Cannot resolve reference to bean 'applicationConversionService' while setting constructor argument; nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [myproject.web.ApplicationConversionServiceFactoryBean] for bean with name 'applicationConversionService' defined in ServletContext resource [/WEB-INF/spring/webmvc-config.xml]; nested exception is java.lang.ClassNotFoundException: myproject.web.ApplicationConversionServiceFactoryBean
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [myproject.web.ApplicationConversionServiceFactoryBean] for bean with name 'applicationConversionService' defined in ServletContext resource [/WEB-INF/spring/webmvc-config.xml]; nested exception is java.lang.ClassNotFoundException: myproject.web.ApplicationConversionServiceFactoryBean
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
...
What do I need to do to make it work again?
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spring 抱怨一个 bean 不可用（可能是你说删除的那个）。
尝试搜索配置 xml 文件 &删除对此类的引用，之后事情应该会恢复，
spring is complainig about a bean not being available (probably the one you say you deleted).
try to search the config xml files & remove the reference made to this class, things should be back after that,
我有同样的问题。
问题是我禁用了“项目>自动构建”功能，因此我必须手动构建项目。
一旦我手动构建项目，一切就恢复正常了。 :)
因此，不要忘记在部署项目之前构建项目，或者只是重新启用“项目 > 自动构建”功能。
希望有帮助。
I had the same exact issue.
The problem was that I disabled the "Project > Build Automatically" feature, so I had to manually build the project.
Once I manually built the project everything went back to normal. :)
So, don't forget to build the project before deploying it, or just re-enable the "Project > Build Automatically" feature.
Hope it helps.
部署到 Tomcat 的应用程序在 WEB-INF/lib 中没有包含 myproject.web.ApplicationConversionServiceFactoryBean 类的 jar 文件。我不知道那个类是什么，也不知道你在哪里可以找到它，但它丢失了。
Your app deployed to Tomcat doesn't have a jar file in WEB-INF/lib that contains the class myproject.web.ApplicationConversionServiceFactoryBean. I don't know what that class is or where you'd find it, but it's missing.
我的解决方法（使用eclipse和roo 1.1.5作为eclipse插件）
my workaround (worked with eclipse and roo 1.1.5 as eclipse plugin)
在STS里面，点击->project->clean
它清理并丢弃所有构建问题和构建状态，下次构建发生时，项目将从头开始重建。
Inside of STS, click ->project->clean
It clean and discard all build problems and built states, The next time a build occurs the projects will be rebuilt from scratch.