1

一切工作正常,直到我添加一个新的Java包到我的项目中,当我运行我的应用程序堆栈跟踪显示java.lang.ClassNotFoundException,我不得不引用另一个类库,因为我无法弄清楚如何使用eclipse编译新的新类。我添加了一个外部文件夹到我的构建路径来暂时解决问题,但现在我面临着同样的问题。类未发现异常:STS

堆栈跟踪和web.xml低于:

我的问题是,你怎么办编译项目使用Eclipse创建新类?

Caused by: java.lang.ClassNotFoundException: org.bixin.dugsi.security.JpaRealm 
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1676) 
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1521) 
at org.springframework.util.ClassUtils.forName(ClassUtils.java:257) 
at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:408) 
at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1271) 
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1242) 
... 38 more 

WEB XML:

 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 
</listener> 

<servlet> 
    <servlet-name>Dugsi_Manager Vaadin Application Servlet</servlet-name> 
    <servlet-class>com.vaadin.terminal.gwt.server.ApplicationServlet</servlet-class> 
    <init-param> 
     <param-name>application</param-name> 
     <param-value>org.bixin.dugsi.web.DugsiManagerApplication</param-value> 
    </init-param> 
</servlet> 

<servlet-mapping> 
    <servlet-name>Dugsi_Manager Vaadin Application Servlet</servlet-name> 
    <url-pattern>/*</url-pattern> 
</servlet-mapping> 

回答

1

做了mvn cleanmvn build清除所有老班的缓存和创建新类