我所做的就是向 web.xml 添加一个新的 servlet,如下所示:
<servelt>
<servlet-name>NewService</servlet-name>
<servlet-class>app.server.NewServiceImpl</servlet-class>
</servelt>
<servlet-mapping>
<servlet-name>NewService</servlet-name>
<url-pattern>/MyApp/NewService</url-pattern>
</servlet-mapping>
但是,当我添加这些行并尝试运行我的应用程序时,我的其他 servlet 之一出现服务不可用错误。我确定课程路径是正确的,并且课程正在被遵守。我还在 web.xml 的 web-app 标记之间添加了这些。有谁知道为什么添加这个 servlet 会破坏我的应用程序?
编辑:
当我在计算机上启动我的应用程序时,出现此错误:
WARNING: Failed startup of context com.google.appengine.tools.development.DevAppEngineWebAppContext@6a360482{/,C:\Users\Admin\MyApp\war} java.lang.IllegalStateException: No such servlet: NewService at org.mortbay.jetty.servlet.ServletHandler.updateMappings(ServletHandler.java:1026) at org.mortbay.jetty.servlet.ServletHandler.setServletMappings(ServletHandler.java:1110) at org.mortbay.jetty.webapp.WebXmlConfiguration.initialize(WebXmlConfiguration.java:306) at org.mortbay.jetty.webapp.WebXmlConfiguration.configure(WebXmlConfiguration.java:222) at org.mortbay.jetty.webapp.WebXmlConfiguration.configureWebApp(WebXmlConfiguration.java:180) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1247) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:224) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:197) at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:241) at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:148) at com.google.appengine.tools.development.gwt.AppEngineLauncher.start(AppEngineLauncher.java:97) at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:509) at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1068) at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:811) at com.google.gwt.dev.DevMode.main(DevMode.java:311)