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工作
我创建了服务器推送一个简单的Vaadin Web应用程序运行在本地就好了：https://github.com/breun/lastfm-friend-ranker与服务器推送Vaadin Web应用程序不能在OpenShift
我试图在使用Tomcat 7 OpenShift运行它，不过虽然接口出现在http://lastfmfriendranker-breunnl.rhcloud.com应用程序不实际工作，我在日志中看到以下内容：
WARNING: Failed using comet support: org.atmosphere.container.Tomcat7AsyncSupportWithWebSocket, error: Tomcat failed to detect this is a Comet application because context.xml is missing or the Http11NioProtocol Connector is not enabled.
If that's not the case, you can also remove META-INF/context.xml and WEB-INF/lib/atmosphere-compat-tomcat.jar Is the Nio or Apr Connector enabled?
Mar 01, 2014 11:58:42 AM org.atmosphere.cpr.AtmosphereFramework doCometSupport
WARNING: Using org.atmosphere.container.Tomcat7BIOSupportWithWebSocket
Mar 01, 2014 11:58:42 AM org.atmosphere.client.TrackMessageSizeInterceptor inspect
SEVERE: IllegalStateException. AsyncWriter is null. WebSocket and org.atmosphere.client.TrackMessageSizeInterceptor won't work.
我需要在OpenShift什么配置的东西异步支持？