使用grails事件推送插件不会发生websocket连接

我正在尝试集成grails events-push插件以将事件推送到浏览器，但是它不起作用。我为此做了以下更改

BuildConfig.groovy

 grails.tomcat.nio = true
 compile ":events-push:1.0.M7"

Config.groovy

events.push.servlet.initParams = [
        'org.atmosphere.cpr.cometSupport': 'org.atmosphere.container.Tomcat7CometSupport',
        "org.atmosphere.cpr.CometSupport.maxInactiveActivity": "100000"
 ]

  tomcat.nio=true

由于tomcat无法使用，因此从META-INF文件夹中删除了context.xml（由插件生成）

在客户端，即角度js

window.grailsEvents = new grails.Events('http://localhost:8080');

我设法成功启动了我的应用程序。我也在日志下面的消息

DEBUG cpr.DefaultBroadcaster  - Broadcaster eventsbus doesn't have any associated resource. Message will be cached in the configured BroadcasterCache

当我在浏览器websocket中打开应用程序时，卜不起作用。在服务端，我看到以下消息

2014-05-01 15:19:56,365 [http-nio-8080-exec-3] DEBUG cpr.AsynchronousProcessor  - Timing out the connection for request AtmosphereRequest{ contextPath= servletPath=/g-eventsbus pathInfo=/eventsbus requestURI=/g-eventsbus/eventsbus requestURL=http://localhost:8080/g-eventsbus/eventsbus destroyable=false}
2014-05-01 15:19:56,366 [http-nio-8080-exec-3] WARN  websocket.DefaultWebSocketProcessor  - Unable to retrieve AtmosphereResource for org.apache.catalina.websocket.WsOutbound@269dd750
2014-05-01 15:19:57,783 [http-nio-8080-exec-5] DEBUG cpr.AsynchronousProcessor  - Timing out the connection for request AtmosphereRequest{ contextPath= servletPath=/g-eventsbus pathInfo=/eventsbus requestURI=/g-eventsbus/eventsbus requestURL=http://localhost:8080/g-eventsbus/eventsbus destroyable=false}

我在浏览器控制台端看到了

WebSocket connection to 'ws://localhost:8080/g-eventsbus/eventsbus?X-Atmosphere-tracking-id=0&X-Atmosphere-Framework=1.1.0.beta3&X-Atmosphere-Transport=websocket&X-Atmosphere-TrackMessageSize=true&X-Cache-Date=0&topics=eventsbus' failed: WebSocket is closed before the connection is established. 

伙计们，请帮帮我，我长期以来一直在努力使用此插件。