Hi all,

I have issue with atmosphere, below is the log:

2013-05-01 19:11:32.880602500 INFO  - AtmosphereBehavior         - Resuming the 
streaming response from ip 127.0.0.101:41704
2013-05-01 19:11:32.880714500 INFO  - AtmosphereBehavior         - streaming 
connection dropped from ip 127.0.0.101:41704
2013-05-01 19:11:32.886105500 ERROR - AtmosphereBehavior         - 
2013-05-01 19:11:32.886106500 java.lang.NullPointerException
2013-05-01 19:11:32.886106500     at 
org.apache.wicket.atmosphere.EventBus.get(EventBus.java:87)

Also I found that this issue make my application become unresponsive and cause 
tomcat shut down.  Did anybody ever experiencing this? 

Any help will be appreciated. Thank you.

Below is my web.xml

<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <listener>
        
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <servlet>
        <description>wicket.admin</description>
        <servlet-name>wicket.admin</servlet-name>
        <servlet-class>org.atmosphere.cpr.AtmosphereServlet</servlet-class>
        <init-param>
            <param-name>applicationClassName</param-name>
            <param-value>com.admin.WicketApplication</param-value>
        </init-param>
        <init-param>
            <param-name>configuration</param-name>
            <param-value>deployment</param-value>
        </init-param>
        <init-param>
            <param-name>org.atmosphere.useWebSocket</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>org.atmosphere.useNative</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>org.atmosphere.cpr.sessionSupport</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>filterMappingUrlPattern</param-name>
            <param-value>/*</param-value>
        </init-param>
        <init-param>
            <param-name>org.atmosphere.websocket.WebSocketProtocol</param-name>
            
<param-value>org.atmosphere.websocket.protocol.EchoProtocol</param-value>
        </init-param>
        <init-param>
            <param-name>org.atmosphere.cpr.broadcastFilterClasses</param-name>
            
<param-value>org.apache.wicket.atmosphere.TrackMessageSizeFilter</param-value>
        </init-param>
        <load-on-startup>0</load-on-startup>
    </servlet>       
    
    <servlet-mapping>
        <servlet-name>wicket.admin</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping> 

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