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  • Null media type

    Sorry for posting this quetion here. I didn't get answer anywhere, so i'm posting here hoping i will get some clue / answer to my problem. Sorry again.

    I 've developed a portal using spring web MVC and deployed onto jetspeed portal server. Everything is working fine. But, occassionally i get "Media Type Null" error on the browser from jetspeed. It's happenning for the past 1 month and i'm unable to fix the problem. The only solution to it is to restart the server.

    I've a front page with flash animation on it. When we try to access the portal, the front page , the following error is thrown.

    Code:
    type Exception report
    message 
    description The server encountered an internal error () that prevented it from fulfilling this request.
    exception 
    javax.servlet.ServletException: Fatal error encountered while processing portal request: org.apache.jetspeed.pipeline.PipelineException: CapabilityMap returned a null media type
    	org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:251)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    	org.apache.jetspeed.engine.servlet.XXSUrlAttackFilter.doFilter(XXSUrlAttackFilter.java:52)
    root cause 
    org.apache.jetspeed.pipeline.PipelineException: CapabilityMap returned a null media type
    	org.apache.jetspeed.capabilities.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:78)
    	org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
    	org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:146)
    	org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:227)
    	org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:242)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    	org.apache.jetspeed.engine.servlet.XXSUrlAttackFilter.doFilter(XXSUrlAttackFilter.java:52)
    note The full stack trace of the root cause is available in the Apache Tomcat/5.5.23 logs.
    I've a great pressure from management to fix this issue and it's hindering our alpha release of the software.

    Can anybody get any clue/ any sort of info that is cauign this error, please respond at the earliest.

    If any of you need any further info/clarification on the above, pls let me know.

    It will be a GREAT HELP to us.

    I appreciate any help in this regard.

    Thanks so much.
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