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CapabilityMap returned a null media type error on browser

 
Laxmi Raghu
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Posts: 218
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HI All,

I developed a portal using spring portlet MVC on jetspeed portal server on linux platform. The login page has a multimedia animation (.swf file). Sometimes when i access the portal from outside, it gives below error.

****************error ********************

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.

******************** error ends here *************************

Please help to resolve this error.

Thanks so much.
 
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