[jboss-user] [Installation, Configuration & DEPLOYMENT] - Deploying a RichFaces application

[siven555]

I got the following message when I tried to view my xhtml pages.

type Exception report
message 
description 
The server encountered an internal error () that prevented it from fulfilling this request.
exception 
javax.servlet.ServletException: Stack must not be null
        org.jboss.seam.web.ExceptionFilter.endWebRequestAfterException(ExceptionFilter.java:103)
        org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:73)
        org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
        org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
        org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
        org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
        org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96)
        org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220)
        org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
root cause 
java.lang.IllegalArgumentException: Stack must not be null
        org.jboss.seam.core.ConversationEntry.(ConversationEntry.java:40)
        org.jboss.seam.core.ConversationEntries.createConversationEntry(ConversationEntries.java:50)
        org.jboss.seam.core.Manager.createConversationEntry(Manager.java:685)
        org.jboss.seam.core.Manager.beforeRedirect(Manager.java:834)
        org.jboss.seam.core.Manager.beforeRedirect(Manager.java:852)
        org.jboss.seam.exceptions.DebugPageHandler.handle(DebugPageHandler.java:24)
        org.jboss.seam.core.Exceptions.handle(Exceptions.java:79)
        org.jboss.seam.web.ExceptionFilter.endWebRequestAfterException(ExceptionFilter.java:91)
        org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:73)
        org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
        org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
        org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
        org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
        org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96)
        org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220)
        org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs.


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