HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

java.lang.NullPointerException
    net.jforum.JForum.handleException(JForum.java:280)
    net.jforum.JForum.service(JForum.java:205)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:378)
    org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
    org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp(SessionFixationProtectionFilter.java:67)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.jamwiki.authentication.JAMWikiExceptionTranslationFilter.doFilter(JAMWikiExceptionTranslationFilter.java:67)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.jamwiki.authentication.JAMWikiPostAuthenticationFilter.doFilter(JAMWikiPostAuthenticationFilter.java:94)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.providers.anonymous.AnonymousProcessingFilter.doFilterHttp(AnonymousProcessingFilter.java:105)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.rememberme.RememberMeProcessingFilter.doFilterHttp(RememberMeProcessingFilter.java:116)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp(SecurityContextHolderAwareRequestFilter.java:91)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:277)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.logout.LogoutFilter.doFilterHttp(LogoutFilter.java:89)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175)
    org.springframework.security.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:99)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.20 logs.
Apache Tomcat/6.0.20