Error 500

[Daft]

Error 500

url=http://nabble-support.1.n2.nabble.com/template/TplServlet.jtp?tpl=user_nodes  method=GET user-agent=Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.13) Gecko/20100914 SeaMonkey/2.0.8 referer=http://nabble-support.1.n2.nabble.com/user/Register3.jtp?email=hessodaft%40gmail.com&key=0.7053443811990449&date=20100925 remote=71.127.188.39

RequestURI=/template/TplServlet.jtp
Caused by:

fschmidt.util.servlet.JtpContextServlet$JtpRuntimeException: url=http://nabble-support.1.n2.nabble.com/template/TplServlet.jtp?tpl=user_nodes  method=GET user-agent=Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.13) Gecko/20100914 SeaMonkey/2.0.8 referer=http://nabble-support.1.n2.nabble.com/user/Register3.jtp?email=hessodaft%40gmail.com&key=0.7053443811990449&date=20100925 remote=71.127.188.39
        at fschmidt.util.servlet.JtpContextServlet.handleException(JtpContextServlet.java:629)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:530)
        at fschmidt.util.servlet.JtpContextServlet.service(JtpContextServlet.java:331)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
        at org.mortbay.servlet.UserAgentFilter.doFilter(UserAgentFilter.java:81)
        at fschmidt.util.servlet.GzipFilter.doFilter(GzipFilter.java:137)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at cachingfilter.CachingFilter.doFilter(CachingFilter.java:133)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at fschmidt.util.servlet.BadBotFilter.doFilter(BadBotFilter.java:74)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:326)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
        at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: nabble.template.TemplateRuntimeException:
        in get_user_from_parameter - <n.get_user_from_parameter.as_user_page.do/> (utilities.macro.tpl:635) {public void nabble.view.web.template.ServletNamespace._get_user_from_parameter(nabble.template.IPrintWriter,nabble.template.ScopedInterpreter) throws java.io.IOException,javax.servlet.ServletException}
        in <macro name="user_nodes" requires="servlet"> (user_nodes.template.tpl:1)
        at nabble.template.Compiler.interpFix(Compiler.java:1220)
        at nabble.template.Compiler$Block.run(Compiler.java:1172)
        at nabble.template.Template.run(Template.java:92)
        at nabble.view.web.template.TemplateManager.run(TemplateManager.java:134)
        at nabble.view.web.template.TemplateManager.run(TemplateManager.java:127)
        at nabble.view.web.template.TplServlet.service(TplServlet.java:116)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:528)
        ... 25 more
Caused by: java.lang.NullPointerException
        at nabble.model.SiteImpl.getPerson(SiteImpl.java:562)
        at nabble.view.web.template.ServletNamespace._get_user_from_parameter(ServletNamespace.java:534)
        at sun.reflect.GeneratedMethodAccessor235.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at nabble.template.CompiledMethod.invoke(CompiledMethod.java:29)
        at nabble.template.Compiler$Block.run(Compiler.java:1168)
        ... 31 more

[Hugo <Nabble>]

The "user" parameter is missing in the URL you tried to open. I am not sure how you found that broken URL, but I will keep an eye on the logs. Please let me know if you see this issue again. Thanks.

[Mack Daddy]

This is a firefox bug
I have had it several times , every other website worked fine except nabble
Once when I could not view the forum with firefox I used another browser (opera) it worked fine.

both times when I had the error 500 screen , it went away after awhile.