User from wrong site?

[Ruralinfo.net]

Hello,  some of my posters are having a problem with Error 500..  I am sure you have seen the error before but here is a copy and paste..  Please help

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More Details

Error 500

user from wrong site
Message: user from wrong site

RequestURI: /Riffling-and-casing-DPS-tp6802226p6802226.html;cid=1316209148760-592

Server: n2.nabble.com

Caused by:

fschmidt.util.servlet.JtpContextServlet$JtpServletException: url=http://rural-mail-talk.581397.n2.nabble.com/Riffling-and-casing-DPS-tp6802226p6802226.html;cid=1316209148760-592  method=GET user-agent=Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50 referer=http://rural-mail-talk.581397.n2.nabble.com/General-Count-Discussion-f6674492.html;cid=1316209148760-592 remote=71.214.88.88
        at fschmidt.util.servlet.JtpContextServlet.handleException(JtpContextServlet.java:558)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:463)
        at fschmidt.util.servlet.JtpContextServlet.service(JtpContextServlet.java:332)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352)
        at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:77)
        at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:141)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)
        at cachingfilter.CachingFilter.doFilter(CachingFilter.java:157)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)
        at fschmidt.util.servlet.BadBotFilter.doFilter(BadBotFilter.java:74)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)
        at nabble.view.lib.NabbleErrorFilter.doFilter(NabbleErrorFilter.java:21)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110)
        at org.eclipse.jetty.server.Server.handle(Server.java:346)
        at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589)
        at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214)
        at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: user from wrong site
        at nabble.model.SiteImpl.filter(SiteImpl.java:466)
        at nabble.model.SiteImpl.getUser(SiteImpl.java:471)
        at nabble.view.lib.Jtp.getUser(Jtp.java:94)
        at nabble.view.lib.Jtp.getVisitor(Jtp.java:61)
        at nabble.view.web.forum.Permalink.service(Permalink.java:94)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:461)
        ... 34 more

[Peter <Nabble>]

Cleaning your cache and cookies fix this.