It seems that the clustering issue hasn’t been raised in awhile and for the life of me I can’t figure out a solution to my problem here. I’ve got two VMware servers, each running Win2003 R2 SP2, with Openfire 3.6.4. I’ve installed the modified Coherence 3.5.3 (with modified coherence.jar) and installed the plugins. But I’m getting really weird results with the servers.
If I run both servers with clustering DISABLED, then I can connect to either or seperately. Sessions tab is working and all.
If I run one server with clustering ENABLED and the other DISABLED, then I can connect to either or seperately. Sessions tab is working and all. The clustering section on the ENABLED server will display a load if it has one.
If I run both servers with clustering ENABLED, all hell breaks loose. Suddenly, I can’t connect to either server, seperately or corporately (using DNS round robin). Clients hang on connection, and the server it’s trying to connect to will display the load of trying-to-connect clients in the clustering section. And the session tab renders this error:
Exception:
java.lang.NullPointerException
at org.jivesoftware.openfire.admin.session_002dsummary_jsp._jspService(session_002dsummary_jsp.java:377)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.jivesoftware.util.LocaleFilter.doFilter(LocaleFilter.java:66)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.jivesoftware.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:42)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.jivesoftware.admin.PluginFilter.doFilter(PluginFilter.java:70)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.jivesoftware.admin.AuthCheckFilter.doFilter(AuthCheckFilter.java:146)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
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:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
If I turn off a server, or disable clustering, things start working again. Anybody have any ideas?