We are installing a RAP application Cluster (failover management using
SimpleTcpCluster) behind a load balancer (httpd/mod-jk). The load balancer
with 4 instances TOMCAT (tcServer-6.0) works fine. But after activating
the failover function, we have an exception of "attribut non serialisable".
09-Sep-2009 10:00:53 SEVERE
org.apache.catalina.core.StandardWrapperValve.invoke "Servlet.service()"
pour la servlet equinoxbridgeservlet a généré une exception
java.lang.IllegalArgumentException: "setAttribute": attribut non
sérialisable
at
org.apache.catalina.session.StandardSession.setAttribute(StandardSession.java:1295)
at
org.apache.catalina.ha.session.DeltaSession.setAttribute(DeltaSession.java:567)
at
org.apache.catalina.ha.session.DeltaSession.setAttribute(DeltaSession.java:551)
at
org.apache.catalina.session.StandardSessionFacade.setAttribute(StandardSessionFacade.java:130)
at
org.eclipse.equinox.http.servlet.internal.HttpSessionAdaptor.setAttribute(HttpSessionAdaptor.java:96)
at
org.eclipse.rwt.internal.service.SessionStoreImpl.<init>(SessionStoreImpl.java:40)
at
org.eclipse.rwt.internal.service.ContextProvider.getSession(ContextProvider.java:152)
at org.eclipse.rwt.internal.engine.RWTDelegate.doPost(RWTDelegate.java:61)
at
org.eclipse.rap.ui.internal.servlet.RequestHandler.service(RequestHandler.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111)
at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:59)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:156)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:347)
at
org.apache.catalina.ha.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:210)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
at
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
at
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
Did you have any experience on setup of RAP application Cluster ?