Thanks filip... sessions are replicating now but still there are some issues.
can u please tell me sometimes it doesn't replicate session and i get session not found error in logs and screen crashes. 2008-11-10 13:45:50,703 INFO [com.vopium.interceptors.SecurityInterceptor - preHandle] - request.getRemoteAddr() 192.168.0.82 request.getRemoteHost() 192.168.0.82 /vopium/getproductlist.htm 2008-11-10 13:45:50,711 INFO [com.vopium.interceptors.SecurityInterceptor - preHandle] - Session Not Found So Redirecting to Login and requested uri is /vopium/getproductlist.htm (and after this screen crashes) also i am unable to understand following point that i got in clustering basics information The IP broadcasted is java.net.InetAddress.getLocalHost().getHostAddress() (make sure you don't broadcast 127.0.0.1, this is a common error) also there is another issue that when one tomcat gets down then apache takes some time to move to other server and meanwhile i get screen saying "service temporarily unavailable" after some time (15-25 seconds) when i refresh ...screen starts from same point with no session failure and apache sends hit to 2nd tomcat. Actually i am not the developer of this application i am just a configuration engineer... therefor it takes me time to understand that issue is either related to configuration or application end. waiting for helpful reply Filip Hanik - Dev Lists wrote: > > http://tomcat.apache.org/tomcat-6.0-doc/ > > look for "Cluster Basics" > > Filip > > kashif_tomcat wrote: >> Thanks Filip... >> >> i have got out of that problem... after adding clustering port in >> iptable. >> >> now i am getting another exception and following is detail. >> >> >> when i add <distributable/> tag in web.xml of my applicatoin and start >> tomcat. then after login my application crashs and i get following >> exception >> in logs. >> >> >> 2008-10-30 21:19:43,812 INFO [com.vopium.controller.LoginController - >> handleControllerRequest] - Exception during LoginProcess setAttribute: >> Non-serializable attribute >> com.framework.exceptions.BaseRunTimeException >> 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 >> com.vopium.controller.LoginController.handleControllerRequest(Unknown >> Source) >> at >> com.framework.controllers.BaseController.handleRequestInternal(Unknown >> Source) >> at >> org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153) >> at >> org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48) >> at >> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875) >> at >> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:809) >> at >> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571) >> at >> org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:511) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) >> 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 com.vopium.portal.utilities.URLFilter.doFilter(Unknown Source) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >> 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.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:209) >> at >> org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:347) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) >> at >> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) >> at >> org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) >> at >> org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) >> at >> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) >> at >> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) >> at >> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690) >> at java.lang.Thread.run(Thread.java:619) >> 2008-10-30 21:19:43,829 INFO [com.vopium.interceptors.SecurityInterceptor >> - >> preHandle] - request.getRemoteAddr() 192.168.0.82 >> request.getRemoteHost() >> 192.168.0.82 /vopium/dashboard.htm >> 2008-10-30 21:19:43,830 INFO [com.vopium.interceptors.SecurityInterceptor >> - >> preHandle] - Session Not Found So Redirecting to Login and requested uri >> is >> /vopium/dashboard.htm >> >> >> and when i don,t add <distributable/> tag in web.xml of my application >> then >> application logins successfully but when tomcat 1 is down then session >> doesn't move to tomcat 2 and at that time application crash with same >> behavior and throws following msg in logs of tomcat 2 (catalina.out). >> >> >> >> 2008-10-30 20:34:51,126 INFO [com.vopium.interceptors.SecurityInterceptor >> - >> preHandle] - request.getRemoteAddr() 192.168.0.82 >> request.getRemoteHost() >> 192.168.0.82 /vopium/balanceandpaymentshistory.htm >> 2008-10-30 20:34:51,127 INFO [com.vopium.interceptors.SecurityInterceptor >> - >> preHandle] - Session Not Found So Redirecting to Login and requested uri >> is >> /vopium/balanceandpaymentshistory.htm >> >> >> i ll be thankful to you if u can tell me that is it configuration issue >> or >> development issue? and wt to do to fix iit. >> >> >> >> >> >> >> >> >> Filip Hanik - Dev Lists wrote: >> >>> looks like your computer is not configured to allow multicast >>> >>> Caused by: java.io.IOException: Operation not permitted >>> at java.net.PlainDatagramSocketImpl.send(Native Method) >>> at java.net.DatagramSocket.send(DatagramSocket.java:612) >>> >>> http://www.dancres.org/bjspj/docs/docs/linux.html >>> >>> Filip >>> >>> >>> kashif_tomcat wrote: >>> >>>> Filip following is detail of exception that i get in catalian.out while >>>> starting tomcat server. >>>> >>>> >>>> 2008-10-22 17:51:59,297 INFO [org.hibernate.impl.SessionFactoryImpl - >>>> close] >>>> - closing >>>> Oct 22, 2008 5:51:59 PM org.apache.coyote.http11.Http11Protocol destroy >>>> INFO: Stopping Coyote HTTP/1.1 on http-8091 >>>> Oct 22, 2008 6:02:46 PM org.apache.catalina.core.AprLifecycleListener >>>> init >>>> INFO: The APR based Apache Tomcat Native library which allows optimal >>>> performance in production environments was not found on the >>>> java.library.path: >>>> /u/bin/JDK/jdk1.6.0_10/jre/lib/i386/server:/u/bin/JDK/jdk1.6.0_10/jre/lib/i386:/u/bin/JDK/jdk1.6.0_10/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib >>>> Oct 22, 2008 6:02:46 PM org.apache.coyote.http11.Http11Protocol init >>>> INFO: Initializing Coyote HTTP/1.1 on http-8091 >>>> Oct 22, 2008 6:02:46 PM org.apache.catalina.startup.Catalina load >>>> INFO: Initialization processed in 406 ms >>>> Oct 22, 2008 6:02:46 PM org.apache.catalina.core.StandardService start >>>> INFO: Starting service Catalina >>>> Oct 22, 2008 6:02:46 PM org.apache.catalina.core.StandardEngine start >>>> INFO: Starting Servlet Engine: Apache Tomcat/6.0.18 >>>> Oct 22, 2008 6:02:46 PM org.apache.catalina.ha.tcp.SimpleTcpCluster >>>> start >>>> INFO: Cluster is about to start >>>> Oct 22, 2008 6:02:46 PM >>>> org.apache.catalina.tribes.transport.ReceiverBase >>>> bind >>>> INFO: Receiver Server Socket bound to:/203.215.179.36:4000 >>>> Oct 22, 2008 6:02:46 PM >>>> org.apache.catalina.tribes.membership.McastServiceImpl setupSocket >>>> INFO: Setting cluster mcast soTimeout to 500 >>>> Oct 22, 2008 6:02:46 PM >>>> org.apache.catalina.tribes.membership.McastServiceImpl waitForMembers >>>> INFO: Sleeping for 1000 milliseconds to establish cluster membership, >>>> start >>>> level:4 >>>> Oct 22, 2008 6:02:47 PM >>>> org.apache.catalina.tribes.membership.McastServiceImpl waitForMembers >>>> INFO: Done sleeping, membership established, start level:4 >>>> Oct 22, 2008 6:02:47 PM org.apache.catalina.ha.tcp.SimpleTcpCluster >>>> start >>>> SEVERE: Unable to start cluster. >>>> org.apache.catalina.tribes.ChannelException: java.io.IOException: >>>> Operation >>>> not permitted; No faulty members identified. >>>> at >>>> org.apache.catalina.tribes.group.ChannelCoordinator.internalStart(ChannelCoordinator.java:169) >>>> at >>>> org.apache.catalina.tribes.group.ChannelCoordinator.start(ChannelCoordinator.java:97) >>>> at >>>> org.apache.catalina.tribes.group.ChannelInterceptorBase.start(ChannelInterceptorBase.java:149) >>>> at >>>> org.apache.catalina.tribes.group.ChannelInterceptorBase.start(ChannelInterceptorBase.java:149) >>>> at >>>> org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor.start(MessageDispatchInterceptor.java:147) >>>> at >>>> org.apache.catalina.tribes.group.ChannelInterceptorBase.start(ChannelInterceptorBase.java:149) >>>> at >>>> org.apache.catalina.tribes.group.GroupChannel.start(GroupChannel.java:407) >>>> at >>>> org.apache.catalina.ha.tcp.SimpleTcpCluster.start(SimpleTcpCluster.java:669) >>>> at >>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1035) >>>> at >>>> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) >>>> at >>>> org.apache.catalina.core.StandardService.start(StandardService.java:516) >>>> at >>>> org.apache.catalina.core.StandardServer.start(StandardServer.java:710) >>>> at >>>> org.apache.catalina.startup.Catalina.start(Catalina.java:578) >>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>>> at >>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >>>> at >>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>>> at java.lang.reflect.Method.invoke(Method.java:597) >>>> at >>>> org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) >>>> at >>>> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) >>>> Caused by: java.io.IOException: Operation not permitted >>>> at java.net.PlainDatagramSocketImpl.send(Native Method) >>>> at java.net.DatagramSocket.send(DatagramSocket.java:612) >>>> at >>>> org.apache.catalina.tribes.membership.McastServiceImpl.send(McastServiceImpl.java:385) >>>> at >>>> org.apache.catalina.tribes.membership.McastServiceImpl.start(McastServiceImpl.java:244) >>>> at >>>> org.apache.catalina.tribes.membership.McastService.start(McastService.java:318) >>>> at >>>> org.apache.catalina.tribes.group.ChannelCoordinator.internalStart(ChannelCoordinator.java:158) >>>> ... 18 more >>>> Oct 22, 2008 6:02:47 PM org.apache.catalina.startup.Catalina start >>>> SEVERE: Catalina.start: >>>> LifecycleException: org.apache.catalina.tribes.ChannelException: >>>> java.io.IOException: Operation not permitted; No faulty members >>>> identified. >>>> at >>>> org.apache.catalina.ha.tcp.SimpleTcpCluster.start(SimpleTcpCluster.java:676) >>>> at >>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1035) >>>> at >>>> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) >>>> at >>>> org.apache.catalina.core.StandardService.start(StandardService.java:516) >>>> at >>>> org.apache.catalina.core.StandardServer.start(StandardServer.java:710) >>>> at >>>> org.apache.catalina.startup.Catalina.start(Catalina.java:578) >>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>>> at >>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >>>> at >>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>>> at java.lang.reflect.Method.invoke(Method.java:597) >>>> at >>>> org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) >>>> at >>>> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) >>>> Oct 22, 2008 6:02:47 PM org.apache.catalina.startup.Catalina start >>>> INFO: Server startup in 1140 ms >>>> >>>> i am using ajp port 8109 to connect with tomcat. and added jvmRoute in >>>> server.xml in following tag. >>>> >>>> <Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1"> >>>> >>>> and uncommented following tag >>>> >>>> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/> >>>> >>>> >>>> tell me please if anything more is required to do this clustering in >>>> tomcat. >>>> thanks >>>> >>>> >>>> >>>> Filip Hanik - Dev Lists wrote: >>>> >>>> >>>>> if you paste in the whole error, we can tell you. we are missing the >>>>> root cause of the error, the IO exception that happened during startup >>>>> >>>>> Filip >>>>> >>>>> kashif_tomcat wrote: >>>>> >>>>> >>>>>> can anyone help me for clustering in tomcat. >>>>>> >>>>>> here is scenario: >>>>>> >>>>>> two tomcat servers running on same linux machine on different ports >>>>>> with >>>>>> apache installed on front side as web server and using mode proxy ajp >>>>>> for >>>>>> integration with tomcat. now i uncommented following tag in >>>>>> server.xml >>>>>> of >>>>>> tomcat conf to enable clustering. >>>>>> >>>>>> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/> >>>>>> >>>>>> when i start tomcat server i get following exception: >>>>>> >>>>>> INFO: Done sleeping, membership established, start level:4 >>>>>> Oct 21, 2008 3:04:38 PM org.apache.catalina.ha.tcp.SimpleTcpCluster >>>>>> start >>>>>> SEVERE: Unable to start cluster. >>>>>> org.apache.catalina.tribes.ChannelException: java.io.IOException: >>>>>> Operation >>>>>> not permitted; No faulty members identified. >>>>>> at >>>>>> org.apache.catalina.tribes.group.ChannelCoordinator.internalStart(ChannelCoordinator.java:169) >>>>>> at >>>>>> org.apache.catalina.tribes.group.ChannelCoordinator.start(ChannelCoordinator.java:97) >>>>>> at >>>>>> org.apache.catalina.tribes.group.ChannelInterceptorBase.start(ChannelInterceptorBase.java:149) >>>>>> ) >>>>>> >>>>>> >>>>>> can anyone tell me what more should i do ? is there anything missing? >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> 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