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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