Hi Shiva,
Your config looks ok to me ... please can you confirm that all your
session attributes are "Serializable" ? Even if one is not then session
replication will have issues ... look at your application logs and confirm back
Thanks
Guru
-----Original Message-----
From: shiva sha [mailto:[EMAIL PROTECTED]
Sent: 20 June 2007 12:46
To: Tomcat Users List; [EMAIL PROTECTED]
Subject: Re: Session replication in tomcat5.5
Thanks Guru..
Below is the log entry from mod_jk.log
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1806):
worker tomcat1 contact is '192.168.10.30:8009'
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1895):
setting socket keepalive to 1
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1934):
setting socket timeout to -1
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1938):
setting socket buffer size to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1942):
setting connection recycle timeout to 180
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1946):
setting cache timeout to 180
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1950):
setting connect timeout to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1954):
setting reply timeout to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1958):
setting prepost timeout to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1962):
setting recovery opts to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1966):
setting number of retries to 3
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1843):
setting connection cache size to 20
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_worker.c (141): about to
create instance tomcat2 of ajp13
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_worker.c (154): about to
validate and init tomcat2
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1806):
worker tomcat2 contact is '192.168.10.50:9009'
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1895):
setting socket keepalive to 1
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1934):
setting socket timeout to -1
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1938):
setting socket buffer size to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1942):
setting connection recycle timeout to 180
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1946):
setting cache timeout to 180
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1950):
setting connect timeout to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1954):
setting reply timeout to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1958):
setting prepost timeout to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1962):
setting recovery opts to 0
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1966):
setting number of retries to 3
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_ajp_common.c (1843):
setting connection cache size to 20
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_lb_worker.c (833):
Balanced worker 0 has name tomcat1 in domain
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_lb_worker.c (833):
Balanced worker 1 has name tomcat2 in domain
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_worker.c (248): removing
old loadbalancer worker
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_shm.c (72): Shared memory
is already opened
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] jk_shm.c (105): Attached
shared memory [1] size=65536 free=64696 addr=0x7cb5c8
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] mod_jk.c (2306): Attached
shm:memory
[Mon Jun 18 21:27:32 2007] [2292:2296] [debug] mod_jk.c (2316): Initialized
mod_jk/1.2.14
[Mon Jun 18 21:54:41 2007] [2292:2296] [debug] mod_jk.c (1747): Shmem
cleanup
[Mon Jun 18 21:54:41 2007] [2292:2296] [debug] mod_jk.c (1747): Shmem
cleanup
[Mon Jun 18 21:54:41 2007] [2300:1396] [debug] mod_jk.c (1747): Shmem
cleanup
Can u pls give the tested code for tomcatapplication, serve.xml,
workers.properties, mod_jk.conf,mod_jk_cluster.conf. and how to run a
application..
Bcoz i tried with many times i cant get session replication..
Thanks
On 6/20/07, Phi-Long LE <[EMAIL PROTECTED]> wrote:
>
> did you try to add the address attribute within <connector> tag ?
> something looks strange in your worker.properties i.e.
>
> worker.tomcat1.lbfactor=1
> worker.tomcat2.lbfactor=100
> this two directive mean something like you will use 100 times tomcat2
> for 1 time tomcat1... if you want to use the two tomcat at the same load
> you should specify the same number
>
> can we have your mod_jk.log at the apache startup ??
> you should as well start tomcat first
>
> Le 20/06/2007 11:10, shiva sha a écrit :
> > Hi I follwoed the below URLs...
> >
> > http://tomcat.apache.org/tomcat-5.5-doc/cluster-howto.html
> > http://tomcat.apache.org/connectors-doc/reference/workers.html
> > http://tomcat.apache.org/connectors-doc/generic_howto/workers.html
> >
> > But no luck.. Session is not get replicated..
> > This is my configuraion
> >
> > Apache Version : 2.2.4
> > Tomcat Version : 5.5.17
> > JDK : 1.6.0_01
> > Win 2000
> >
> > workers.properties
> >
> > worker.list=tomcat1,tomcat2,loadbalancer
> >
> > # First tomcat server
> >
> > worker.tomcat1.type=ajp13
> > worker.tomcat1.host=192.168.10.30
> > worker.tomcat1.port=8009
> > worker.tomcat1.lbfactor=1
> > worker.tomcat1.connection_pool_timeout=600
> > worker.tomcat1.socket_keepalive=1
> > worker.tomcat1.socket_timeout=60
> > worker.tomcat1.cachesize=20
> > worker.tomcat1.cache_timeout=180
> > worker.tomcat1.recycle_timeout=180
> >
> > # Second tomcat server
> >
> > worker.tomcat2.type=ajp13
> > worker.tomcat2.host=192.168.10.50
> > worker.tomcat2.port=9009
> > worker.tomcat2.lbfactor=1
> > worker.tomcat2.connection_pool_timeout=600
> > worker.tomcat2.socket_keepalive=1
> > worker.tomcat2.socket_timeout=60
> > worker.tomcat2.cachesize=20
> > worker.tomcat2.cache_timeout=180
> > worker.tomcat2.recycle_timeout=180
> >
> > worker.tomcat2.lbfactor=100
> > worker.loadbalancer.type=lb
> > worker.loadbalancer.sticky_session=True
> > worker.loadbalancer.balance_workers=tomcat1,tomcat2
> >
> > Below is the Tomcat1 server.xml.
> >
> >
> > <Server port="8005" shutdown="SHUTDOWN">
> >
> > <Listener className="org.apache.catalina.core.AprLifecycleListener" />
> > <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener
> "
> > />
> > <Listener className="
> > org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
> > <Listener className="
> > org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>
> >
> >
> > <GlobalNamingResources>
> >
> >
> > <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
> >
> > <Resource name="UserDatabase" auth="Container"
> > type="org.apache.catalina.UserDatabase"
> > description="User database that can be updated and saved"
> > factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
> > pathname="conf/tomcat-users.xml" />
> >
> > </GlobalNamingResources>
> >
> > <Service name="Catalina">
> >
> > <!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
> > <Connector port="8081" maxHttpHeaderSize="8192"
> > maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
> > enableLookups="false" redirectPort="8443"
> acceptCount="100"
> > connectionTimeout="20000" disableUploadTimeout="true" />
> >
> > <!-- Define an AJP 1.3 Connector on port 8009 -->
> > <Connector port="8009"
> > enableLookups="false" redirectPort="8443"
> > protocol="AJP/1.3"
> > />
> >
> > <!-- Define the top level container in our container hierarchy -->
> > <Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">
> >
> > <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
> > resourceName="UserDatabase"/>
> >
> > <!-- Define the default virtual host
> > Note: XML Schema validation will not work with Xerces 2.2.
> > -->
> > <Host name="localhost" appBase="webapps"
> > unpackWARs="true" autoDeploy="true"
> > xmlValidation="false" xmlNamespaceAware="false">
> >
> >
> > <Cluster
> > className="org.apache.catalina.cluster.tcp.SimpleTcpCluster
> > "
> > managerClassName="
> > org.apache.catalina.cluster.session.DeltaManager"
> > expireSessionsOnShutdown="false"
> > useDirtyFlag="true"
> > notifyListenersOnReplication="true">
> >
> > <Membership
> > className="org.apache.catalina.cluster.mcast.McastService
> "
> > mcastAddr="228.0.0.4"
> > mcastBindAddress="192.168.10.30"
> > mcastPort="45564"
> > mcastFrequency="500"
> > mcastDropTime="3000"/>
> >
> > <Receiver
> > className="
> > org.apache.catalina.cluster.tcp.ReplicationListener"
> > tcpListenAddress="auto"
> > tcpListenPort="4001"
> > tcpSelectorTimeout="100"
> > tcpThreadCount="6"/>
> >
> > <Sender
> > className="
> > org.apache.catalina.cluster.tcp.ReplicationTransmitter"
> > replicationMode="pooled"
> > ackTimeout="15000"
> > waitForAck="true"/>
> >
> > <Valve className="
> > org.apache.catalina.cluster.tcp.ReplicationValve"
> >
> >
> filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;"/>
> >
> >
> > <Deployer className="
> > org.apache.catalina.cluster.deploy.FarmWarDeployer"
> > tempDir="/tmp/war-temp/"
> > deployDir="/tmp/war-deploy/"
> > watchDir="/tmp/war-listen/"
> > watchEnabled="false"/>
> >
> > <ClusterListener className="
> > org.apache.catalina.cluster.session.ClusterSessionListener"/>
> > </Cluster>
> >
> >
> > </Host>
> >
> > </Engine>
> >
> > </Service>
> >
> > </Server>
> >
> > For Tomcat2 i had changed the below elements only..
> >
> > <Server port="9005" shutdown="SHUTDOWN">
> > <Connector port="9081" maxHttpHeaderSize="8192"
> > maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
> > enableLookups="false" redirectPort="8443"
> acceptCount="100"
> > connectionTimeout="20000" disableUploadTimeout="true" />
> >
> > <!-- Define an AJP 1.3 Connector on port 8009 -->
> > <Connector port="9009"
> > enableLookups="false" redirectPort="8443"
> > protocol="AJP/1.3"
> > />
> > <Membership
> > className="org.apache.catalina.cluster.mcast.McastService
> "
> > mcastAddr="228.0.0.4"
> > mcastBindAddress="192.168.10.50"
> > mcastPort="45564"
> > mcastFrequency="500"
> > mcastDropTime="3000"/>
> >
> > Program code..
> >
> > I had designed a bean and servlet like this..
> >
> > import java.io.*;
> > import javax.servlet.*;
> > import javax.servlet.http.*;
> > import java.util.*;
> > import com.bean.SessionCart;
> >
> > public class SessionStoreServlet extends HttpServlet
> > {
> >
> >
> > public synchronized void init (ServletConfig config) throws
> > ServletException
> >
> > {
> > super.init();
> >
> > }
> >
> >
> > public void doPost (HttpServletRequest req, HttpServletResponse res)
> > throws ServletException, IOException
> > {
> >
> > StringBuffer HTML = new StringBuffer();
> > res.setContentType("text/html");
> > PrintWriter out = res.getWriter();
> > SessionCart sc;
> > HttpSession session = req.getSession(true);
> >
> >
> > sc= new SessionCart();
> > session.putValue("Cart",sc);
> >
> > String userName=req.getParameter("loginid");
> >
> >
> > ((SessionCart)session.getValue("Cart")).setName(userName);
> >
> > out.println("Your account number is " +
> > ((SessionCart)session.getValue("Cart")).getName());
> > }
> >
> > }
> > and Bean is like this..
> >
> > package com.bean;
> >
> > public class SimpleBean implements java.io.Serializable {
> >
> >
> > private String name = null;
> > private int age = 0;
> >
> >
> > public SimpleBean() {}
> >
> > public String getName() {
> > return name;
> > }
> >
> > public void setName(String s) {
> > name = s;
> > }
> >
> > }
> >
> > HTML like this
> >
> > <form method="POST" action="servlet/SessionStoreServlet">
> > <input type="text" name="loginid" size="20"></p>
> > <input type="password" name="password" size="20"></td>
> > <td width="50%"><input type="submit" value="Submit" name="B1"></td>
> > <td width="50%"><input type="reset" value="Reset" name="B2"></td>
> >
> > I had paste the mod_jk.dll in conf/modules..
> >
> > What i m trying is
> > First i started the Apache and then Tomcat1,Tomcat2..
> > I run the html file in Tomcat1 and the given value is stored in
> > session and
> > displays the same.
> > Then stop the Tomcat1..
> > If i run the same HTML i want to show the session value which is
> > stored in
> > Tomcat instance1..
> > But i can not get the old session value..It will start new session
> only..
> > Session is not get replicated across Tomcat instances...
> >
> > Is there is any wrong in my steps?
> >
> > Replication memebers are added sucessfully in both tomcat instances..
> > i.e,
> > replication member messages
> >
> > are shown in Tomcats but session is not get replicated..
> >
> > Pls help..
> > If possible give tested code and server.xml, workers.properties ..
> > Bcoz no one document is clear abor mod_jk..
> > I m confused ..
> > Thanks
> >
>
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