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Posted to users@tomcat.apache.org by shiva sha <js...@gmail.com> on 2007/06/20 11:10:06 UTC
Session replication in tomcat5.5
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
Re: Session replication in tomcat5.5
Posted by shiva sha <js...@gmail.com>.
Yes Guru..
I had set all session attributes are "Serializable"
Thanks
Shiva
On 6/20/07, Raghupathy, Gurumoorthy <Gu...@nielsen.com>
wrote:
>
> 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:jshivasha@gmail.com]
> Sent: 20 June 2007 12:46
> To: Tomcat Users List; phi-long.le@cp.finances.gouv.fr
> 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 <ph...@cp.finances.gouv.fr> 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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> > To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
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> >
> >
>
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>
RE: Session replication in tomcat5.5
Posted by "Raghupathy, Gurumoorthy" <Gu...@nielsen.com>.
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:jshivasha@gmail.com]
Sent: 20 June 2007 12:46
To: Tomcat Users List; phi-long.le@cp.finances.gouv.fr
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 <ph...@cp.finances.gouv.fr> 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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Re: Session replication in tomcat5.5
Posted by shiva sha <js...@gmail.com>.
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 <ph...@cp.finances.gouv.fr> 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
> >
>
> ---------------------------------------------------------------------
> To start a new topic, e-mail: users@tomcat.apache.org
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>
>
Re: Session replication in tomcat5.5
Posted by Phi-Long LE <ph...@cp.finances.gouv.fr>.
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...
not sure to really understand what you try to do... load balancing a
webapp or trying to have a standby tomcat in case of the first one
crashes... well am not sure you can transfer a sessionID... never heard
before about such possibilities....(anyway am still young in IT ;-)) the
session should be binded to one tomcat instance (default: sticky_session
is set to true)
Le 20/06/2007 12:32, Phi-Long LE a écrit :
> 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
>>
>
> ---------------------------------------------------------------------
> To start a new topic, e-mail: users@tomcat.apache.org
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>
>
---------------------------------------------------------------------
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
For additional commands, e-mail: users-help@tomcat.apache.org
Re: Session replication in tomcat5.5
Posted by Phi-Long LE <ph...@cp.finances.gouv.fr>.
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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