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From "Malathi Jivan" <mj_...@hotmail.com>
Subject RE: [users@httpd] RE: Apache+Tomcat + MOD_JK on different machine
Date Wed, 24 Mar 2004 15:07:15 GMT
Following up on Hari's questions here. How do I make tomcat process my 
requests  from the
http://my_web_server/abc level and  http://my_web_server level?

Thanks,
Malathi

>From: "Hari Om" <hari_om@hotmail.com>
>Reply-To: users@httpd.apache.org
>To: tomcat-user@jakarta.apache.org, rsvancara@adaweb.net, 
>users@httpd.apache.org
>CC: henry@littleplanet.com
>Subject: [users@httpd] RE: Apache+Tomcat + MOD_JK on different machine
>Date: Wed, 24 Mar 2004 14:51:42 +0000
>
>Thanks again Randall and Henry for your reply... appreciate that!
>
>When I try http://my_web_server/abc, it shows "HTTP 400-Bad Request"
>BUT when I try http://my_web_server/pqr, it shows "HTTP 404 - File Not 
>Found"
>BUT when I try http://my_web_server, it works fine...which means that 
>APACHE IS NOT SENDING THE REQUEST to TOMCAT....wonder why.
>
>I've added workers.properties in my conf directory on Web Server.
>I also have MOD_JK.CONF file there.
>
>--------------------
>WORKERS.PROPERTIES
>--------------------
>worker.list=ajp13
>worker.ajp13.port=8009
>worker.ajp13.host=102.103.103.1
>#the above is IP of my App Server
>worker.ajp13.type=ajp13
>
>--------------------
>mod_jk.conf
>--------------------
>  Include "conf/mod_jk.conf"
>  JkWorkersFile "conf/workers.properties"
>  Include "conf/mod_jk.conf"
>  JkLogFile "logs/mod_jk.log"
>  JkLogLevel debug
>  JkMount /examples ajp13
>  JkMount /examples/* ajp13
>  JkMount /abc ajp13
>  JkMount /abc/* ajp13
>
>--------------------
>HTTPD.CONF
>--------------------
>  JkWorkersFile "conf/workers.properties"
>  JkLogFile "logs/mod_jk.log"
>  JkLogLevel debug
>  JkMount /examples ajp13
>  JkMount /examples/* ajp13
>  JkMount /abc ajp13
>  JkMount /abc/* ajp13
>
>
>
>	 	From: "Randall Svancara" <rsvancara@adaweb.net>
>To: "Hari Om" <hari_om@hotmail.com>,"Tomcat Users List" 
><tomcat-user@jakarta.apache.org>
>Subject: RE: Apache+Tomcat + MOD_JK on different machine
>Date: Tue, 23 Mar 2004 09:21:36 -0700
>
>Your workers.properties should be on your webserver where apache is 
>located.  I typically place the workers.properties in the same directory 
>where httpd.conf is located.
>
>workers.properties is needed for mod_jk so it makes sense that it needs to 
>be in the same machine where mod_jk and apache are installed.  At least far 
>as I know anyways. Sometimes apache has a difficult time finding it.  I 
>have used this line to tell apache where to find the workers.properties.  
>You might try
>including a line like this in your apache configuration file:
>
>
><IfModule mod_jk.c>
>  JkSet config.file /etc/apache2/conf/workers.properties
>  Include /etc/apache2/conf/mod_jk2.conf
></IfModule>
>
>If anyone else has anything to add to this or correct me on, please feel 
>free because I am still learning to, but then again who isn't??
>I hope that helps.
>
>-----Original Message-----
>From: Hari Om [mailto:hari_om@hotmail.com]
>Sent: Tuesday, March 23, 2004 8:56 AM
>To: tomcat-user@jakarta.apache.org
>Cc: Randall Svancara
>Subject: RE: Apache+Tomcat + MOD_JK on different machine
>
>
>Thanks Randall for your reply... appreciate that!
>
>My MOD_JK.CONF file is AUTOGENERATED on my AppServer. I start my App Server
>FIRST which AUTOGENERATES "mod_jk.conf" file. So, how can I reference this
>file on my HTTPD.CONF ("Include conf/mod_jk.conf") - which is indeed 
>located
>on a different machine?
>
>Where should I place my workers.properties? should it be on App Server or
>Web Server?
>
>Should I first start App Server or Web Server or it does'nt matter?
>
>In my HTTPD.CONF I have different mount points (example 'abc') so when I
>type http://IPADDRESS/abc it shows "HTTP 400 Bad Request" on my browser
>Howevere, when I type http://IPADDRESS/lmn it shows "HTTP 404 Page Not
>Found" (Note: lmn is not added a JKMount in my Httpd.conf)
>
>My MOD_JK.log file shows it added all the JKMounts.
>My ACCESS_LOG file shows:
>[23/Mar/2004:08:44:05 -0700] "GET /abc HTTP/1.1" 400 0
>[23/Mar/2004:08:50:24 -0700] "GET /lmn HTTP/1.1" 404 301
>
>
>My ERROR_LOG file shows:
>[Tue Mar 23 08:41:46 2004] [notice] Apache/2.0.47 (Unix) mod_jk/1.2.2
>configured -- resuming normal operations
>
>Any related information on above is appreciated.
>
>THANKS again!
>
>HARI OM
>
>
>
>>From: "Randall Svancara" <rsvancara@adaweb.net>
>>Reply-To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
>>To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
>>Subject: RE: Apache+Tomcat + MOD_JK on different machine Date: Tue, 23 Mar
>>2004 08:15:40 -0700
>>
>>I would leave your httpd.conf file the same as  you have it shown below.  
>>I
>>would also confirm in you logs that everything is working ok.  However,
>>Apache should not even startup if the included configuration file,
>>mod_jk.conf is not present.
>>
>>------------------------------
>>httpd.conf (on Web Server)
>>------------------------------
>>LoadModule jk_module modules/mod_jk.so
>>ServerName xyz.com
>>
>>Include conf/mod_jk.conf
>>
>>JkWorkersFile "conf/workers.properties"
>>JkLogFile "logs/mod_jk.log"
>>
>>JkLogLevel debug
>>
>>JkMount /examples ajp13
>>JkMount /examples/* ajp13
>>
>>
>>The trick here is to make some changes to your workers.properties in order
>>to connect to another box.
>>It looks as if your are trying to configure a load balancer.  If you are
>>connecting to only one instance
>>of tomcat this is not necessary.  Also you need to look in your server.xml
>>and see that you have the coyote connector
>>running on port 8009.  I would exclude the line: worker.ajp13.lbfactor=5
>>from this configuration.  Besides, you have not defined
>>a worker for load balancer, so i believe this line is not necessary.
>>I would probably write your workers.properties files the following way:
>>
>>------------------------------------
>>workers.properties (on Web Server)
>>------------------------------------
>>
>>workers.CATALINA_HOME=/usr/local/tomcat4
>>workers.java_home=$(JAVA_HOME)
>>ps=/
>>
>>worker.list=ajp13
>>worker.ajp13.port=8009
>>worker.ajp13.host=101.102.103.104
>>#above is IP address of abc.com
>>worker.ajp13.type=ajp13
>>#Remove the following line.
>>#worker.ajp13.lbfactor=5
>>
>>
>>
>>I am going to send you my workers.properties for reference.  IF AND ONLY 
>>IF
>>you do configure a load balancer, then make sure in your server.xml to
>>change following line from:
>>  <Engine name="Standalone" defaultHost="localhost" debug="0">
>>
>>to
>>
>>  <Engine name="Standalone" defaultHost="localhost" debug="0"
>>jvmRoute="worker2" >
>>This is necessary for load balancing.  The value of jvmRoute should be
>>equal to the worker that you want to connect to that particular instance 
>>of
>>tomcat.
>>
>>
>>#*****Begin worker.properties*****
>>#
>>worker.worker2.type=ajp13
>>worker.worker1.type=ajp13
>>#
>>#Specifies the load balance factor when used with a load balancing worker.
>>#Note:
>>#-----> lbfactor must be > 0
>>#-----> Low lbfactor means less work done by the worker.
>>#
>>worker.worker1.lbfactor=1
>>worker.worker2.lbfactor=10
>>#
>>#Specify the size of the open connection cache.
>>#worker.ajp13.cachesize
>>#
>>#------DEFAULT LOAD BALANCER WORKER DEFINITION-----------
>>#
>>#The loadbalancer (type lb) worker perform weighted round-robin
>>#load balancing with sticky sessions.
>>#Note:
>>#---> If a worker dies, the load balancer will check its state once
>>#in a while. Until then all work is redirected to peer worker.
>>#
>>worker.loadbalancer.type=lb
>>worker.loadbalancer.balanced_workers=worker2,worker1
>>#
>>#worker.tomcat_home should point to the location where you installed
>>#tomcat. This is where you have your conf, webapps and lib directories.
>>#Note: Please make sure to enter the appropriate path from your machine.
>>#
>>worker.tomcat_home=/usr/local/tomcat
>>#
>>#worker.java_home should point to your Java installation.
>>#Normally you should have a bin and lib directories beneath it.
>>#Note: Please make sure to enter the appropriate path from your machine.
>>#
>>worker.java_home=/usr/local/java
>>#
>>#You should configure your environment slash...ps=\on NT and / on UNIX
>>#and may be different elsewhere.
>>#
>>ps=/
>>#-------ADVANCED MODE-------
>>#------------------------------
>>#
>>#
>>#-------DEFAULT worker list------
>>#----------------------------------
>>#
>>#The worker that your plugins should create and work with
>>#
>>worker.list=worker2,loadbalancer, worker1
>>#
>>#----DEFAULT ajp13 WORKER DEFINITION-----
>>#
>>#Defining a worker named ajp13 and of type ajp13
>>#Note that the name and the type do not have to match.
>>#
>>worker.worker2.port=8009
>>worker.worker2.host=localhost
>>worker.worker2.cachesize=100
>>worker.worker2.cache_timeout=1000
>>worker.worker2.socket_keepalive=3
>>worker.worker2.socket_timeout=1000
>>
>>worker.worker1.port=8019
>>worker.worker1.host=216.222.102.252
>>worker.worker1.cachesize=100
>>worker.worker1.cache_timeout=1000
>>worker.worker1.socket_keepalive=3
>>worker.worker1.socket_timeout=1000
>>
>>#
>>#*****End worker.properties*****
>>
>>
>>
>>
>>
>>
>>
>>
>>------------------------------------
>>workers.properties (on Web Server)
>>------------------------------------
>>
>>workers.CATALINA_HOME=/usr/local/tomcat4
>>workers.java_home=$(JAVA_HOME)
>>ps=/
>>
>>worker.list=ajp13
>>worker.ajp13.port=8009
>>worker.ajp13.host=101.102.103.104
>>#above is IP address of abc.com
>>worker.ajp13.type=ajp13
>>worker.ajp13.lbfactor=5
>>
>>
>>
>>-----Original Message-----
>>From: Hari Om [mailto:hari_om@hotmail.com]
>>Sent: Tuesday, March 23, 2004 7:58 AM
>>To: users@httpd.apache.org; tomcat-user@jakarta.apache.org
>>Subject: Apache+Tomcat + MOD_JK on different machine
>>
>>
>>SUBJECT: Apache+Tomcat + MOD_JK on different machine
>>
>>I am using Apache 2.0.47 and Tomcat 4.1.27 on my SuSE Linux. I had
>>configured my mod_jk and it works just great! (My Web and App Server were
>>on
>>same box)
>>
>>Now I have a Web Server and App Server on a different box and was 
>>wondering
>>what changes do I have to make to "MOD_JK" for the Integration to work.
>>
>>My old settings were:
>>----------
>>httpd.conf
>>----------
>>LoadModule jk_module modules/mod_jk.so
>>ServerName abc.com
>>
>>Include /usr/local/tomcat4/conf/auto/mod_jk.conf
>>
>>JkWorkersFile "/usr/local/apa2047/conf/workers.properties"
>>JkLogFile "/usr/local/apa2047/logs/mod_jk.log"
>>
>>JkLogLevel debug
>>
>>JkMount /examples ajp13
>>JkMount /examples/* ajp13
>>
>>--------------------
>>workers.properties
>>--------------------
>>
>>workers.CATALINA_HOME=/usr/local/tomcat4
>>workers.java_home=$(JAVA_HOME)
>>ps=/
>>
>>worker.list=ajp13
>>worker.ajp13.port=8009
>>worker.ajp13.host=101.102.103.104
>>#above is IP address of abc.com
>>worker.ajp13.type=ajp13
>>worker.ajp13.lbfactor=5
>>
>>
>>Now that I have both APACHE and TOMCAT on DIFFERENT Boxes, I was wondering
>>what changes do I have to make for the above to work.
>>
>>My Web Server is "xyz.com" and my App Server is "abc.com". I have mod_jk
>>configured in my Web Server.
>>
>>My new HTTPD.CONF file is:
>>My NEW settings are:
>>------------------------------
>>httpd.conf (on Web Server)
>>------------------------------
>>LoadModule jk_module modules/mod_jk.so
>>ServerName xyz.com
>>
>>Include conf/mod_jk.conf
>>
>>JkWorkersFile "conf/workers.properties"
>>JkLogFile "logs/mod_jk.log"
>>
>>JkLogLevel debug
>>
>>JkMount /examples ajp13
>>JkMount /examples/* ajp13
>>
>>------------------------------------
>>workers.properties (on Web Server)
>>------------------------------------
>>
>>workers.CATALINA_HOME=/usr/local/tomcat4
>>workers.java_home=$(JAVA_HOME)
>>ps=/
>>
>>worker.list=ajp13
>>worker.ajp13.port=8009
>>worker.ajp13.host=101.102.103.104
>>#above is IP address of abc.com
>>worker.ajp13.type=ajp13
>>worker.ajp13.lbfactor=5
>
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