running multiple instances of tomcat as windows service - service won't start
hi all, we are using tomcat 5.0.28 on windows server. I have been trying to install multiple tomcat instances . Our goal is to run multiple instances on port 80 of virtual IPs. But for testing, i'm using differnt port numbers instead of ips.. Here r the steps i performed, (a) installed tomcat on c:\TC1 (b) copied conf,logs,shared,temp,webapps, work folders from c:\TC1 into c:\TC2 (c) changed port entries into TC2\conf\server.xml Server port=8006 , Connector port=8081 (d) on cmd prompt c:\TC1\bin set CATALINA_BASE=C:\TC2 c:\TC1\binservice.bat install TC2 This will install the TC2 windows service, but the service won't start . If i check the properites of the service, it's pointing to C:\TC1\bin\tomcat5.exe //RS//tc2 What is wrong?? I couldn't find any step by step guide to setup multiple instances of tomcat as windows service on Tomcat users list or any other web resource. Any pointers will be appreciated. Thanks, Jaynika - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
running multiple instances of tomcat as windows services - the service won't start
hi all, we are using tomcat 5.0.28 on windows server. I have been trying to install multiple tomcat instances . Our goal is to run multiple instances on port 80 of virtual IPs. But for testing, i'm using differnt port numbers instead of ips.. Here r the steps i performed, (a) installed tomcat on c:\TC1 (b) copied conf,logs,shared,temp,webapps, work folders from c:\TC1 into c:\TC2 (c) changed port entries into TC2\conf\server.xml Server port=8006 , Connector port=8081 (d) on cmd prompt c:\TC1\bin set CATALINA_BASE=C:\TC2 c:\TC1\binservice.bat install TC2 This will install the TC2 windows service, but the service won't start . If i check the properites of the service, it's pointing to C:\TC1\bin\tomcat5.exe //RS//tc2 What is wrong?? I couldn't find any step by step guide to setup multiple instances of tomcat as windows service on Tomcat users list or any other web resource. Any pointers will be appreciated. Thanks, Jaynika - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Multiple instances of tomcat
I have a tomcat 4-1-27 running on RedHat 2.4.21. Normally when you startup tomcat it will create a single instance, I have however about 28 created right away. I understand that they all share the same memory, but I don?t think this is a normal behavior. What can be causing this? DarekC - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Multiple instances of tomcat
On Sat, Mar 12, 2005 at 12:21:10AM -0800, Darek wrote: : I have a tomcat 4-1-27 running on RedHat 2.4.21. Normally : when you startup tomcat it will create a single instance, I : have however about 28 created right away. I understand that : they all share the same memory, but I don?t think this is a : normal behavior. What can be causing this? 1/ please post a *new* message when writing to the list. Replying to an old (unrelated) message confuses thread-aware mailers, which makes your question harder to find (and thus answer). 2/ Are these separate Tomcat instances, or just PIDs? Pre-NPTL Linux kernels show threads as separate processes. That's likely what you're seeing. -QM -- software -- http://www.brandxdev.net tech news -- http://www.RoarNetworX.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Multiple instances of tomcat
All those are threads; tomcat creates 2 at first and the second forks the rest, if you kill either one tomcat will exit. I am asking because another server with the same configuration shows only one single thread. There are some problems with applications on the first server, which seem to be related to the memory. Both servers are running on 2.4.21 kernel and only one of them shows multiple threads when ps is executed, while both have tomcat 4.1.27 and j2sdk1.4.2_04. i am not sure what have I missed. Documentation mentions CATALINA_BASE that when defined implies multiple virtual hosts. I am not sure what I have done, while configuration files look exactly same. I appreciate your help. DarekC On Sat, 12 Mar 2005 07:17:28 -0600 QM [EMAIL PROTECTED] wrote: On Sat, Mar 12, 2005 at 12:21:10AM -0800, Darek wrote: : I have a tomcat 4-1-27 running on RedHat 2.4.21. Normally : when you startup tomcat it will create a single instance, I : have however about 28 created right away. I understand that : they all share the same memory, but I don?t think this is a : normal behavior. What can be causing this? 1/ please post a *new* message when writing to the list. Replying to an old (unrelated) message confuses thread-aware mailers, which makes your question harder to find (and thus answer). 2/ Are these separate Tomcat instances, or just PIDs? Pre-NPTL Linux kernels show threads as separate processes. That's likely what you're seeing. -QM -- software -- http://www.brandxdev.net tech news -- http://www.RoarNetworX.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Bootstrap.jar does not get released when starting multiple instances of Tomcat
Hi, We have a project where we need 3 different Tomcat instances running 3 different server.xml files, and we have that as part of our JUnit tests for our automated build process. However, for some reason, the file bootstrap.jar will not get released on the every nth build, n~= 1 to 10. And when that happens, we can't even find the process that is still using bootstrap.jar, so we're forced to restart the machine. Anybody have any idea in which direction we should be looking for the bug? Thanks. __ Robert Lin Eng. Intern | Blue Jungle | Redwood City, CA [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Multiple instances of Tomcat 5.0.28...
I have the following software packages and OS: Apache 2.0.52 Tomcat 5.0.30 mod_jk 1.2.8 Sun Solaris 8 I am configuring a server to run multiple instances of Tomcat 5.0.28 under one instances of Apache 2.0.52 and one Virtual Host. This server is for development and I want to protect the developers from each others boo-boos. ;-) I want to run the Tomcat instances under an Apache2 Virtual Host. How can I allow each group of developers to access the jsp-examples, admin, manager for their respective Tomcat Instances? For example, how could I set something up like this? Developer One on Tomcat 1 http://www.domain.com/tomcat1/jsp-examples/ http://www.domain.com/tomcat1/admin/ etc. Developer Two on Tomcat 2 http://www.domain.com/tomcat2/jsp-examples/ http://www.domain.com/tomcat1/admin/ etc. Thanks, Troy -- Troy Simpson Applications Analyst/Programmer, OCPDBA, MCSE, SCSA North Carolina State University Libraries Campus Box 7111 | Raleigh | North Carolina ph.919.515.3855 | fax.919.513.3330 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Multiple instances of Tomcat 5.0.28...
How do I change the context_path for all the Applications that come with Tomcat 5 as displayed in the manager tool? Thanks, Troy -- Troy Simpson Applications Analyst/Programmer, OCPDBA, MCSE, SCSA North Carolina State University Libraries Campus Box 7111 | Raleigh | North Carolina ph.919.515.3855 | fax.919.513.3330 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
best way to setup multiple instances of tomcat
Hello- I currently am using Tomcat 5.0.28 for both our production and test server. Currently, I have one copy of the tomcat distribution in /usr/local/tomcat, two different server.xml files (server-prod.xml and server-test.xml) in /usr/local/tomcat/conf and two different scripts in /etc/init.d to start the prod and test servers. Each server has its own directory under /usr/local/tomcat/conf/Catalina, and the ROOT.xml file in each case defines a different log file for the application. Everything seems to work fine, but both instances are writing to /usr/local/tomcat/logs/catalina.out. My question is can the filename catalina.out be controlled so each instance writes to a different file? Also, I'm thinking that I probably don't want them both running off the same install directory because what if I want to test a new version of Tomcat in the test environment? The only thing I'm saving by having them both run from the same directory is a few megs of space right? Greg - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: best way to setup multiple instances of tomcat
The easiest way is to run multiple copies. For example:
/usr/local/tomcat1/ ...
/usr/local/tomcat2/ ...
/usr/local/tomcat.../ ...
If the configurations are the same, then you can use the same copy of
server.xml for all the instances. Then for items which need to be different
such as port and ip address, use you pass system properties on startup and
have them substitued in server.xml.
export JAVA_OPTS='-Dfoo=8080'
Connector ... port=${foo}/
-Tim
Greg Lappen wrote:
Hello-
I currently am using Tomcat 5.0.28 for both our production and test
server. Currently, I have one copy of the tomcat distribution in
/usr/local/tomcat, two different server.xml files (server-prod.xml and
server-test.xml) in /usr/local/tomcat/conf and two different scripts in
/etc/init.d to start the prod and test servers. Each server has its own
directory under /usr/local/tomcat/conf/Catalina, and the ROOT.xml file
in each case defines a different log file for the application.
Everything seems to work fine, but both instances are writing to
/usr/local/tomcat/logs/catalina.out.
My question is can the filename catalina.out be controlled so each
instance writes to a different file?
Also, I'm thinking that I probably don't want them both running off the
same install directory because what if I want to test a new version of
Tomcat in the test environment? The only thing I'm saving by having
them both run from the same directory is a few megs of space right?
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Re: best way to setup multiple instances of tomcat
Greg Lappen wrote: Also, I'm thinking that I probably don't want them both running off the same install directory because what if I want to test a new version of Tomcat in the test environment? The only thing I'm saving by having them both run from the same directory is a few megs of space right? Hi Greg, you might search for the file RUNNING.txt in /usr/local/tomcat for more information. There were other threads on 9th and 13th December 2004 in this list discussing the same topic. Your particular problem can be solved by specifying the appropriate parameter (-outfile) when starting your tomcats using jsvc (the java commons daemon). I wrote a script and a short description for installation of multiple tomcat instances and put it to http://miti.sourceforge.net/ . Wolfgang - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Multiple instances of Tomcat.
I am working on converting a standalone content management system that has embedded Tomcat and an admin servlet as one of its components. My intent is to turn this application into a servlet itself running under a standalone Tomcat5. My question: is it possible to run embedded Tomcat5 within a servlet that is itself running under Tomcat5? Second question: would it be possible if this works for the inner servlet to access memory (objects) instanciated by the outer servlet? Note: I have noticed that servlets within the same context have access to each others memory, while servlets of different contexts do not. Anyone care to confirm, elaborate, explain, contradict? Thanks for any help.
Re: Multiple instances of Tomcat.
On Mon, Aug 09, 2004 at 10:04:56AM -0700, Bill Hughey wrote: : Second question: would it be possible if this works for the inner servlet to access memory (objects) instanciated by the outer servlet? Likely, no. Read on: : Note: I have noticed that servlets within the same context have access to each others memory, while servlets of different contexts do not. Anyone care to confirm, elaborate, explain, contradict? The Tomcat site has a doc on the product's layered classloader approach. (This concept isn't unique to Tomcat, but that's another story.) In short, each context (webapp) lives in its own classloader. -QM -- software -- http://www.brandxdev.net tech news -- http://www.RoarNetworX.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Multiple instances of tomcat and apache 2.0.48
I'm trying to use two instances of tomcat 5.0.12 with apache 2.0.48.
One instance listen at port 8009 while other listen on port 50089.
Reading the output of error_log of apache it seems that
channelSocket.open() try to connect always on port 8009...
All request are sent to instance listening at port 8009.
Where i'm wrong?
Follow my workers2.properties:
[shm]
file=${serverRoot}/logs/shm.file
size=1048576
[status:status]
[channel.socket:127.0.0.1:50089]
port=50089
host=127.0.0.1
tomcatId=tomcat_pz
debug=1
[ajp13:127.0.0.1:50089]
channel=channel.socket:127.0.0.1:50089
[uri:/pzmanager/*]
group=ajp13:127.0.0.1:50089
[uri:/pzadmin/*]
group=ajp13:127.0.0.1:50089
[channel.socket:127.0.0.1:8009]
port=8009
host=127.0.0.1
tomcatId=tomcat_mf
debug=1
[worker_mf]
channel=channel.socket:127.0.0.1:8009
Follow the output of error_log file of apache:
[notice] Apache/2.0.48 (Unix) mod_ssl/2.0.48 OpenSSL/0.9.6b
mod_jk2/2.0.2 PHP/4.3.4 configured -- resuming normal operations
[error] channelSocket.open() connect failed 127.0.0.1:8009 111
Connection refused
[error] ajp13.connect() failed ajp13:127.0.0.1:50089
[error] ajp13.service() failed to connect endpoint errno=111 Connection
refused
[error] ajp13.service() Error forwarding ajp13:127.0.0.1:50089 1 1
[error] mod_jk.handler() Error connecting to tomcat 12
Thanks in advance for your help/idea
--
Angelo Alerta
Mainfield srl
Via I. Rosellini 2
20124 Milano, Italy
[EMAIL PROTECTED]
www.mainfield.com
+39266800026
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Re: Multiple instances of tomcat and apache 2.0.48
Why don't you create a different virtual IP for running the second
instance??
Angelo Alerta - Mainfield wrote:
I'm trying to use two instances of tomcat 5.0.12 with apache 2.0.48.
One instance listen at port 8009 while other listen on port 50089.
Reading the output of error_log of apache it seems that
channelSocket.open() try to connect always on port 8009...
All request are sent to instance listening at port 8009.
Where i'm wrong?
Follow my workers2.properties:
[shm]
file=${serverRoot}/logs/shm.file
size=1048576
[status:status]
[channel.socket:127.0.0.1:50089]
port=50089
host=127.0.0.1
tomcatId=tomcat_pz
debug=1
[ajp13:127.0.0.1:50089]
channel=channel.socket:127.0.0.1:50089
[uri:/pzmanager/*]
group=ajp13:127.0.0.1:50089
[uri:/pzadmin/*]
group=ajp13:127.0.0.1:50089
[channel.socket:127.0.0.1:8009]
port=8009
host=127.0.0.1
tomcatId=tomcat_mf
debug=1
[worker_mf]
channel=channel.socket:127.0.0.1:8009
Follow the output of error_log file of apache:
[notice] Apache/2.0.48 (Unix) mod_ssl/2.0.48 OpenSSL/0.9.6b
mod_jk2/2.0.2 PHP/4.3.4 configured -- resuming normal operations
[error] channelSocket.open() connect failed 127.0.0.1:8009 111
Connection refused
[error] ajp13.connect() failed ajp13:127.0.0.1:50089
[error] ajp13.service() failed to connect endpoint errno=111 Connection
refused
[error] ajp13.service() Error forwarding ajp13:127.0.0.1:50089 1 1
[error] mod_jk.handler() Error connecting to tomcat 12
Thanks in advance for your help/idea
--
Emerson Cargnin
Analista de Sistemas
Setor de Desenvolvimento de Sistemas - TRE-SC
tel : (048) - 251-3700 - Ramal 3181
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Multiple instances of tomcat 4.1.30 with Win2K.
I'm trying to setup multiple instaces of tomcat with Win2K.
Here's my directory structure:
CATALINA_HOME == C:\programs\jakarta-tomcat-4.1.30
CATALINA_BASE == c:\programs\usr\mo
Inside CATALINA_BASE, I have the following directories (using port
8101):
conf
logs
temp
webapps
work
How do I setup 2nd (port 8201) and 3rd (port 8301) instances?
Where should I put my startup/shutdown and server.xml files?
Thanks,
--Kawthar
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Re: RE: Multiple instances of Tomcat - why would you do it ?
We run several instances of Tomcat to keep users from affecting each other. For example, since each Tomcat is a different process, if one app loaded in one of the Tomcat instances has a problem, we can bring that Tomcat instance down w/o affecting the others. Also, the likelihood that one application in a Tomcat process will affect an app in a different process is diminished since they are distinct. Also, each process can be started with different permissions. For example, if there are a set of files (like digital certificates, etc), the different Tomcat instances will be prevented from -- at the OS level -- reading each other's files. Also, can start one of the Tomcat's up with a very limiting java.policy file that constrains what users can do in a webapp. The users are prohibited from calling % System.exit(1) %. You may also want several Tomcat's to test different configurations or have different configurations tuned to production vs. development. For example, in development you can limit the number of threads that a Connector uses since you aren't as concerned with # of concurrent users. - Original Message - From: Derek Clarkson [EMAIL PROTECTED] Date: Thursday, February 12, 2004 0:22 am Subject: RE: Multiple instances of Tomcat - why would you do it ? He he, thanks. By the looks of the code I'm seeing - I'm going with the space bats reason ;-) -Original Message- From: Josh Rehman [EMAIL PROTECTED] Sent: Thursday, 12 February 2004 12:41 PM To: Tomcat Users List Subject: Re: Multiple instances of Tomcat - why would you do it ? If the instances talk to each other via RMI, it's likely that the originaldevelopers intended each instance to be run on a different box. They may have thought this would positively affect scalability. It may also be that they partitioned the app such that each container has different priveledges and responsibilities, and therefore it made sense to seperate them and configure them seperately. It may also be that the original developer was testing a theory and so did it that way. It may also be that the developers were being paid per CPU. It may also be that one of the architects was driven mad by alien spacebats, and so designed this system to prepare himself for leaving this planet. The last one seems most likely to me. However, I could be wrong, so I'd ask the original developer. Derek Clarkson wrote: Hello everyone, I've just started a new job where I've been asked to be the tech lead on a project. The software originated from an external company who designed it to run on 3 instances of tomcat. There is an instance for the main applications for our customers, an instance for the admin section and another for secure transactions. All running on the same PC. These instances also communicate between each other in order to pass information from one to the other via RMI. I've never worked on a mulit instance installation before and no- one here knows why it was done this way (it's not documented). Can you guys give me any thoughts on why a multi-instance might be setup like this ? What are the advantages over a single tomcat instance, etc ? Essentially I'm trying to understand whether this was a good solution for our use. Understanding the sorts of reasons for doing it will help me to work out any possible future changes. Ciao Derek. __ This email, including attachments, is intended only for the addressee and may be confidential, privileged and subject to copyright. If you have received this email in error, please advise the sender and delete it. If you are not the intended recipient of this email, you must not use, copy or disclose its content to anyone. You must not copy or communicate to others content that is confidential or subject to copyright, unless you have the consent of the content owner. -- Josh Rehman citysearch.com 213.739.3559 --- -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Multiple instances of Tomcat - why would you do it ?
Howdy, There's another reason: if any of the three crashes or is attacked for whatever reason, the other two don't suffer. That may or may not make sense for your application. For example, it's not unusual to have an admin console sit outside your firewall so that developers/admins can do their job from home. But you don't want the main/secure servers outside the firewall. Josh's scalability suggestion is also good. Yoav Shapira Millennium ChemInformatics -Original Message- From: Derek Clarkson [mailto:[EMAIL PROTECTED] Sent: Wednesday, February 11, 2004 8:25 PM To: Tomcat Users List Subject: Multiple instances of Tomcat - why would you do it ? Hello everyone, I've just started a new job where I've been asked to be the tech lead on a project. The software originated from an external company who designed it to run on 3 instances of tomcat. There is an instance for the main applications for our customers, an instance for the admin section and another for secure transactions. All running on the same PC. These instances also communicate between each other in order to pass information from one to the other via RMI. I've never worked on a mulit instance installation before and no-one here knows why it was done this way (it's not documented). Can you guys give me any thoughts on why a multi-instance might be setup like this ? What are the advantages over a single tomcat instance, etc ? Essentially I'm trying to understand whether this was a good solution for our use. Understanding the sorts of reasons for doing it will help me to work out any possible future changes. Ciao Derek. __ This email, including attachments, is intended only for the addressee and may be confidential, privileged and subject to copyright. If you have received this email in error, please advise the sender and delete it. If you are not the intended recipient of this email, you must not use, copy or disclose its content to anyone. You must not copy or communicate to others content that is confidential or subject to copyright, unless you have the consent of the content owner. This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Multiple instances of Tomcat - why would you do it ?
Hello everyone, I've just started a new job where I've been asked to be the tech lead on a project. The software originated from an external company who designed it to run on 3 instances of tomcat. There is an instance for the main applications for our customers, an instance for the admin section and another for secure transactions. All running on the same PC. These instances also communicate between each other in order to pass information from one to the other via RMI. I've never worked on a mulit instance installation before and no-one here knows why it was done this way (it's not documented). Can you guys give me any thoughts on why a multi-instance might be setup like this ? What are the advantages over a single tomcat instance, etc ? Essentially I'm trying to understand whether this was a good solution for our use. Understanding the sorts of reasons for doing it will help me to work out any possible future changes. Ciao Derek. __ This email, including attachments, is intended only for the addressee and may be confidential, privileged and subject to copyright. If you have received this email in error, please advise the sender and delete it. If you are not the intended recipient of this email, you must not use, copy or disclose its content to anyone. You must not copy or communicate to others content that is confidential or subject to copyright, unless you have the consent of the content owner.
Re: Multiple instances of Tomcat - why would you do it ?
If the instances talk to each other via RMI, it's likely that the original developers intended each instance to be run on a different box. They may have thought this would positively affect scalability. It may also be that they partitioned the app such that each container has different priveledges and responsibilities, and therefore it made sense to seperate them and configure them seperately. It may also be that the original developer was testing a theory and so did it that way. It may also be that the developers were being paid per CPU. It may also be that one of the architects was driven mad by alien space bats, and so designed this system to prepare himself for leaving this planet. The last one seems most likely to me. However, I could be wrong, so I'd ask the original developer. Derek Clarkson wrote: Hello everyone, I've just started a new job where I've been asked to be the tech lead on a project. The software originated from an external company who designed it to run on 3 instances of tomcat. There is an instance for the main applications for our customers, an instance for the admin section and another for secure transactions. All running on the same PC. These instances also communicate between each other in order to pass information from one to the other via RMI. I've never worked on a mulit instance installation before and no-one here knows why it was done this way (it's not documented). Can you guys give me any thoughts on why a multi-instance might be setup like this ? What are the advantages over a single tomcat instance, etc ? Essentially I'm trying to understand whether this was a good solution for our use. Understanding the sorts of reasons for doing it will help me to work out any possible future changes. Ciao Derek. __ This email, including attachments, is intended only for the addressee and may be confidential, privileged and subject to copyright. If you have received this email in error, please advise the sender and delete it. If you are not the intended recipient of this email, you must not use, copy or disclose its content to anyone. You must not copy or communicate to others content that is confidential or subject to copyright, unless you have the consent of the content owner. -- Josh Rehman citysearch.com 213.739.3559 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Multiple instances of Tomcat - why would you do it ?
One thing on this you dont want to hear is ... The reason we did it that way was ... :) Most likely the response you will get is #1, althought I agree that it was probably #4. From: Josh Rehman [EMAIL PROTECTED] Reply-To: Tomcat Users List [EMAIL PROTECTED] To: Tomcat Users List [EMAIL PROTECTED] Subject: Re: Multiple instances of Tomcat - why would you do it ? Date: Wed, 11 Feb 2004 17:40:52 -0800 If the instances talk to each other via RMI, it's likely that the original developers intended each instance to be run on a different box. They may have thought this would positively affect scalability. It may also be that they partitioned the app such that each container has different priveledges and responsibilities, and therefore it made sense to seperate them and configure them seperately. It may also be that the original developer was testing a theory and so did it that way. It may also be that the developers were being paid per CPU. It may also be that one of the architects was driven mad by alien space bats, and so designed this system to prepare himself for leaving this planet. The last one seems most likely to me. However, I could be wrong, so I'd ask the original developer. Derek Clarkson wrote: Hello everyone, I've just started a new job where I've been asked to be the tech lead on a project. The software originated from an external company who designed it to run on 3 instances of tomcat. There is an instance for the main applications for our customers, an instance for the admin section and another for secure transactions. All running on the same PC. These instances also communicate between each other in order to pass information from one to the other via RMI. I've never worked on a mulit instance installation before and no-one here knows why it was done this way (it's not documented). Can you guys give me any thoughts on why a multi-instance might be setup like this ? What are the advantages over a single tomcat instance, etc ? Essentially I'm trying to understand whether this was a good solution for our use. Understanding the sorts of reasons for doing it will help me to work out any possible future changes. Ciao Derek. __ This email, including attachments, is intended only for the addressee and may be confidential, privileged and subject to copyright. If you have received this email in error, please advise the sender and delete it. If you are not the intended recipient of this email, you must not use, copy or disclose its content to anyone. You must not copy or communicate to others content that is confidential or subject to copyright, unless you have the consent of the content owner. -- Josh Rehman citysearch.com 213.739.3559 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] _ STOP MORE SPAM with the new MSN 8 and get 2 months FREE* http://join.msn.com/?page=dept/bcommpgmarket=en-caRU=http%3a%2f%2fjoin.msn.com%2f%3fpage%3dmisc%2fspecialoffers%26pgmarket%3den-ca - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Multiple instances of Tomcat - why would you do it ?
He he, thanks. By the looks of the code I'm seeing - I'm going with the space bats reason ;-) -Original Message- From: Josh Rehman [mailto:[EMAIL PROTECTED] Sent: Thursday, 12 February 2004 12:41 PM To: Tomcat Users List Subject: Re: Multiple instances of Tomcat - why would you do it ? If the instances talk to each other via RMI, it's likely that the original developers intended each instance to be run on a different box. They may have thought this would positively affect scalability. It may also be that they partitioned the app such that each container has different priveledges and responsibilities, and therefore it made sense to seperate them and configure them seperately. It may also be that the original developer was testing a theory and so did it that way. It may also be that the developers were being paid per CPU. It may also be that one of the architects was driven mad by alien space bats, and so designed this system to prepare himself for leaving this planet. The last one seems most likely to me. However, I could be wrong, so I'd ask the original developer. Derek Clarkson wrote: Hello everyone, I've just started a new job where I've been asked to be the tech lead on a project. The software originated from an external company who designed it to run on 3 instances of tomcat. There is an instance for the main applications for our customers, an instance for the admin section and another for secure transactions. All running on the same PC. These instances also communicate between each other in order to pass information from one to the other via RMI. I've never worked on a mulit instance installation before and no-one here knows why it was done this way (it's not documented). Can you guys give me any thoughts on why a multi-instance might be setup like this ? What are the advantages over a single tomcat instance, etc ? Essentially I'm trying to understand whether this was a good solution for our use. Understanding the sorts of reasons for doing it will help me to work out any possible future changes. Ciao Derek. __ This email, including attachments, is intended only for the addressee and may be confidential, privileged and subject to copyright. If you have received this email in error, please advise the sender and delete it. If you are not the intended recipient of this email, you must not use, copy or disclose its content to anyone. You must not copy or communicate to others content that is confidential or subject to copyright, unless you have the consent of the content owner. -- Josh Rehman citysearch.com 213.739.3559 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
multiple instances of tomcat (grouping webapps with a manager) with a single installation under linux
hello world (haha, running gag) i've installed and connected succesfully tomcat 4.1.24 with apache 2.0.45 now my problem is the following: i'd like to get multiple instances of tomcat without installing tomcat another time (so just by configuring). the goal is to achieve several webapp - 'containers' with each a different manager to start, stop, etc.. those webapps. i won't do it with either virtual hosts nor with multiple installations of tomcat. does anyone now 'howto'? thanks in advance and greetings from sunny switzerland - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: multiple instances of tomcat (grouping webapps with a manager) with a single installation under linux
Have a look at RUNNING.txt in the tomcat 4 distribution:
(4) Advanced Configuration - Multiple Tomcat 4 Instances
...
(The exact text and number may vary in your distribution,
my RUNNING.txt is quite old)
The following is for unix and tomcat standalone. But it
should be a good starting point for other environments.
We install different versions of jdk/tomcat like this:
/usr/local/java/jdk/ibm1.3
/usr/local/java/jdk/sun1.3
/usr/local/java/jdk/sun1.3.1
/usr/local/java/jdk/sun1.4
/usr/local/java/tomcat-4.0.3
/usr/local/java/tomcat-4.1.10
For each site we have something like this:
/www/online/site
/log
directory for the log file
/conf
web.xml
server.xml
and other files that contain the site specific setup for tomcat
(tailored versions of the files that are provided by
tomcat)
make shure that the combination of IP and port are unique for
each instance of tomcat.
...
/work
Directory where tomcat stores the genared files and classes
/webapps
Directories for the contexts
/bin
start.sh
Script that calls the tomcat version that we want to use
for this site with the environment for this site:
JAVA_HOME=/usr/local/java/jdk/sun1.3.1
CATALINA_HOME=/usr/local/java/tomcat-4.0.3
CATALINA_BASE=/www/online/site
export JAVA_HOME CATALINA_HOME CATALINA_BASE
${CATALINA_HOME}/bin/startup.sh
This way we can have different versions of tomcat at the same time,
all sites that use the same tomcat version use the same 'executable'
but different processes and individual configuration. If we want to
use another version of tomcat we just have to change CATALINA_HOME
in start.sh (unless the config files are incompatible between these
versions)
-Original Message-
From: Karli Christoph (CSE) [mailto:[EMAIL PROTECTED]
Sent: Monday, July 14, 2003 5:04 PM
To: '[EMAIL PROTECTED]'
Subject: multiple instances of tomcat (grouping webapps with
a manager)
with a single installation under linux
hello world (haha, running gag)
i've installed and connected succesfully tomcat 4.1.24 with
apache 2.0.45
now my problem is the following:
i'd like to get multiple instances of tomcat without
installing tomcat
another time (so just by configuring).
the goal is to achieve several webapp - 'containers' with each a
different manager to start, stop, etc.. those webapps.
i won't do it with either virtual hosts nor with multiple
installations
of tomcat.
does anyone now 'howto'?
thanks in advance and greetings from sunny switzerland
-
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Multiple instances of tomcat in linux. Newbie question
Hi, I want to make tomcat to work for many users, so each user can have their own developing enviroment. How do install, configure, and run each instance? How can I let them to manage their contexts? Thanks in advance __ Do you Yahoo!? Yahoo! Calendar - Free online calendar with sync to Outlook(TM). http://calendar.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: multiple instances of tomcat
You need to set the CATALINA_BASE environment variable for each instance, so in the bin directory: set CATALINA_BASE=c:\aa1 startup.bat set CATALINA_BASE=c:\aa2 startup.bat Make sure you also have the shutdown ports (8005) set to two different values in the server.xml files. You can add the debug attribute (Logger debug=9) in the server Logger element and check the logs to see what is going wrong. Also, if the window is closing sraight away and you can't see the messages, then open two command prompts and start one instance in one, the other in the other with the command: catalina.bat run This runs the instance in the same window so it stays open if it exits prematurely. Hope this helps. Kris -Original Message- From: Henry Krasny [mailto:[EMAIL PROTECTED]] Sent: Wednesday, February 05, 2003 10:56 PM To: [EMAIL PROTECTED] Subject: multiple instances of tomcat I'm having lots of trouble starting a second instance of tomcat on my machine, Windows XP. I am able to start a single instance on port 8080 (the default installation). I can also start a single instance on port 8081 (C:\aa1) using the instructions in RUNNING.txt (section 4), but I cannot get the second instance to start. Instance1 Port: 8081 Location: C:\aa1 C:\aa1\conf\server.xml: (line 94) Connector port=8081 Instance2 Port: 8082 Location: C:\aa2 C:\aa2\conf\server.xml: (line 94) Connector port=8082 Both locations contain full copies of these directories: conf, logs, temp, webapps, work What should my CATALINA_BASE be set to to allow me to start both instances? What other changes should I be making to server.xml? I assume the instances will be accessed this way: http://localhost:8081/index.jsp http://localhost:8080/index.jsp http://localhost:8082/index.jsp http://localhost:8080/index.jsp What is the exact start command? (I try to use 'startup.bat' in bin of the tomcat root.) Also, from RUNNING.txt, I don't know what to do with the administration and manager web applications as described in section 4. Any help appreciated. Henry
RE: multiple instances of tomcat
Thanks, your suggestions worked. I altered the shutdown port for each instance and I started each instance in a separate window (setting the CATALINA_BASE variable before each startup). I didn't try the logging thing. Henry -Original Message- From: Powell.Kris [mailto:[EMAIL PROTECTED]] Sent: Thursday, February 06, 2003 2:57 AM To: Tomcat Users List Subject: RE: multiple instances of tomcat You need to set the CATALINA_BASE environment variable for each instance, so in the bin directory: set CATALINA_BASE=c:\aa1 startup.bat set CATALINA_BASE=c:\aa2 startup.bat Make sure you also have the shutdown ports (8005) set to two different values in the server.xml files. You can add the debug attribute (Logger debug=9) in the server Logger element and check the logs to see what is going wrong. Also, if the window is closing sraight away and you can't see the messages, then open two command prompts and start one instance in one, the other in the other with the command: catalina.bat run This runs the instance in the same window so it stays open if it exits prematurely. Hope this helps. Kris -Original Message- From: Henry Krasny [mailto:[EMAIL PROTECTED]] Sent: Wednesday, February 05, 2003 10:56 PM To: [EMAIL PROTECTED] Subject: multiple instances of tomcat I'm having lots of trouble starting a second instance of tomcat on my machine, Windows XP. I am able to start a single instance on port 8080 (the default installation). I can also start a single instance on port 8081 (C:\aa1) using the instructions in RUNNING.txt (section 4), but I cannot get the second instance to start. Instance1 Port: 8081 Location: C:\aa1 C:\aa1\conf\server.xml: (line 94) Connector port=8081 Instance2 Port: 8082 Location: C:\aa2 C:\aa2\conf\server.xml: (line 94) Connector port=8082 Both locations contain full copies of these directories: conf, logs, temp, webapps, work What should my CATALINA_BASE be set to to allow me to start both instances? What other changes should I be making to server.xml? I assume the instances will be accessed this way: http://localhost:8081/index.jsp http://localhost:8080/index.jsp http://localhost:8082/index.jsp http://localhost:8080/index.jsp What is the exact start command? (I try to use 'startup.bat' in bin of the tomcat root.) Also, from RUNNING.txt, I don't know what to do with the administration and manager web applications as described in section 4. Any help appreciated. Henry - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
multiple instances of tomcat
I'm having lots of trouble starting a second instance of tomcat on my machine, Windows XP. I am able to start a single instance on port 8080 (the default installation). I can also start a single instance on port 8081 (C:\aa1) using the instructions in RUNNING.txt (section 4), but I cannot get the second instance to start. Instance1 Port: 8081 Location: C:\aa1 C:\aa1\conf\server.xml: (line 94) Connector port=8081 Instance2 Port: 8082 Location: C:\aa2 C:\aa2\conf\server.xml: (line 94) Connector port=8082 Both locations contain full copies of these directories: conf, logs, temp, webapps, work What should my CATALINA_BASE be set to to allow me to start both instances? What other changes should I be making to server.xml? I assume the instances will be accessed this way: http://localhost:8081/index.jsp http://localhost:8080/index.jsp http://localhost:8082/index.jsp http://localhost:8080/index.jsp What is the exact start command? (I try to use 'startup.bat' in bin of the tomcat root.) Also, from RUNNING.txt, I don't know what to do with the administration and manager web applications as described in section 4. Any help appreciated. Henry
Multiple Instances of Tomcat as a Service
I am running multiple JVMs of Tomcat using the CATALINA_BASE environment variables. Currently, the only way I know of to start these is with the start batch files. Does anyone know of a way to start multiple instancs of tomcat as services? Jason -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Multiple Instances of Tomcat as a Service
Not sure what you mean, but I have a start|stop script for each instance of Tomcat. The scripts aren't much, just a call to Tomcat's startup for start, and a call to Tomcat's shutdown along with a cleanout of the work directory for stop. Then I have a start|stop superscript that can call all of the individual scripts in sequence if needed. So, I either use an individual script, or if I need to take them all down (very rare) I use the superscript. John -Original Message- From: Jason Chambers [mailto:[EMAIL PROTECTED]] Sent: Friday, January 03, 2003 3:07 AM To: [EMAIL PROTECTED] Subject: Multiple Instances of Tomcat as a Service I am running multiple JVMs of Tomcat using the CATALINA_BASE environment variables. Currently, the only way I know of to start these is with the start batch files. Does anyone know of a way to start multiple instancs of tomcat as services? Jason -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.434 / Virus Database: 243 - Release Date: 12/25/2002 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.434 / Virus Database: 243 - Release Date: 12/25/2002 -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Multiple Instances of Tomcat as a Service
I think he means something like an NT service. Just follow the instructions here: http://www.mattkelli.com/tech/tomcat/ntservice.htm However, add on thing: Dcatalina.base=[your custom CATALINA_BASE path here] Also, make sure to name the service differently than one you may already have installed. I haven't tested this, but I would think is should work. Jake At 04:26 AM 1/3/2003 -0500, you wrote: Not sure what you mean, but I have a start|stop script for each instance of Tomcat. The scripts aren't much, just a call to Tomcat's startup for start, and a call to Tomcat's shutdown along with a cleanout of the work directory for stop. Then I have a start|stop superscript that can call all of the individual scripts in sequence if needed. So, I either use an individual script, or if I need to take them all down (very rare) I use the superscript. John -Original Message- From: Jason Chambers [mailto:[EMAIL PROTECTED]] Sent: Friday, January 03, 2003 3:07 AM To: [EMAIL PROTECTED] Subject: Multiple Instances of Tomcat as a Service I am running multiple JVMs of Tomcat using the CATALINA_BASE environment variables. Currently, the only way I know of to start these is with the start batch files. Does anyone know of a way to start multiple instancs of tomcat as services? Jason -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.434 / Virus Database: 243 - Release Date: 12/25/2002 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.434 / Virus Database: 243 - Release Date: 12/25/2002 -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: How to set Multiple instances for tomcat?
Tushar Kulkarni wrote: Hi I want to set multiple instances for tomcat4. How do I do that? Thanks In the Tomcat documentation there are some explanation about it. Mainly you have to set CATALINA_HOME to point to your Tomcat installation, and CATALINA_BASE pointing to directory where you want to store your particular instance. P.S. Fix your year settings -- it's 2002 now. ;-) -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: How to set Multiple instances for tomcat?
This is a pretty vague question so you're going to get a vague answer. Look at http://jakarta.apache.org/tomcat/tomcat-4.0-doc/RUNNING.txt item #4. Jeremy -Original Message- From: Tushar Kulkarni [mailto:[EMAIL PROTECTED]] Sent: Saturday, December 01, 2001 9:19 AM To: Tomcat Users List Subject: How to set Multiple instances for tomcat? Hi I want to set multiple instances for tomcat4. How do I do that? Thanks -- To unsubscribe, e-mail: mailto:tomcat-user- [EMAIL PROTECTED] For additional commands, e-mail: mailto:tomcat-user- [EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: How to set Multiple instances for tomcat?
Separate server.xml files (like server-1.xml, server-2.xml), separate work directories. Also set CATALINA_BASE to what would normally be CATALINA_HOME in a single-intance configuration, then set CATALINA_HOME for each separate instance to the correct directory. John -Original Message- From: Tushar Kulkarni [mailto:[EMAIL PROTECTED]] Sent: Saturday, December 01, 2001 12:19 PM To: Tomcat Users List Subject: How to set Multiple instances for tomcat? Hi I want to set multiple instances for tomcat4. How do I do that? Thanks -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Multiple instances of Tomcat
Greetings A long, long time i´m trying to configure tomcat to run with multiple instances (tomcat+apache). Has some one in this list that can help me to do this ? Or just give me the firt step Thanks a lot ... Pedro Igor
RE: Multiple instances of Tomcat
One Apache. Many Tomcats. For many Tomcats, if you intend to delegate each Tomcat to a specific web app, virtual host, or business client, you need a server.xml for each, and you need to set CATALINA_BASE and things like appBase and docBase in each server.xml accordingly. You will need to change the connector port as well. If by multiple instances you mean that you want to load-balance Tomcat requests, you need to set up a worker in workers.properties (assuming that you are using JK) for each Tomcat. Good load-balancing HOWTO: http://www.ubeans.com/tomcat John -Original Message- From: Pedro Igor Craveiro e Silva [mailto:pedroigor;aip.com.br] Sent: Tuesday, November 05, 2002 6:43 AM To: [EMAIL PROTECTED] Subject: Multiple instances of Tomcat Greetings A long, long time i´m trying to configure tomcat to run with multiple instances (tomcat+apache). Has some one in this list that can help me to do this ? Or just give me the firt step Thanks a lot ... Pedro Igor -- To unsubscribe, e-mail: mailto:tomcat-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:tomcat-user-help;jakarta.apache.org
Re: Multiple instances of Tomcat
Thanks ... The page that you have send me is what i was looking for ... Thanks a lot I 'll try it ... Pedro Igor - Original Message - From: Turner, John [EMAIL PROTECTED] To: 'Tomcat Users List' [EMAIL PROTECTED] Sent: Tuesday, November 05, 2002 9:50 AM Subject: RE: Multiple instances of Tomcat One Apache. Many Tomcats. For many Tomcats, if you intend to delegate each Tomcat to a specific web app, virtual host, or business client, you need a server.xml for each, and you need to set CATALINA_BASE and things like appBase and docBase in each server.xml accordingly. You will need to change the connector port as well. If by multiple instances you mean that you want to load-balance Tomcat requests, you need to set up a worker in workers.properties (assuming that you are using JK) for each Tomcat. Good load-balancing HOWTO: http://www.ubeans.com/tomcat John -Original Message- From: Pedro Igor Craveiro e Silva [mailto:pedroigor;aip.com.br] Sent: Tuesday, November 05, 2002 6:43 AM To: [EMAIL PROTECTED] Subject: Multiple instances of Tomcat Greetings A long, long time i´m trying to configure tomcat to run with multiple instances (tomcat+apache). Has some one in this list that can help me to do this ? Or just give me the firt step Thanks a lot ... Pedro Igor -- To unsubscribe, e-mail: mailto:tomcat-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:tomcat-user-help;jakarta.apache.org -- To unsubscribe, e-mail: mailto:tomcat-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:tomcat-user-help;jakarta.apache.org
Multiple instances of Tomcat
Hi, I have multiple instances of Tomcat4.0.3, say, TC1, TC2, TC3 running on different m/c's and all these are talking to the same database. I have some application objects stored in each instance. My requirement: When I refresh an app object say app1 in TC1, I want to refresh this object in TC2 and TC3 too. These app objects store same data from the DB, but are specific to that tomcat instance. How do I achieve this ? Any pointers to this are highly appreciated. TIA Santosh __ Yahoo! - We Remember 9-11: A tribute to the more than 3,000 lives lost http://dir.remember.yahoo.com/tribute -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: Multiple instances of Tomcat
The answer would depend upon what event, etc., is the occasion for the refresh[ing of] an app object. If the objects store the same data, sounds as if you really don't want multiple objects. Do you mean Value Objects? You can do all this many, many, many different ways. What do you mean when you say you have the application objects stored? You have a common database but yet different storage for the application objects. So, you must mean something other than database storage. What kind of storage? Serialized? If you are serializiong three objects outside the database with the identical features and need to refresh them to be the same, why not just write them to the common database? I probably don't understand what you have in mind. I like this problems that sound like this though. At 12:25 AM 9/11/2002 -0700, you wrote: Hi, I have multiple instances of Tomcat4.0.3, say, TC1, TC2, TC3 running on different m/c's and all these are talking to the same database. I have some application objects stored in each instance. My requirement: When I refresh an app object say app1 in TC1, I want to refresh this object in TC2 and TC3 too. These app objects store same data from the DB, but are specific to that tomcat instance. How do I achieve this ? Any pointers to this are highly appreciated. TIA Santosh __ Yahoo! - We Remember 9-11: A tribute to the more than 3,000 lives lost http://dir.remember.yahoo.com/tribute -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Multiple instances of Tomcat
-Original Message- From: Santosh Kulkarni [mailto:[EMAIL PROTECTED]] Sent: Wednesday, September 11, 2002 12:25 AM To: [EMAIL PROTECTED] Subject: Multiple instances of Tomcat Hi, I have multiple instances of Tomcat4.0.3, say, TC1, TC2, TC3 running on different m/c's and all these are talking to the same database. I have some application objects stored in each instance. My requirement: When I refresh an app object say app1 in TC1, I want to refresh this object in TC2 and TC3 too. These app objects store same data from the DB, but are specific to that tomcat instance. How do I achieve this ? Any pointers to this are highly appreciated. My 2 cents. You can run a daemon thread which shall check the values in your database after a specified time gap say 2 mins, and if the database value has been changed, then the corresponding value in the context can be refreshed. TIA Santosh Vikram. __ Yahoo! - We Remember 9-11: A tribute to the more than 3,000 lives lost http://dir.remember.yahoo.com/tribute -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Multiple instances of Tomcat
If you really need this you can do in very different ways. A file can be generated by one instance saying I (TC1) refreshed. All tomcats are checking from time to time (you specifiy) if there's this new file. When there's each tomcat must write its line (I TCi refreshed). The last one deletes the file. When say a file, it can be a table on database. Or you can send an email from each tomcat refreshing to all you want to be warned. Each tomcat would be checking on its mail box. Or even easier you have a servlet responsible for refreshing the object in each tomcat which receives the request for refreshing its object. Each toncat would then call the corresponding servlet through redirect for warning them. you can do by SMS too lol - Original Message - From: Santosh Kulkarni [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, September 11, 2002 9:25 AM Subject: Multiple instances of Tomcat Hi, I have multiple instances of Tomcat4.0.3, say, TC1, TC2, TC3 running on different m/c's and all these are talking to the same database. I have some application objects stored in each instance. My requirement: When I refresh an app object say app1 in TC1, I want to refresh this object in TC2 and TC3 too. These app objects store same data from the DB, but are specific to that tomcat instance. How do I achieve this ? Any pointers to this are highly appreciated. TIA Santosh __ Yahoo! - We Remember 9-11: A tribute to the more than 3,000 lives lost http://dir.remember.yahoo.com/tribute -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: Multiple instances of Tomcat
Use Object Relational Bridge: http://jakarta.apache.org/ojb/ You can run it on a seperate system and use it to persist objects for all three instance of Tomcat. Regards, Glenn Santosh Kulkarni wrote: Hi, I have multiple instances of Tomcat4.0.3, say, TC1, TC2, TC3 running on different m/c's and all these are talking to the same database. I have some application objects stored in each instance. My requirement: When I refresh an app object say app1 in TC1, I want to refresh this object in TC2 and TC3 too. These app objects store same data from the DB, but are specific to that tomcat instance. How do I achieve this ? Any pointers to this are highly appreciated. TIA Santosh __ Yahoo! - We Remember 9-11: A tribute to the more than 3,000 lives lost http://dir.remember.yahoo.com/tribute -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Multiple instances of Tomcat
I have come across this topic many times in this mailing list, but never paid attention since I never needed to but I now need to run multiple instances of Tomcat on a single server (IIS). The only docs I came across say to set a CATALINA_BASE variable, and that is all they say. What steps need to be taken to use multiple instances of Tomcat? What directories need to be duplicated, and what files need to be changed? also I am using the isapi redirect, what has to be done there? I'd appreciate any help, Thanks. -Frank
AW: Multiple instances of Tomcat
Although the following is for unix and tomcat standalone, this
should give you the right direction. We have a structure like
this:
/www/online/site
/log
dirctory for the log file
/conf
web.xml
server.xml
and other files that contain the site specific setup for tomcat
(tailored versions of the files that are provided by
tomcat)
make shure that the combination of IP and port are unique for
each instance of tomcat.
...
/work
Directory where tomcat stores the genared files and classes
/webapps
Directories for the contexts
/bin
start.sh
Script that calls the tomcat that we want to use for
this site with the environment for this site:
JAVA_HOME=/usr/local/java/jdk/sun1.3.1
CATALINA_HOME=/usr/local/java/tomcat-4.0.3
CATALINA_BASE=/www/online/site
export JAVA_HOME CATALINA_HOME CATALINA_BASE
${CATALINA_HOME}/bin/startup.sh
/usr/local/java/jdk/ibm1.3
/usr/local/java/jdk/sun1.3
/usr/local/java/jdk/sun1.3.1
/usr/local/java/jdk/sun1.4
/usr/local/java/tomcat-4.0.3
/usr/local/java/tomcat-4.0.4
This way we can have different versions of tomcat at the same time,
all sites that use the same tomcat version use the same 'executable'
but different processes and individual configuration. If we want to
use an other version of tomcat we just have to change CATALINA_HOME
in start.sh (unless the config files are incompatible between these
versions)
Have a look at RUNNING.txt in the tomcat distribution:
(4) Advanced Configuration - Multiple Tomcat 4 Instances
...
Ralph Einfeldt
Uptime Internet Solution Center GmbH
Hamburg, Germany
Hosting, Content Management, Java Consulting
http://www.uptime-isc.de
-Ursprüngliche Nachricht-
Von: Frank Diakovasilis [mailto:[EMAIL PROTECTED]]
Gesendet: Freitag, 2. August 2002 16:26
An: '[EMAIL PROTECTED]'
Betreff: Multiple instances of Tomcat
I have come across this topic many times in this mailing
list, but never paid attention since I never needed to
but I now need to run multiple instances of Tomcat on a
single server (IIS). The only docs I came across say to
set a CATALINA_BASE variable, and that is all they say.
What steps need to be taken to use multiple instances of
Tomcat? What directories need to be duplicated, and what
files need to be changed? also I am using the isapi redirect,
what has to be done there?
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RE: Multiple instances of Tomcat
Thank you Ralph, this should get me started.
-Original Message-
From: Ralph Einfeldt [mailto:[EMAIL PROTECTED]]
Sent: Friday, August 02, 2002 10:31 AM
To: Tomcat Users List
Subject: AW: Multiple instances of Tomcat
Although the following is for unix and tomcat standalone, this
should give you the right direction. We have a structure like
this:
/www/online/site
/log
dirctory for the log file
/conf
web.xml
server.xml
and other files that contain the site specific setup for tomcat
(tailored versions of the files that are provided by
tomcat)
make shure that the combination of IP and port are unique for
each instance of tomcat.
...
/work
Directory where tomcat stores the genared files and classes
/webapps
Directories for the contexts
/bin
start.sh
Script that calls the tomcat that we want to use for
this site with the environment for this site:
JAVA_HOME=/usr/local/java/jdk/sun1.3.1
CATALINA_HOME=/usr/local/java/tomcat-4.0.3
CATALINA_BASE=/www/online/site
export JAVA_HOME CATALINA_HOME CATALINA_BASE
${CATALINA_HOME}/bin/startup.sh
/usr/local/java/jdk/ibm1.3
/usr/local/java/jdk/sun1.3
/usr/local/java/jdk/sun1.3.1
/usr/local/java/jdk/sun1.4
/usr/local/java/tomcat-4.0.3
/usr/local/java/tomcat-4.0.4
This way we can have different versions of tomcat at the same time,
all sites that use the same tomcat version use the same 'executable'
but different processes and individual configuration. If we want to
use an other version of tomcat we just have to change CATALINA_HOME
in start.sh (unless the config files are incompatible between these
versions)
Have a look at RUNNING.txt in the tomcat distribution:
(4) Advanced Configuration - Multiple Tomcat 4 Instances
...
Ralph Einfeldt
Uptime Internet Solution Center GmbH
Hamburg, Germany
Hosting, Content Management, Java Consulting
http://www.uptime-isc.de
-Ursprüngliche Nachricht-
Von: Frank Diakovasilis [mailto:[EMAIL PROTECTED]]
Gesendet: Freitag, 2. August 2002 16:26
An: '[EMAIL PROTECTED]'
Betreff: Multiple instances of Tomcat
I have come across this topic many times in this mailing
list, but never paid attention since I never needed to
but I now need to run multiple instances of Tomcat on a
single server (IIS). The only docs I came across say to
set a CATALINA_BASE variable, and that is all they say.
What steps need to be taken to use multiple instances of
Tomcat? What directories need to be duplicated, and what
files need to be changed? also I am using the isapi redirect,
what has to be done there?
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Re: Multiple instances of Tomcat
You need to go through the server.xml file and for whatever connectors that use ports that you have uncommente the following fashion: item original port tomcat 1tomcat 2 -- server 8005 11005 12005 ajp 8009 11009 12009 http 8080 11080 12080 the ubeans site recommends commenting http standalone out but I wanted to keep it for testing so I changed that too d. Frank Diakovasilis wrote: I have come across this topic many times in this mailing list, but never paid attention since I never needed to but I now need to run multiple instances of Tomcat on a single server (IIS). The only docs I came across say to set a CATALINA_BASE variable, and that is all they say. What steps need to be taken to use multiple instances of Tomcat? What directories need to be duplicated, and what files need to be changed? also I am using the isapi redirect, what has to be done there? I'd appreciate any help, Thanks. -Frank -- David Mossakowski [EMAIL PROTECTED] Instinet Corporation 212.310.7275 ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.mimesweeper.com ** -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Multiple instances of Tomcat
thanks -Original Message- From: David Mossakowski [mailto:[EMAIL PROTECTED]] Sent: Friday, August 02, 2002 1:45 PM To: Tomcat Users List Subject: Re: Multiple instances of Tomcat You need to go through the server.xml file and for whatever connectors that use ports that you have uncommente the following fashion: item original port tomcat 1tomcat 2 -- server 8005 11005 12005 ajp 8009 11009 12009 http 8080 11080 12080 the ubeans site recommends commenting http standalone out but I wanted to keep it for testing so I changed that too d. Frank Diakovasilis wrote: I have come across this topic many times in this mailing list, but never paid attention since I never needed to but I now need to run multiple instances of Tomcat on a single server (IIS). The only docs I came across say to set a CATALINA_BASE variable, and that is all they say. What steps need to be taken to use multiple instances of Tomcat? What directories need to be duplicated, and what files need to be changed? also I am using the isapi redirect, what has to be done there? I'd appreciate any help, Thanks. -Frank -- David Mossakowski [EMAIL PROTECTED] Instinet Corporation 212.310.7275 ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.mimesweeper.com ** -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Multiple Instances of Tomcat 4.0.4
Thank you for your reply. I am still not far from where I started last week!
When using Tomcat 3.2.3, my tomcat.conf read something like this:
[snip]
ApJServMount /alpha ajpv12://web:8995/alpha
ApJServMount /beta ajpv12://web:8996/beta
[snip]
where web was the host machine and /alpha and /beta were applications on
two instances of tomcat. Now I am using Tomcat 4.0.4 and therefore mod_jk.
How should I change my tomcat.conf? I tried replacing ApJServMount with
JkMount but Apache(2.0.39) doesnt seem to redirect to tomcat :(
Anybody somebody please help!
-Vijay
-Original Message-
From: Eddie Bush [mailto:[EMAIL PROTECTED]]
Sent: Saturday, July 13, 2002 12:51 PM
To: Tomcat Users List
Subject: Re: Multiple Instances of Tomcat 4.0.4
ubeans.com/tomcat - try that.
I haven't personally done this, so I can't help you. The above assumes
you're using Apache. Hopefully someone else will respond that knows more.
Regards,
Eddie
Vijay Kandy wrote:
Hello All,
When I try to run %CATALINA_HOME%\bin\catalina start -f
%CATALINA_HOME%\conf\server1.xml for different server.xml's I get this
message:
usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [
-debug
] [ -nonaming ] { start | stop }
From the docs, I made copies of Tomcat folder and added the paths to
CATALINA_BASE. Doesnt seem to work either. Can some one point me in the
right direction please? Is there a good documentation?
Thank you,
Vijay
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Multiple Instances of Tomcat 4.0.4
Hello All,
When I try to run %CATALINA_HOME%\bin\catalina start -f
%CATALINA_HOME%\conf\server1.xml for different server.xml's I get this
message:
usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [
-debug
] [ -nonaming ] { start | stop }
From the docs, I made copies of Tomcat folder and added the paths to
CATALINA_BASE. Doesnt seem to work either. Can some one point me in the
right direction please? Is there a good documentation?
Thank you,
Vijay
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Re: Multiple Instances of Tomcat 4.0.4
ubeans.com/tomcat - try that.
I haven't personally done this, so I can't help you. The above assumes
you're using Apache. Hopefully someone else will respond that knows more.
Regards,
Eddie
Vijay Kandy wrote:
Hello All,
When I try to run %CATALINA_HOME%\bin\catalina start -f
%CATALINA_HOME%\conf\server1.xml for different server.xml's I get this
message:
usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [
-debug
] [ -nonaming ] { start | stop }
From the docs, I made copies of Tomcat folder and added the paths to
CATALINA_BASE. Doesnt seem to work either. Can some one point me in the
right direction please? Is there a good documentation?
Thank you,
Vijay
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Multiple instances of tomcat
Hello all, I have posted this once, but went unanswered. Can some one please help me? Iam having problems configuring multiple instances of Tomcat with Apache. I have 7 instances of Tomcat talking to Apache. But Tomcat is serving both HTML and Servlet content. I want Apache to serve HTML and Tomcat to serve out Servlet content. I have a _server.xml file for each instance of Tomcat and the Context goes like this: Context path=/pboAlpha docBase=webapps/pboAlpha debug=0 reloadable=false crossContext=false /Context [I have one context in each server.xml file so, each instance hosts just one context.] Also I have 1 tomcat.conf and it goes this like: ApJServMount /pboAlpha ajpv12://dev.server.com:8995/pboAlpha ApJServMount /pboBeta ajpv12://dev.server.com:8996/pboBeta ...and 5 more... I think, as soon as Apache come across /pboAlpha in the URL, it forwards it to Tomcat instance wether it be a HTML request or Servlet request. What am I doing wrong? I would be grateful for any help. Thank you, Vijay. -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
RE: problem with multiple instances on Tomcat 4.0.1
dj, Did you change all of the port assignments? I ran into the same problem and found I hadn't changed the port for the tomcat server : Server port=8005 shutdown=SHUTDOWN debug=0 I had just changed the HTTP connector port. Search for port in the server.xml file and see where it's being assigned. Good luck, -Mark -Original Message- From: Dong Jiang [mailto:[EMAIL PROTECTED]] Sent: Monday, December 31, 2001 8:08 AM To: [EMAIL PROTECTED] Subject: problem with multiple instances on Tomcat 4.0.1 Hi, I installed Tomcat4.0.1 on a Solaris box. I try to start multiple instances on different port according to the installation instruction. However, I found that I can only start one instance at the one port, the other instances, although set to start at different ports by server.xml, has address in use error. Anyone has the same experience or help me on this will be greatly appreciated. dj __ Do You Yahoo!? Send your FREE holiday greetings online! http://greetings.yahoo.com -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED] -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Multiple instances of tomcat 4
I am trying to set up Tomcat 4 to run multiple instances. I have set
the CATALINA_BASE variable to a different path than CATALINA_HOME and
have copied the server.xml file from $CATALINA_HOME/conf to
$CATALINA_BASE/conf. I have changed the $CATALINA_BASE/conf/server.xml
file so that ports 8XXX are now 9XXX. I try to run the following:
$CATALINA_HOME/bin/startup.sh -f $CATALINA_BASE/conf/server.xml
Tomcat is not started, and I get the following message in the
$CATALINA_BASE/logs/catalina.out:
usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ]
[ -debug ] [ -nonaming ] { start | stop }
When I startup tomcat normally:
$CATALINA_HOME/bin/startup.sh
Everything works just fine.
If anyone else has been able to set up multiple instances of Tomcat 4,
would you please let me know how?
Thanks.
Joe.
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Multiple Instances of Tomcat
I am trying to configure multiple instances of tomcat under apache. I have server1.xml(port 8007) and server2.xml(port 8009) files and everytime i start tomcat with any of these files i rename the mod_jk.conf-auto file to mod_jk.conf1-auto and mod_jk.conf2-auto. I have then included mod_jk.conf1-auto and mod_jk.conf2-auto in apaches httpd.conf. After this everything should be working fine. I cannnot run servlets or jsp pages defined within the context of server2.xml. However all the contexts defined withing server1.xml work fine. Am i missing a step or something. In documentation they mention that in apache configuration we have to instruct the web server adapter on how to find the Tomcat process responsible for the context. They mention that these have to be added # Mounting the first context. JkMount /abc ajpv12://localhost:8007/abc # Mounting the second context. JkMount /xyz ajpv12://localhost:8009/xyz In which file i dont know? Please advise. Thanks Abhijat Thakur bDNA Corporation
Multiple Instances of Tomcat
Hi, I am trying to run multiple instances of Tomcat. The documentation tells me that i have to have two server.xml files and have to start Tomca with bin/startup.sh -f /conf/server1.xml and bin/startup.sh -f /conf/server2.xml. Depending on the tomcat instance to which a servlet in a particular application has to be directed the context for that application has to be defined in that particular server.xml file. Now when i start my tomcat and try and start my second instnace of tomcat i get an error. However the port on which i am starting the second tomcat instance is free. FATAL:java.net.BindException: Address already in use java.net.BindException: Address already in use at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:405) at java.net.ServerSocket.init(ServerSocket.java:170) at java.net.ServerSocket.init(ServerSocket.java:121) at org.apache.tomcat.net.DefaultServerSocketFactory.createSocket(DefaultServerS ocketFactory.java:97) at org.apache.tomcat.service.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint.java :239) at org.apache.tomcat.service.PoolTcpConnector.start(PoolTcpConnector.java:188) at org.apache.tomcat.core.ContextManager.start(ContextManager.java:527) at org.apache.tomcat.startup.Tomcat.execute(Tomcat.java:202) at org.apache.tomcat.startup.Tomcat.main(Tomcat.java:235) Any advice is highly appreciated. Abhijat Thakur
RE: Multiple Instances of Tomcat
Hi, i am actually using different ports. 8007(server1.xml) and 8009(server2.xml). but i still get the error message. thanks -Original Message- From: Jason Koeninger [mailto:[EMAIL PROTECTED]] Sent: Wednesday, July 25, 2001 1:37 PM To: [EMAIL PROTECTED] Subject: Re: Multiple Instances of Tomcat The http, ajp12, and/or ajp13 services can't bind to the same port on the same IP address. You need to modify server.xml to put things on different ports or different IP addresses. Best Regards, Jason Koeninger JJ Computer Consulting http://www.jjcc.com On Wed, 25 Jul 2001 13:46:29 -0700, Abhijat Thakur wrote: Hi, I am trying to run multiple instances of Tomcat. The documentation tells me that i have to have two server.xml files and have to start Tomca with bin/startup.sh -f /conf/server1.xml and bin/startup.sh -f /conf/server2.xml. Depending on the tomcat instance to which a servlet in a particular application has to be directed the context for that application has to be defined in that particular server.xml file. Now when i start my tomcat and try and start my second instnace of tomcat i get an error. However the port on which i am starting the second tomcat instance is free. FATAL:java.net.BindException: Address already in use java.net.BindException: Address already in use at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:405) at java.net.ServerSocket.init(ServerSocket.java:170) at java.net.ServerSocket.init(ServerSocket.java:121) at org.apache.tomcat.net.DefaultServerSocketFactory.createSocket(DefaultServer S ocketFactory.java:97) at org.apache.tomcat.service.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint.jav a :239) at org.apache.tomcat.service.PoolTcpConnector.start(PoolTcpConnector.java:188) at org.apache.tomcat.core.ContextManager.start(ContextManager.java:527) at org.apache.tomcat.startup.Tomcat.execute(Tomcat.java:202) at org.apache.tomcat.startup.Tomcat.main(Tomcat.java:235) Any advice is highly appreciated. Abhijat Thakur
RE: Multiple Instances of Tomcat
Those sound like they would be used for ajp12 or 13 port numbers. Are you sure the http connector isn't still enabled on both server.xml files for port 8080? I'd be happy to glance at the two files if you like. Best Regards, Jason Koeninger JJ Computer Consulting http://www.jjcc.com On Wed, 25 Jul 2001 13:52:21 -0700, Abhijat Thakur wrote: Hi, i am actually using different ports. 8007(server1.xml) and 8009(server2.xml). but i still get the error message. thanks -Original Message- From: Jason Koeninger [mailto:[EMAIL PROTECTED]] Sent: Wednesday, July 25, 2001 1:37 PM To: [EMAIL PROTECTED] Subject: Re: Multiple Instances of Tomcat The http, ajp12, and/or ajp13 services can't bind to the same port on the same IP address. You need to modify server.xml to put things on different ports or different IP addresses. Best Regards, Jason Koeninger JJ Computer Consulting http://www.jjcc.com On Wed, 25 Jul 2001 13:46:29 -0700, Abhijat Thakur wrote: Hi, I am trying to run multiple instances of Tomcat. The documentation tells me that i have to have two server.xml files and have to start Tomca with bin/startup.sh -f /conf/server1.xml and bin/startup.sh -f /conf/server2.xml. Depending on the tomcat instance to which a servlet in a particular application has to be directed the context for that application has to be defined in that particular server.xml file. Now when i start my tomcat and try and start my second instnace of tomcat i get an error. However the port on which i am starting the second tomcat instance is free. FATAL:java.net.BindException: Address already in use java.net.BindException: Address already in use at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:405) at java.net.ServerSocket.init(ServerSocket.java:170) at java.net.ServerSocket.init(ServerSocket.java:121) at org.apache.tomcat.net.DefaultServerSocketFactory.createSocket(DefaultServer S ocketFactory.java:97) at org.apache.tomcat.service.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint.jav a :239) at org.apache.tomcat.service.PoolTcpConnector.start(PoolTcpConnector.java:188) at org.apache.tomcat.core.ContextManager.start(ContextManager.java:527) at org.apache.tomcat.startup.Tomcat.execute(Tomcat.java:202) at org.apache.tomcat.startup.Tomcat.main(Tomcat.java:235) Any advice is highly appreciated. Abhijat Thakur
Re: Multiple Instances of Tomcat
Abhijat Thakur at [EMAIL PROTECTED] wrote: Hi, i am actually using different ports. 8007(server1.xml) and 8009(server2.xml). but i still get the error message. I believe it's the control port of the tomcat server, the one used to shutdown the VM. Pier
RE: Multiple Instances of Tomcat
You were right the http connector was open in the second instance and was trying to access the same port as the one in the first instance. Now it works just fine. Thanks a lot. Appreciate all the help. Regards Abhijat Thakur -Original Message- From: Jason Koeninger [mailto:[EMAIL PROTECTED]] Sent: Wednesday, July 25, 2001 1:43 PM To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: RE: Multiple Instances of Tomcat Those sound like they would be used for ajp12 or 13 port numbers. Are you sure the http connector isn't still enabled on both server.xml files for port 8080? I'd be happy to glance at the two files if you like. Best Regards, Jason Koeninger JJ Computer Consulting http://www.jjcc.com On Wed, 25 Jul 2001 13:52:21 -0700, Abhijat Thakur wrote: Hi, i am actually using different ports. 8007(server1.xml) and 8009(server2.xml). but i still get the error message. thanks -Original Message- From: Jason Koeninger [mailto:[EMAIL PROTECTED]] Sent: Wednesday, July 25, 2001 1:37 PM To: [EMAIL PROTECTED] Subject: Re: Multiple Instances of Tomcat The http, ajp12, and/or ajp13 services can't bind to the same port on the same IP address. You need to modify server.xml to put things on different ports or different IP addresses. Best Regards, Jason Koeninger JJ Computer Consulting http://www.jjcc.com On Wed, 25 Jul 2001 13:46:29 -0700, Abhijat Thakur wrote: Hi, I am trying to run multiple instances of Tomcat. The documentation tells me that i have to have two server.xml files and have to start Tomca with bin/startup.sh -f /conf/server1.xml and bin/startup.sh -f /conf/server2.xml. Depending on the tomcat instance to which a servlet in a particular application has to be directed the context for that application has to be defined in that particular server.xml file. Now when i start my tomcat and try and start my second instnace of tomcat i get an error. However the port on which i am starting the second tomcat instance is free. FATAL:java.net.BindException: Address already in use java.net.BindException: Address already in use at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:405) at java.net.ServerSocket.init(ServerSocket.java:170) at java.net.ServerSocket.init(ServerSocket.java:121) at org.apache.tomcat.net.DefaultServerSocketFactory.createSocket(DefaultServe r S ocketFactory.java:97) at org.apache.tomcat.service.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint.ja v a :239) at org.apache.tomcat.service.PoolTcpConnector.start(PoolTcpConnector.java:188 ) at org.apache.tomcat.core.ContextManager.start(ContextManager.java:527) at org.apache.tomcat.startup.Tomcat.execute(Tomcat.java:202) at org.apache.tomcat.startup.Tomcat.main(Tomcat.java:235) Any advice is highly appreciated. Abhijat Thakur
Multiple Instances of Tomcat
Hi, I have multiple instances of Tomcat running on my server and i have configured apache to work with tomcat. What i am not able to figure out is which tomcat file needs modification so that different contexts can be directed to different instances. In server.xml file for different instances i do mention the different contexts related with the different instances. According to Documentation i have to do something like this in (Apache-Tomcat Configuration with per Context JVM) # Mounting the first context. ApJServMount /xyz ajpv12://xyz.corp.com:8007/xyz # Mounting the second context. ApJServMount /abc ajpv12://abc.corp.com:8007/abc i am not sure which file needs this modification. At present which ever instance i load in the end all the requests get directed to that instance. Any help is highly appreciated. Thanks a lot Regards Abhijat Thakur
multiple instances of tomcat
Hello all I was just wondering whether it would be possible to have two different tomcat processes (running on different ports) simultaneously? From looking at the 'Minimalistic Usres Guide' it seems this can be done with Apache, but can it be done with Tomcat as a standalond JSP server? thanks! Jason _ http://store.yahoo.com.au - Yahoo! Store - It's time you had your business online!
RE: multiple instances of tomcat
For development, we're doing exactly that: starting five different Tomcat processes, each with its own server.xml (specified with a -f command-line flag) which specifies the set of ports to use. Now, we're not using JSPs, but servlets. There may be some issues with recompilation of JSPs in one Tomcat instance confusing another one--you might want to turn off class reloading to be safe. But everything else should work fine. -- Bill K. -Original Message- From: teh j [mailto:[EMAIL PROTECTED]] Sent: Friday, May 04, 2001 12:05 AM To: [EMAIL PROTECTED] Subject: multiple instances of tomcat Hello all I was just wondering whether it would be possible to have two different tomcat processes (running on different ports) simultaneously? From looking at the 'Minimalistic Usres Guide' it seems this can be done with Apache, but can it be done with Tomcat as a standalond JSP server? thanks! Jason __ ___ http://store.yahoo.com.au - Yahoo! Store - It's time you had your business online!
Re: multiple instances of tomcat
It is possible: You must have two different server.xml files. In the server.xml file you can configure that port in the http connector element. You also need to have 2 startup-scripts that call tomcat with the appropriate server.xml file. You don't need Apache to do this. Bye, Peter. -- Mag. Peter Hrastnik tele.ring Telekom Service GmbH A-1030 Wien, Hainburgerstr. 33 Tel.: +43/1/931012/3277, Mobil: +43/650/6503277 teh j wrote: Hello all I was just wondering whether it would be possible to have two different tomcat processes (running on different ports) simultaneously? From looking at the 'Minimalistic Usres Guide' it seems this can be done with Apache, but can it be done with Tomcat as a standalond JSP server? thanks! Jason _ http://store.yahoo.com.au - Yahoo! Store - It's time you had your business online!
Re: multiple instances of tomcat
Also, when you start tomcat, use the -r option to point to the correct server.xml file. ex: tomcat-start -r /usr/local/tomcat/conf/server-2.xml tomcat-start -r /usr/local/tomcat/conf/server-1.xml Where server-1.xml defines tomcat on port 8001, and server-2 defines tomcat on 8002. Will -- If Al Gore invented the Internet, then I invented spellcheck! Dan Quayle, quoted at the National Press Club, 8/3/1999 [EMAIL PROTECTED] Recovery : http://will.mylanders.com/ PCS: 316-371-FOAD On Fri, 4 May 2001, Peter Hrastnik wrote: It is possible: You must have two different server.xml files. In the server.xml file you can configure that port in the http connector element. You also need to have 2 startup-scripts that call tomcat with the appropriate server.xml file. You don't need Apache to do this. Bye, Peter.
RE: multiple instances of tomcat
We run two tomcats on WinNT. - Make Two tomcat directory trees e.g. Tomcat1, Tomcat2. - in each tomcat.bat set a specific TOMCAT_HOME directly e.g. set TOMCAT_HOME=D:\Tomcat1 set TOMCAT_HOME=D:\Tomcat2 instead of using a predefined System var TOMCAT_HOME. - modify each server.xml for the specific port. If you start tomcat as a NT service you have to modify in each wrapper.properties the var 'wrapper.tomcat_home' analogously Good luck, Wolfgang Stein -Original Message- From: Peter Hrastnik [mailto:[EMAIL PROTECTED]] Sent: Friday, May 04, 2001 4:05 PM To: [EMAIL PROTECTED] Subject: Re: multiple instances of tomcat It is possible: You must have two different server.xml files. In the server.xml file you can configure that port in the http connector element. You also need to have 2 startup-scripts that call tomcat with the appropriate server.xml file. You don't need Apache to do this. Bye, Peter. -- Mag. Peter Hrastnik tele.ring Telekom Service GmbH A-1030 Wien, Hainburgerstr. 33 Tel.: +43/1/931012/3277, Mobil: +43/650/6503277 teh j wrote: Hello all I was just wondering whether it would be possible to have two different tomcat processes (running on different ports) simultaneously? From looking at the 'Minimalistic Usres Guide' it seems this can be done with Apache, but can it be done with Tomcat as a standalond JSP server? thanks! Jason __ ___ http://store.yahoo.com.au - Yahoo! Store - It's time you had your business online!
RE: multiple instances of tomcat
Hi, I am not sure if it possible to run two instances of tomcat in standalone mode with different versions of server.xml. Tomcat has this strong notion of home built in to, the two tomcats should have different homes if they were to work mutually exclusive of each other. For if the two instances were to use the same home they both of them would see the same set of webapplications, use common logs, work directory and other configuration file in the conf directory. Thanx Ganesh -Original Message- From: Peter Hrastnik [mailto:[EMAIL PROTECTED]] Sent: Friday, May 04, 2001 7:05 AM To: [EMAIL PROTECTED] Subject: Re: multiple instances of tomcat It is possible: You must have two different server.xml files. In the server.xml file you can configure that port in the http connector element. You also need to have 2 startup-scripts that call tomcat with the appropriate server.xml file. You don't need Apache to do this. Bye, Peter. -- Mag. Peter Hrastnik tele.ring Telekom Service GmbH A-1030 Wien, Hainburgerstr. 33 Tel.: +43/1/931012/3277, Mobil: +43/650/6503277 teh j wrote: Hello all I was just wondering whether it would be possible to have two different tomcat processes (running on different ports) simultaneously? From looking at the 'Minimalistic Usres Guide' it seems this can be done with Apache, but can it be done with Tomcat as a standalond JSP server? thanks! Jason _ http://store.yahoo.com.au - Yahoo! Store - It's time you had your business online!
RE: multiple instances of tomcat
To seperate the JSP repositories for each instance, you can specify the jsp compiled classfile directory in the ContextManager tag in Server.xml. Just change the workDir variable to different directories. That way you don't have to orry about reading the wrong JSP repository. Josh -Original Message- From: Sankaranarayanan Ganapathy [mailto:[EMAIL PROTECTED]] Sent: Friday, May 04, 2001 1:49 PM To: '[EMAIL PROTECTED]' Subject: RE: multiple instances of tomcat Hi, I am not sure if it possible to run two instances of tomcat in standalone mode with different versions of server.xml. Tomcat has this strong notion of home built in to, the two tomcats should have different homes if they were to work mutually exclusive of each other. For if the two instances were to use the same home they both of them would see the same set of webapplications, use common logs, work directory and other configuration file in the conf directory. Thanx Ganesh -Original Message- From: Peter Hrastnik [mailto:[EMAIL PROTECTED]] Sent: Friday, May 04, 2001 7:05 AM To: [EMAIL PROTECTED] Subject: Re: multiple instances of tomcat It is possible: You must have two different server.xml files. In the server.xml file you can configure that port in the http connector element. You also need to have 2 startup-scripts that call tomcat with the appropriate server.xml file. You don't need Apache to do this. Bye, Peter. -- Mag. Peter Hrastnik tele.ring Telekom Service GmbH A-1030 Wien, Hainburgerstr. 33 Tel.: +43/1/931012/3277, Mobil: +43/650/6503277 teh j wrote: Hello all I was just wondering whether it would be possible to have two different tomcat processes (running on different ports) simultaneously? From looking at the 'Minimalistic Usres Guide' it seems this can be done with Apache, but can it be done with Tomcat as a standalond JSP server? thanks! Jason _ http://store.yahoo.com.au - Yahoo! Store - It's time you had your business online! This electronic mail transmission may contain confidential information and is intended only for the person(s) named. Any use, copying or disclosure by any other person is strictly prohibited. If you have received this transmission in error, please notify the sender via e-mail.
Multiple instances of Tomcat
Has anybody successfully gotten multiple instances of Tomcat running with a
single apache instance?
What I want is to be able to have different servlets served by different
tomcats to enable me to shutdown an instance with out killing the other
servlets.
I would also like to balance the load over multiple CPU's for obvious
reasons.
Background:
OS: FreeBSD 4.2
Apache: 1.3.14
Tomcat: 3.2.1
Functioning with multiple virtual servers and a single tomcat for example
http://server1 http://server1 an http://server2 http://server2 are
both being handed off to a single tomcat instance.
What I would like is for http://server1 http://server1 to be handled by
one tomcat instance and http://server2 http://server2 to be handled by
another.
I have seen some documentation on this but it is very limited.
Any help would be appreciated
Please cc me in replies.
Thanks
Dan Kummer
Requisite Technology
[EMAIL PROTECTED]
Office: (303) 474-2204
Office fax: (303) 474-2211
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RE: Multiple instances of Tomcat
Yes, I've done this. You need to hand-tailor workers.properties (I copied
it to workers.https and then modified it.) Your customized workers should
use the standard ports. Set one virtual server to communicate using ajp12,
and the other using ajp13. Then in your the ** original **
workers.properties for one of the tomcats, change ajp12 to use an unused
port, e.g. 8008, and also update server.xml to use this port. Now, start
both tomcats, then start apache. Your apache will talk to one of the
tomcats on ajp12, and the other on ajp13. You can still shut down the
tomcat under which you changed ajp12, since you have it running, just on a
different port.
-Original Message-
From: Dan Kummer [mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 08, 2001 3:20 PM
To: '[EMAIL PROTECTED]'
Subject: Multiple instances of Tomcat
Has anybody successfully gotten multiple instances of Tomcat running with a
single apache instance?
What I want is to be able to have different servlets served by different
tomcats to enable me to shutdown an instance with out killing the other
servlets.
I would also like to balance the load over multiple CPU's for obvious
reasons.
Background:
OS: FreeBSD 4.2
Apache: 1.3.14
Tomcat: 3.2.1
Functioning with multiple virtual servers and a single tomcat for example
http://server1 http://server1 an http://server2 http://server2 are
both being handed off to a single tomcat instance.
What I would like is for http://server1 http://server1 to be handled by
one tomcat instance and http://server2 http://server2 to be handled by
another.
I have seen some documentation on this but it is very limited.
Any help would be appreciated
Please cc me in replies.
Thanks
Dan Kummer
Requisite Technology
[EMAIL PROTECTED]
Office: (303) 474-2204
Office fax: (303) 474-2211
E-CONTENT SOLUTIONS THAT POWER B2B E-COMMERCE
CONFIDENTIALITY NOTICE
This electronic mail transmission and any accompanying documents contain
information belonging to the sender
("Information") that may be confidential and legally privileged. If you are
not the intended recipient, any disclosure, copying,
distribution or action taken in reliance on the Information is strictly
prohibited. If you have received the Information in error,
please contact the sender by reply email and destroy all copies of the
original email.
Thank you.
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
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To unsubscribe, e-mail: [EMAIL PROTECTED]
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Re: multiple instances of Tomcat
Amy Roh wrote: Does tomcat allow multiple instances running on the same machine? You can do this if you run Tomcat on different port numbers. What happens if you have different JSP files with same name on different ports? Does it create one java file or two? Will one overwrite the other one? There's two different scenarios: * Do you have separate TOMCAT_HOME directory hierarchies? If so, everything is independent of each other, and no overwrites will occur * Are you sharing TOMCAT_HOME directories? You are most likely going to have overwrite problems, because the work directories will be shared. - Amy Craig McClanahan - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
RE: multiple instances of Tomcat
-Original Message- From: Craig R. McClanahan [mailto:[EMAIL PROTECTED]] Sent: Wednesday, January 03, 2001 12:29 PM To: [EMAIL PROTECTED] Subject: Re: multiple instances of Tomcat Amy Roh wrote: Does tomcat allow multiple instances running on the same machine? You can do this if you run Tomcat on different port numbers. What happens if you have different JSP files with same name on different ports? Does it create one java file or two? Will one overwrite the other one? There's two different scenarios: * Do you have separate TOMCAT_HOME directory hierarchies? If so, everything is independent of each other, and no overwrites will occur * Are you sharing TOMCAT_HOME directories? You are most likely going to have overwrite problems, because the work directories will be shared. Do you truly need completely different TOMCAT_HOME directory trees? I assumed that using different log and work hierarchies would be sufficient. I have been experimenting with the following: In TOMCAT_HOME, I have separate startup.sh files, which identify specific server.xml files, as follows: $BASEDIR/tomcat.sh start -security -config ../conf/server_tst.xml "$@" The server.xml file (or, in this case, server_tst.xml file), then specifies a specific log and work directory structure, as follows: Logger name="tc_log" path="logs/tst/tomcat.log" verbosityLevel = "DEBUG" / . and later . ContextManager debug="0" workDir="work/tst" showDebugInfo="true" server_tst.xml also has the the autosetup line commented out, and the specific context I want to use is identified: !-- ContextInterceptor className="org.apache.tomcat.context.AutoSetup" / -- . and later . Context path="/tst" docBase="webapps/tst" crossContext="false" debug="0" reloadable="true" /Context It seems to me that this, along with the port changes, should work, but I'm getting errors, like this: 2001-01-03 08:50:09 - ContextManager: Error reading request, ignored - java.lang.NullPointerExceptio n at org.apache.tomcat.core.ContextManager.handleError(ContextManager.java:1099) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:80 0) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743) at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC onnectionHand ler.java:210) at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498) at java.lang.Thread.run(Thread.java:484) - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
multiple instances of Tomcat
Does tomcat allow multiple instances running on the same machine? What happens if you have different JSP files with same name on different ports? Does it create one java file or two? Will one overwrite the other one? - Amy - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
