How to set up multiple Tomcat instances?












4















Is there a proper way to run more than one tomcat instance on an Ubuntu server?



I've done some searching and found two options:




  1. Download a zipped tomcat and manually deploy it. The obvious con is that it won't be upgraded using apt-get.

  2. Use some advanced scripting, which is dangerous in a production server.


Any other ideas to cleanly run another instance?



Thanks in advance,



Adam










share|improve this question

























  • why do you need more than one instance?

    – cupakob
    Nov 14 '10 at 10:57











  • You need more than one instance if the deployment and runtime management for different web applications must be independent (e.g. executed at different times or by different people).

    – Reinier Post
    Feb 5 '16 at 10:27











  • See also superuser.com/questions/142791/…

    – Reinier Post
    Feb 5 '16 at 11:56
















4















Is there a proper way to run more than one tomcat instance on an Ubuntu server?



I've done some searching and found two options:




  1. Download a zipped tomcat and manually deploy it. The obvious con is that it won't be upgraded using apt-get.

  2. Use some advanced scripting, which is dangerous in a production server.


Any other ideas to cleanly run another instance?



Thanks in advance,



Adam










share|improve this question

























  • why do you need more than one instance?

    – cupakob
    Nov 14 '10 at 10:57











  • You need more than one instance if the deployment and runtime management for different web applications must be independent (e.g. executed at different times or by different people).

    – Reinier Post
    Feb 5 '16 at 10:27











  • See also superuser.com/questions/142791/…

    – Reinier Post
    Feb 5 '16 at 11:56














4












4








4


1






Is there a proper way to run more than one tomcat instance on an Ubuntu server?



I've done some searching and found two options:




  1. Download a zipped tomcat and manually deploy it. The obvious con is that it won't be upgraded using apt-get.

  2. Use some advanced scripting, which is dangerous in a production server.


Any other ideas to cleanly run another instance?



Thanks in advance,



Adam










share|improve this question
















Is there a proper way to run more than one tomcat instance on an Ubuntu server?



I've done some searching and found two options:




  1. Download a zipped tomcat and manually deploy it. The obvious con is that it won't be upgraded using apt-get.

  2. Use some advanced scripting, which is dangerous in a production server.


Any other ideas to cleanly run another instance?



Thanks in advance,



Adam







server tomcat multiple-instances






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Aug 11 '16 at 14:38









Reinier Post

15113




15113










asked Nov 14 '10 at 10:31









Adam MatanAdam Matan

4,759195886




4,759195886













  • why do you need more than one instance?

    – cupakob
    Nov 14 '10 at 10:57











  • You need more than one instance if the deployment and runtime management for different web applications must be independent (e.g. executed at different times or by different people).

    – Reinier Post
    Feb 5 '16 at 10:27











  • See also superuser.com/questions/142791/…

    – Reinier Post
    Feb 5 '16 at 11:56



















  • why do you need more than one instance?

    – cupakob
    Nov 14 '10 at 10:57











  • You need more than one instance if the deployment and runtime management for different web applications must be independent (e.g. executed at different times or by different people).

    – Reinier Post
    Feb 5 '16 at 10:27











  • See also superuser.com/questions/142791/…

    – Reinier Post
    Feb 5 '16 at 11:56

















why do you need more than one instance?

– cupakob
Nov 14 '10 at 10:57





why do you need more than one instance?

– cupakob
Nov 14 '10 at 10:57













You need more than one instance if the deployment and runtime management for different web applications must be independent (e.g. executed at different times or by different people).

– Reinier Post
Feb 5 '16 at 10:27





You need more than one instance if the deployment and runtime management for different web applications must be independent (e.g. executed at different times or by different people).

– Reinier Post
Feb 5 '16 at 10:27













See also superuser.com/questions/142791/…

– Reinier Post
Feb 5 '16 at 11:56





See also superuser.com/questions/142791/…

– Reinier Post
Feb 5 '16 at 11:56










3 Answers
3






active

oldest

votes


















2














I am setting this up on Ubuntu 14.04.3 LTS.
I am using the Tomcat 7 provided by the tomcat7 package.



It installs Tomcat as a system service by providing a standard init script:



/etc/init.d/tomcat7


and configuration file:



/etc/default/tomcat7


Tomcat supports running multiple instances with the same server software.
The server software is located in $CATALINA_HOME, the files for the instance are located in $CATALINA_BASE. They are defined as follows in /etc/init.d/tomcat7:



NAME=tomcat7
CATALINA_HOME=/usr/share/$NAME
CATALINA_BASE=/var/lib/$NAME


(Caveat: when editing files in the latter, be aware that it has some symlinks into the former.)



The tomcat7-user package provides the utility tomcat7-instance-create that can be used to create a directory tree for an additional Tomcat instance, including a bin/ directory with scripts for starting and stopping the instance manually.



What I haven't found is support for turning such an additional instance into a system service. Therefore, it must be done manually, e.g. as follows:




  1. Pick a value for the service name; it will be $NAME in the new init script.

  2. Create a new user with that name that will own the files for the Tomcat instance and as which Tomcat will run. It can be a system user, its properties should be the same as for the tomcat7 user.

  3. Run tomcat7-instance-create as that user to create a Tomcat instance.

  4. Configure it and install the web application(s) you want to run with it. Test them using its bin/startup.sh and bin/shutdown.sh scripts.

  5. Move the logs to /var/log/$NAME and symlink them back to logs/ of the new Tomcat instance.

  6. Write /etc/init.d/$NAME, e.g. by copying and modifying /etc/init.d/tomcat7 and modifying the assignment to $NAME. (It would be nicer if you didn't need to copy the whole script but could just create a link to it.)

  7. Write /etc/default/$NAME to point at your Tomcat instance and user.

  8. Use upstart-rc.d to install the new service.


I gleaned some of the details from Kodjo-Kuma Djomeda.






share|improve this answer

































    3














    Have you considered configuring several webapps directories instead of running multiple tomcat instances?



    Of course there are cases where you really need multiple instances but in case of serving same application separately for multiple hosts, you may do it by adding multiple declarations in server.xml:



      <Host name="host1.example.com" appBase="host1"
    unpackWARs="true" autoDeploy="true"
    xmlValidation="false" xmlNamespaceAware="false" />

    <Host name="host2.example.com" appBase="host2"
    unpackWARs="true" autoDeploy="true"
    xmlValidation="false" xmlNamespaceAware="false" />


    Now you may create "/var/lib/tomcat6/host1" and "/var/lib/tomcat6/host2" directories and deploy WAR files to them.






    share|improve this answer































      0














      I did the following:



      run the following command with the dir where tomcat should be created:



      tomcat8-instance-create staging


      than changed the ports to something unique (if you have other tomcat8 running:



      nano conf/server.xml


      i use the same user as the original tomcat8 so i make sure all files are owned by tomcat8



      chown -R tomcat8:tomcat8 * 


      i copied the script tomcat8 script in /etc/init.d/



      cp /etc/init.d/tomcat8 /etc/init.d/tomcat8_staging


      and edited the script to make it work with my new staging env:



      nano /etc/init.d/tomcat8_staging


      i had to edit the following lines to:



      NAME=tomcat8_staging
      DEFAULT=/etc/default/tomcat8
      CATALINA_BASE=/app/tomcat8/staging
      CATALINA_HOME=/usr/share/tomcat8


      and finally i enabled the server like this:



      systemctl enable tomcat8_staging


      when starting it with:



      service tomcat8_staging start


      i got an error about missing policy files so i created a link for that in the conf dir:



      ln -s /etc/tomcat8/policy.d policy.d





      share|improve this answer























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        3 Answers
        3






        active

        oldest

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        3 Answers
        3






        active

        oldest

        votes









        active

        oldest

        votes






        active

        oldest

        votes









        2














        I am setting this up on Ubuntu 14.04.3 LTS.
        I am using the Tomcat 7 provided by the tomcat7 package.



        It installs Tomcat as a system service by providing a standard init script:



        /etc/init.d/tomcat7


        and configuration file:



        /etc/default/tomcat7


        Tomcat supports running multiple instances with the same server software.
        The server software is located in $CATALINA_HOME, the files for the instance are located in $CATALINA_BASE. They are defined as follows in /etc/init.d/tomcat7:



        NAME=tomcat7
        CATALINA_HOME=/usr/share/$NAME
        CATALINA_BASE=/var/lib/$NAME


        (Caveat: when editing files in the latter, be aware that it has some symlinks into the former.)



        The tomcat7-user package provides the utility tomcat7-instance-create that can be used to create a directory tree for an additional Tomcat instance, including a bin/ directory with scripts for starting and stopping the instance manually.



        What I haven't found is support for turning such an additional instance into a system service. Therefore, it must be done manually, e.g. as follows:




        1. Pick a value for the service name; it will be $NAME in the new init script.

        2. Create a new user with that name that will own the files for the Tomcat instance and as which Tomcat will run. It can be a system user, its properties should be the same as for the tomcat7 user.

        3. Run tomcat7-instance-create as that user to create a Tomcat instance.

        4. Configure it and install the web application(s) you want to run with it. Test them using its bin/startup.sh and bin/shutdown.sh scripts.

        5. Move the logs to /var/log/$NAME and symlink them back to logs/ of the new Tomcat instance.

        6. Write /etc/init.d/$NAME, e.g. by copying and modifying /etc/init.d/tomcat7 and modifying the assignment to $NAME. (It would be nicer if you didn't need to copy the whole script but could just create a link to it.)

        7. Write /etc/default/$NAME to point at your Tomcat instance and user.

        8. Use upstart-rc.d to install the new service.


        I gleaned some of the details from Kodjo-Kuma Djomeda.






        share|improve this answer






























          2














          I am setting this up on Ubuntu 14.04.3 LTS.
          I am using the Tomcat 7 provided by the tomcat7 package.



          It installs Tomcat as a system service by providing a standard init script:



          /etc/init.d/tomcat7


          and configuration file:



          /etc/default/tomcat7


          Tomcat supports running multiple instances with the same server software.
          The server software is located in $CATALINA_HOME, the files for the instance are located in $CATALINA_BASE. They are defined as follows in /etc/init.d/tomcat7:



          NAME=tomcat7
          CATALINA_HOME=/usr/share/$NAME
          CATALINA_BASE=/var/lib/$NAME


          (Caveat: when editing files in the latter, be aware that it has some symlinks into the former.)



          The tomcat7-user package provides the utility tomcat7-instance-create that can be used to create a directory tree for an additional Tomcat instance, including a bin/ directory with scripts for starting and stopping the instance manually.



          What I haven't found is support for turning such an additional instance into a system service. Therefore, it must be done manually, e.g. as follows:




          1. Pick a value for the service name; it will be $NAME in the new init script.

          2. Create a new user with that name that will own the files for the Tomcat instance and as which Tomcat will run. It can be a system user, its properties should be the same as for the tomcat7 user.

          3. Run tomcat7-instance-create as that user to create a Tomcat instance.

          4. Configure it and install the web application(s) you want to run with it. Test them using its bin/startup.sh and bin/shutdown.sh scripts.

          5. Move the logs to /var/log/$NAME and symlink them back to logs/ of the new Tomcat instance.

          6. Write /etc/init.d/$NAME, e.g. by copying and modifying /etc/init.d/tomcat7 and modifying the assignment to $NAME. (It would be nicer if you didn't need to copy the whole script but could just create a link to it.)

          7. Write /etc/default/$NAME to point at your Tomcat instance and user.

          8. Use upstart-rc.d to install the new service.


          I gleaned some of the details from Kodjo-Kuma Djomeda.






          share|improve this answer




























            2












            2








            2







            I am setting this up on Ubuntu 14.04.3 LTS.
            I am using the Tomcat 7 provided by the tomcat7 package.



            It installs Tomcat as a system service by providing a standard init script:



            /etc/init.d/tomcat7


            and configuration file:



            /etc/default/tomcat7


            Tomcat supports running multiple instances with the same server software.
            The server software is located in $CATALINA_HOME, the files for the instance are located in $CATALINA_BASE. They are defined as follows in /etc/init.d/tomcat7:



            NAME=tomcat7
            CATALINA_HOME=/usr/share/$NAME
            CATALINA_BASE=/var/lib/$NAME


            (Caveat: when editing files in the latter, be aware that it has some symlinks into the former.)



            The tomcat7-user package provides the utility tomcat7-instance-create that can be used to create a directory tree for an additional Tomcat instance, including a bin/ directory with scripts for starting and stopping the instance manually.



            What I haven't found is support for turning such an additional instance into a system service. Therefore, it must be done manually, e.g. as follows:




            1. Pick a value for the service name; it will be $NAME in the new init script.

            2. Create a new user with that name that will own the files for the Tomcat instance and as which Tomcat will run. It can be a system user, its properties should be the same as for the tomcat7 user.

            3. Run tomcat7-instance-create as that user to create a Tomcat instance.

            4. Configure it and install the web application(s) you want to run with it. Test them using its bin/startup.sh and bin/shutdown.sh scripts.

            5. Move the logs to /var/log/$NAME and symlink them back to logs/ of the new Tomcat instance.

            6. Write /etc/init.d/$NAME, e.g. by copying and modifying /etc/init.d/tomcat7 and modifying the assignment to $NAME. (It would be nicer if you didn't need to copy the whole script but could just create a link to it.)

            7. Write /etc/default/$NAME to point at your Tomcat instance and user.

            8. Use upstart-rc.d to install the new service.


            I gleaned some of the details from Kodjo-Kuma Djomeda.






            share|improve this answer















            I am setting this up on Ubuntu 14.04.3 LTS.
            I am using the Tomcat 7 provided by the tomcat7 package.



            It installs Tomcat as a system service by providing a standard init script:



            /etc/init.d/tomcat7


            and configuration file:



            /etc/default/tomcat7


            Tomcat supports running multiple instances with the same server software.
            The server software is located in $CATALINA_HOME, the files for the instance are located in $CATALINA_BASE. They are defined as follows in /etc/init.d/tomcat7:



            NAME=tomcat7
            CATALINA_HOME=/usr/share/$NAME
            CATALINA_BASE=/var/lib/$NAME


            (Caveat: when editing files in the latter, be aware that it has some symlinks into the former.)



            The tomcat7-user package provides the utility tomcat7-instance-create that can be used to create a directory tree for an additional Tomcat instance, including a bin/ directory with scripts for starting and stopping the instance manually.



            What I haven't found is support for turning such an additional instance into a system service. Therefore, it must be done manually, e.g. as follows:




            1. Pick a value for the service name; it will be $NAME in the new init script.

            2. Create a new user with that name that will own the files for the Tomcat instance and as which Tomcat will run. It can be a system user, its properties should be the same as for the tomcat7 user.

            3. Run tomcat7-instance-create as that user to create a Tomcat instance.

            4. Configure it and install the web application(s) you want to run with it. Test them using its bin/startup.sh and bin/shutdown.sh scripts.

            5. Move the logs to /var/log/$NAME and symlink them back to logs/ of the new Tomcat instance.

            6. Write /etc/init.d/$NAME, e.g. by copying and modifying /etc/init.d/tomcat7 and modifying the assignment to $NAME. (It would be nicer if you didn't need to copy the whole script but could just create a link to it.)

            7. Write /etc/default/$NAME to point at your Tomcat instance and user.

            8. Use upstart-rc.d to install the new service.


            I gleaned some of the details from Kodjo-Kuma Djomeda.







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Sep 17 '16 at 20:06

























            answered Feb 5 '16 at 11:08









            Reinier PostReinier Post

            15113




            15113

























                3














                Have you considered configuring several webapps directories instead of running multiple tomcat instances?



                Of course there are cases where you really need multiple instances but in case of serving same application separately for multiple hosts, you may do it by adding multiple declarations in server.xml:



                  <Host name="host1.example.com" appBase="host1"
                unpackWARs="true" autoDeploy="true"
                xmlValidation="false" xmlNamespaceAware="false" />

                <Host name="host2.example.com" appBase="host2"
                unpackWARs="true" autoDeploy="true"
                xmlValidation="false" xmlNamespaceAware="false" />


                Now you may create "/var/lib/tomcat6/host1" and "/var/lib/tomcat6/host2" directories and deploy WAR files to them.






                share|improve this answer




























                  3














                  Have you considered configuring several webapps directories instead of running multiple tomcat instances?



                  Of course there are cases where you really need multiple instances but in case of serving same application separately for multiple hosts, you may do it by adding multiple declarations in server.xml:



                    <Host name="host1.example.com" appBase="host1"
                  unpackWARs="true" autoDeploy="true"
                  xmlValidation="false" xmlNamespaceAware="false" />

                  <Host name="host2.example.com" appBase="host2"
                  unpackWARs="true" autoDeploy="true"
                  xmlValidation="false" xmlNamespaceAware="false" />


                  Now you may create "/var/lib/tomcat6/host1" and "/var/lib/tomcat6/host2" directories and deploy WAR files to them.






                  share|improve this answer


























                    3












                    3








                    3







                    Have you considered configuring several webapps directories instead of running multiple tomcat instances?



                    Of course there are cases where you really need multiple instances but in case of serving same application separately for multiple hosts, you may do it by adding multiple declarations in server.xml:



                      <Host name="host1.example.com" appBase="host1"
                    unpackWARs="true" autoDeploy="true"
                    xmlValidation="false" xmlNamespaceAware="false" />

                    <Host name="host2.example.com" appBase="host2"
                    unpackWARs="true" autoDeploy="true"
                    xmlValidation="false" xmlNamespaceAware="false" />


                    Now you may create "/var/lib/tomcat6/host1" and "/var/lib/tomcat6/host2" directories and deploy WAR files to them.






                    share|improve this answer













                    Have you considered configuring several webapps directories instead of running multiple tomcat instances?



                    Of course there are cases where you really need multiple instances but in case of serving same application separately for multiple hosts, you may do it by adding multiple declarations in server.xml:



                      <Host name="host1.example.com" appBase="host1"
                    unpackWARs="true" autoDeploy="true"
                    xmlValidation="false" xmlNamespaceAware="false" />

                    <Host name="host2.example.com" appBase="host2"
                    unpackWARs="true" autoDeploy="true"
                    xmlValidation="false" xmlNamespaceAware="false" />


                    Now you may create "/var/lib/tomcat6/host1" and "/var/lib/tomcat6/host2" directories and deploy WAR files to them.







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered May 13 '11 at 10:53









                    Vilmantas BaranauskasVilmantas Baranauskas

                    943614




                    943614























                        0














                        I did the following:



                        run the following command with the dir where tomcat should be created:



                        tomcat8-instance-create staging


                        than changed the ports to something unique (if you have other tomcat8 running:



                        nano conf/server.xml


                        i use the same user as the original tomcat8 so i make sure all files are owned by tomcat8



                        chown -R tomcat8:tomcat8 * 


                        i copied the script tomcat8 script in /etc/init.d/



                        cp /etc/init.d/tomcat8 /etc/init.d/tomcat8_staging


                        and edited the script to make it work with my new staging env:



                        nano /etc/init.d/tomcat8_staging


                        i had to edit the following lines to:



                        NAME=tomcat8_staging
                        DEFAULT=/etc/default/tomcat8
                        CATALINA_BASE=/app/tomcat8/staging
                        CATALINA_HOME=/usr/share/tomcat8


                        and finally i enabled the server like this:



                        systemctl enable tomcat8_staging


                        when starting it with:



                        service tomcat8_staging start


                        i got an error about missing policy files so i created a link for that in the conf dir:



                        ln -s /etc/tomcat8/policy.d policy.d





                        share|improve this answer




























                          0














                          I did the following:



                          run the following command with the dir where tomcat should be created:



                          tomcat8-instance-create staging


                          than changed the ports to something unique (if you have other tomcat8 running:



                          nano conf/server.xml


                          i use the same user as the original tomcat8 so i make sure all files are owned by tomcat8



                          chown -R tomcat8:tomcat8 * 


                          i copied the script tomcat8 script in /etc/init.d/



                          cp /etc/init.d/tomcat8 /etc/init.d/tomcat8_staging


                          and edited the script to make it work with my new staging env:



                          nano /etc/init.d/tomcat8_staging


                          i had to edit the following lines to:



                          NAME=tomcat8_staging
                          DEFAULT=/etc/default/tomcat8
                          CATALINA_BASE=/app/tomcat8/staging
                          CATALINA_HOME=/usr/share/tomcat8


                          and finally i enabled the server like this:



                          systemctl enable tomcat8_staging


                          when starting it with:



                          service tomcat8_staging start


                          i got an error about missing policy files so i created a link for that in the conf dir:



                          ln -s /etc/tomcat8/policy.d policy.d





                          share|improve this answer


























                            0












                            0








                            0







                            I did the following:



                            run the following command with the dir where tomcat should be created:



                            tomcat8-instance-create staging


                            than changed the ports to something unique (if you have other tomcat8 running:



                            nano conf/server.xml


                            i use the same user as the original tomcat8 so i make sure all files are owned by tomcat8



                            chown -R tomcat8:tomcat8 * 


                            i copied the script tomcat8 script in /etc/init.d/



                            cp /etc/init.d/tomcat8 /etc/init.d/tomcat8_staging


                            and edited the script to make it work with my new staging env:



                            nano /etc/init.d/tomcat8_staging


                            i had to edit the following lines to:



                            NAME=tomcat8_staging
                            DEFAULT=/etc/default/tomcat8
                            CATALINA_BASE=/app/tomcat8/staging
                            CATALINA_HOME=/usr/share/tomcat8


                            and finally i enabled the server like this:



                            systemctl enable tomcat8_staging


                            when starting it with:



                            service tomcat8_staging start


                            i got an error about missing policy files so i created a link for that in the conf dir:



                            ln -s /etc/tomcat8/policy.d policy.d





                            share|improve this answer













                            I did the following:



                            run the following command with the dir where tomcat should be created:



                            tomcat8-instance-create staging


                            than changed the ports to something unique (if you have other tomcat8 running:



                            nano conf/server.xml


                            i use the same user as the original tomcat8 so i make sure all files are owned by tomcat8



                            chown -R tomcat8:tomcat8 * 


                            i copied the script tomcat8 script in /etc/init.d/



                            cp /etc/init.d/tomcat8 /etc/init.d/tomcat8_staging


                            and edited the script to make it work with my new staging env:



                            nano /etc/init.d/tomcat8_staging


                            i had to edit the following lines to:



                            NAME=tomcat8_staging
                            DEFAULT=/etc/default/tomcat8
                            CATALINA_BASE=/app/tomcat8/staging
                            CATALINA_HOME=/usr/share/tomcat8


                            and finally i enabled the server like this:



                            systemctl enable tomcat8_staging


                            when starting it with:



                            service tomcat8_staging start


                            i got an error about missing policy files so i created a link for that in the conf dir:



                            ln -s /etc/tomcat8/policy.d policy.d






                            share|improve this answer












                            share|improve this answer



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                            answered Jan 9 at 16:14









                            tibitibi

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