How to Install and Configure Apache Tomcat 9 in CentOS

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Ravi Saive

I am Ravi Saive, creator of TecMint. A Computer Geek and Linux Guru who loves to share tricks and tips on Internet. Most Of My Servers runs on Open Source Platform called Linux. Follow Me: Twitter, Facebook and Google+

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33 Responses

  1. jayaram says:

    I have installed tomcat, can you explain how to configure the web servers?

  2. Sarah says:

    Hi! I have made up to the point of opening tomcat with http://myipaddress:8080 and both the IP and domain options are not opening tomcat from putty.

    • Ravi Saive says:


      Please open the port 8080 of Tomcat on the firewall to access from the public network. Also let me know how you accessing the URL’s? and what error you getting?

      • Sarah says:


        I have tried in Microsoft Edge, which is telling me “Hmmm…can’t reach this page” and on Firefox which is telling me “the server is taking too long to respond

        I’m very new to this, can you briefly tell me how to open the port on the firewall?

        Thank you.

        • Ravi Saive says:


          First try to access the Tomcat page from the server terminal itself at:

          # yum install links
          # links http://localhost:8080

          If it’s accessible from the localhost, you should open a port on firewall and allow Tomcat access from public IP.

  3. Martin Schaible says:

    I removed MC, but it wasn’t the reason.
    It is really strange, that no errors where generated, only a zero byte length log file “catalina.out” was generated.

    • Ravi Saive says:


      Thanks for your efforts, let’s give a final try by creating a systemd unit file, with this you can start, stop and enable the tomcat service..

      Create and open the unit file by running this command:

      # vi /etc/systemd/system/tomcat.service

      Paste in the following script. Make sure to modify the memory allocation and path to tomcat installation settings that are specified in CATALINA_OPTS, CATALINA_HOME and CATALINA_PID:

      # Systemd unit file for tomcat
      Description=Apache Tomcat Web Application Container
      Environment='CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC'
      ExecStop=/bin/kill -15 $MAINPID

      Save and exit. This script tells the server to run the Tomcat service as the tomcat user, with the settings specified.

      Now reload Systemd to load the Tomcat unit file and start & enable the service.

      # systemctl daemon-reload
      # systemctl start tomcat
      # systemctl enable tomcat
  4. Martin Schaible says:

    Thanks for this helpful tutorial. I used this article with other sources of information to get a clean installation.

    In my case Tomcat does not start, if i execute “./” which goes to “ start“. Only an empty log file “catalina.out” was generated.
    If i run “./ run“, tomcat starts and works. In this case, Tomcat runs in the current window.

    Now something weird: If the “Midnight Commander” is active and i run “./“, it works!

    Looks kind of a shell problem.

    I’m really stuck, any idea where to look?


    • Ravi Saive says:


      This is something really weird thing, I came across, have you tried on different terminal shell?

      • Martin Schaible says:

        I have a standard CentOS 7 installation like others have. i’m not really sure, if it a good idea to change the shell systemwide. Keep in mind, that tomcat behaves the same, if i try to start the service instead on the command prompt.

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