Software⏱️ 4 min read📅 2026-06-19

How to Fix: Tomcat startup failure with no error output in log that I can find

Tomcat startup failure with no error output in log that can be found.

Quick Answer: Try running the Tomcat server as a non-root user and check the permissions on the Tomcat installation directory.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. ✅ Best Solutions to Fix It
  3. 💡 Conclusion

Tomcat startup failure with no error output in log can be frustrating for anyone who has set up Tomcat on their Ubuntu VPS. This issue affects users who have recently changed the group owning /etc/tomcat7 to tomcat7 and called 'sudo service tomcat7 restart'. The problem is that after this change, subsequent installations of Tomcat 7 or 8 fail to serve pages, even with no webapps deployed.

This issue can be frustrating because it seems like nothing is wrong with the installation process, but the server simply won't start. However, by following these steps, you should be able to identify and fix the problem.

💡 Why You Are Getting This Error

  • The first main reason why this error happens in detail is that the change of group ownership for /etc/tomcat7 can cause issues with the Tomcat startup process. When the group ownership changes, it can affect the way Tomcat starts and runs, leading to a failure to start the server. Additionally, the use of 'sudo service tomcat7 restart' instead of 'sudo service tomcat7 stop' and 'sudo service tomcat7 start' can also cause issues with the startup process.
  • Another alternative reason for this error is that there may be an issue with the environment variables set for Tomcat. If the environment variables, such as $CATALINA_HOME and $JAVA_HOME, are not correctly set, it can affect the way Tomcat starts and runs.

✅ Best Solutions to Fix It

Check group ownership and permissions

  1. Step 1: Run the command 'ls -l /etc/tomcat7' to check the current group ownership of /etc/tomcat7. This will help identify if the issue is related to the change in group ownership.
  2. Step 2: Check the permissions for the /etc/tomcat7 directory using the command 'ls -l /etc/tomcat7'. Make sure that the tomcat7 user has read, write, and execute permissions for this directory.
  3. Step 3: Run the command 'sudo chown -R tomcat7:tomcat7 /etc/tomcat7' to change the group ownership of /etc/tomcat7 back to tomcat7. This should resolve any issues caused by the previous change in group ownership.

Check environment variables

  1. Step 1: Set $CATALINA_HOME and $JAVA_HOME in your environment using the command 'export CATALINA_HOME=/path/to/tomcat7' and 'export JAVA_HOME=/path/to/java'. Replace '/path/to/tomcat7' with the actual path to the Tomcat 7 installation directory.
  2. Step 2: Run the command '$CATALINA_HOME/bin/startup.sh' as a non-root user to see if it starts successfully. If it does, then the issue is likely related to the group ownership or permissions.

💡 Conclusion

By following these steps, you should be able to identify and fix the problem with Tomcat startup failure on your Ubuntu VPS. Remember to check the group ownership and permissions for /etc/tomcat7, and ensure that the environment variables are correctly set for Tomcat.

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