How to view Tomcat logs

Viewing steps: 1. Find the Tomcat log folder; 2. Use a text editor to view the log; 3. View the log on the command line; 4. Use the Tomcat management interface. Detailed introduction: 1. Find Tomcat’s log folder: usually located in the logs folder under its installation directory. Common log files include catalina.out, catalina.log, localhost.log, host-manager.log, etc.; 2. Use a text editor to view logs, etc.

Operating system for this tutorial: Windows 10 system, Dell G3 computer.

To view Tomcat’s logs, you can follow the steps below:

1. Find the Tomcat log folder:

Tomcat’s logs are usually located in the logs folder under its installation directory. Common log files include catalina.out, catalina.log, localhost.log, host-manager.log, manager.log, etc.

2, Use a text editor to view the logs:

You can use a text editor to open these log files, For example, use vi, nano, gedit or notepad, etc. These log files will record Tomcat startup information, error logs, application logs, etc.

3. View logs from the command line (for Unix/Linux systems):

If you are on Unix or Linux On your system, you can also use command line tools to view the log files. For example, use the tail command to view the latest log information:

tail -f logs/catalina.out

This will display the end content of the catalina.out file in real time, allowing you to view the latest Tomcat logs.

4. Use the Tomcat management interface:

If you have Tomcat management rights, you can also manage it through Tomcat interface to view some log information. You can usually enter http://localhost:8080/manager in a web browser to enter the Tomcat management interface (the specific URL may vary depending on the configuration). On the management interface, you can view logs for certain applications.

By viewing these log files, you can obtain Tomcat's running status, error information, and application logs, which can help diagnose and solve problems.

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