How to check the version of tomcat

How to check the version of tomcat: 1. Check through the Log log; 2. Check through the version number file in the Tomcat bin directory; 3. Check through the command line; 4. Check through the Tomcat management interface; 5. By decompressing View the Tomcat JAR package. Detailed introduction: 1. View through the Log log, find the localhost.log file in the logs folder in the Tomcat installation directory, use a text editor to open the file, use Ctrl F to find Tomcat keywords, etc.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

There are many ways to check the Tomcat version number. Here are some commonly used methods:

Method 1: Check through the Log log

Find the localhost.log file in the logs folder in the Tomcat installation directory, and use a text editor to open the file. Use Ctrl F to search for the Tomcat keyword and locate the version information location to view the Tomcat version number. For example, information similar to "Server version: Apache Tomcat/8.5.61" will appear in the localhost.log file content, where the version number is 8.5.61.

Method 2: View the version number file in the Tomcat bin directory

The bin folder in the Tomcat installation directory contains a version.sh (version. bat) file, through which you can view the Tomcat version number. Use a text editor to open the file and find the VERSION variable to view the Tomcat version number. For example: VERSION="8.5.61".

Method 3: View through the command line

Enter the Tomcat bin directory and execute the following command: Windows: catalina.bat version; Linux, Solaris: ./catalina. sh version. Tomcat version number information can be obtained, such as "Server version: Apache Tomcat/8.5.61".

Method 4: View through the Tomcat management interface

The management interface of the Tomcat server is a relatively common management tool, through which deployment, management, etc. can be performed operate. One of the basic information is checking the Tomcat version number. Just follow the steps below:

• Start the Tomcat server and enter the Tomcat management page;

• Find "Server Status" in the left navigation bar "This option, click to enter the Server Status page;

• In the Server Status page, you can see some basic information about the current Tomcat server, including the version number of Tomcat;

• Just check its version number.

It is worth noting that some Tomcat management interfaces may hide this information. Therefore, if the version information cannot be found, you can check it by the next method.

Method 5: Check by decompressing the Tomcat JAR package

• Open the lib folder under the Tomcat installation path and find catalina.jar;

• Open the file with a decompression tool, find the MANIFEST.MF file and open it to see the Tomcat version number.

The above are several common ways to check the Tomcat version number. Just choose the method that suits you according to the actual situation.

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