Detailed steps for configuring Tomcat server in IDEA 2020

The steps for configuring Tomcat in IDEA 2020 are as follows:

The first step is to download Tomcat

Official website link: http://tomcat.apache.org/
Select download, find the version you want, and download the corresponding version of Tomcat.

As in my previous article, I still recommend downloading the free installation compressed package.

There are two formats: zip and exe. Zip (64-bit Windows zip (pgp, md5, sha1)) is the installation-free version, and exe (32-bit/64-bit Windows Service installer (pgp, md5, sha1)) is the installation version. At the same time, check whether your computer is a 64-bit system or a 32-bit system.

Choose to download the zip version here;

Step 2: Experience Tomcat

After downloading the compressed package and decompressing it to the specified path, there are several bat files in the bin directory.
startup.bat: Click to start Tomcat;
shutdown.bat: shuts down Tomcat.

Here we click startup.bat to start Tomcat
After starting Tomcat, a terminal window will appear. Do not close it. Open the browser and type http://localhost:8080. If you enter the following page, the installation is successful:

Step 3: Tomcat environment variable configuration

Right click This PC -> Properties -> Advanced system settings -> Environment variables

Add system variables CATALINA_BASE and CATALINA_HOME in "System Variables";

Variable name: CATALINA_BASE

Variable value: E:\JavaTools\apache-tomcat-9.0.37-windows-x64\apache-tomcat-9.0.37 //Tomcat installation directory

Add system variables in "System variables", CATALINA_HOME;

Variable name: CATALINA_HOME

Variable value: E:\JavaTools\apache-tomcat-9.0.37-windows-x64\apache-tomcat-9.0.37 //Tomcat installation directory

Modify the variable values ​​of ClassPath and Path.

Variable name: CLASSPATH

Variable value: %CATALINA_HOME%\lib\servlet-api.jar; (Note that you should add “;” after the original variable value)

Modify the variable value of Path. After clicking path, click New on the right and add the following two variables.

Variable name: Path
Variable value: %CATALINA_HOME%\bin (note that you need to add “;” after the original variable value when adding it)

Variable name: Path
Variable value: %CATALINA_HOME%\lib (note that you need to add “;” after the original variable value)

This needs to be verified.

Click "Start"->"Run", type "cmd" (or the shortcut key win+R); type the command: startup, and the following message will appear, indicating that the environment variable configuration is successful;

Step 4: Configure Tomcat in IDEA 2020

Click Run-Edit Configurations…

Click the "+" on the left and select Tomcat Server-Local (there is a mistake here, it should be Tomcat, I selected TomEE instead),

Under Tomcat Server -> Unnamed -> Server -> Application server project, click Configuration, find the local Tomcat server, and then click the OK button. (There is a mistake here. I should have chosen Tomcat but I chose TomEE)

At this point, IntelliJ IDEA has completed configuring Tomcat.

Step 5: Compile, package and deploy locally

Note: To complete this step, you need to create a Maven webAPP project in advance, see another article

Directly enter mvn install in the Terminal terminal at the bottom left of idea.
The compilation and packaging are successful, and BUILD SUCCESS is displayed.
Checking the project directory again, we found that there is a target directory under the project root directory, and a war package is also generated in this directory.

Enter the deployment interface again

In Deployment, click + and select the project to deploy.

Select TestDemo.war as the deployment package here. (There is a mistake here. I should have chosen Tomcat but I chose TomEE)

Fill in the access path (usually the project name, which will be synchronized to the localhost of the server tab after entering), and click OK

In the main interface, you can see the deployed project in Application Servers

Click the green triangle on the left to run the Tomcat server (there is a mistake here. I should choose Tomcat but I chose TomEE)

Click and the following will be displayed:

This is the end of this article about the detailed steps of configuring Tomcat server in IDEA 2020. For more relevant content about configuring Tomcat in IDEA 2020, please search for previous articles on 123WORDPRESS.COM or continue to browse the related articles below. I hope you will support 123WORDPRESS.COM in the future!