How to Start Tomcat Server ?
Tomcat is a free and open-source web server. It was developed at Sun Microsystems (an American technology company, currently acquired by Oracle). Tomcat is the implementation of Java EE (Java Enterprise Edition) in the newer version of Jakarta Package (Jakarta EE). It supports Jakarta Servlet, Jakarta Server Page, Jakarta Expression Languages, Jakarta WebSockets, etc. It provides a “JAVA HTTP” web server.
History About Tomact
- Tomcat is a lightweight Java application server initially developed by Sun Microsystems in 1998. It was handled by the Apache Software Foundation in 1999.
- The latest version of Apache Tomcat is the Tomcat 9 version.
How to Install Apache Tomcat and Setup the Environment
Pre-requisite:
Steps To Start Tomcat Server In Windows
Step 1: First, you have to download the Windows Service Installer from their official website using the Windows Tomcat Binary Distribution.
Step 2: In the Screen we can see
Step 3: You need to click on next button.
Step 4: Then agreed for installation.
Step 5: Then next -> next-> Finish.
Step 6: Now Your server is running on port “http://localhost/8080″.
Restart or Running of Tomact Server
If you want to stop the server then you need to go to the folder name “Program Files” like in my system “C:\Program Files\Apache Software Foundation” >> “C:\Program Files\Apache Software Foundation\Tomcat 9.0\bin”.
Step 1: Then go inside bin folder
Step 2: Right click on Tomcat9w and then click on stop and similar you can again re-start from here.
How to install Tomcat Server on Linux
Step 1: Install Java (if not already installed)
sudo apt update
Step 2: Install the default JDK (Java Development Kit)
sudo apt install default-jdk
Step 3: Verify the Java installation
java -version
Setting up a Tomcat User
Step 1: Create a new user
sudo useradd -r -m -U -d /opt/tomcat -s /bin/false tomcat
Step 2: Downloading the Tomcat package
wget -c https://downloads.apache.org/tomcat/tomcat-9/v9.0.87/bin/apache-tomcat-9.0.87.tar.gz
Step 3: After the downloading extract the file
sudo tar xf apache-tomcat-9.0.87.tar.gz -C /opt/tomcat
Step 4: Change directory
cd /opt/tomcat
ls -ls
Steps To Change The Bin Directory
Step 1: Change to root user
sudo su
Step 2: Change directory
cd /opt/tomcat/apache-tomcat-9.0.87/bin/
Step 3: Start Tomcat using either of the following commands
sh startup.sh
OR
./startup.sh
Step 4: Open browser, now server is running on
http://localhost:8080/
Step 5: For stop running server
./shutdown.sh
Advantages Of Apache Tomcat
- Free and Open-Source.
- Easy to Use and Install.
- Supports Multiple Platforms: Tomcat runs on various operating systems, including Windows, Linux, and macOS.
Disadvantages Of Apache Tomcat
- Slower Performance Under Heavy Load: When the server experiences high traffic, Tomcat’s performance may slow down.
- Limited Technical Support: The availability of technical support for Tomcat is limited compared to commercial alternatives.
Applications
- Web Hosting for Java Applications:
- Tomcat is widely used for hosting Java-based applications on the web.
- It implements the Java Servlet and JavaServer Pages (JSP) specifications.
- Embedded Servers:
- Tomcat can be embedded within other applications or services.
- Developers often use it as an embedded servlet container for lightweight deployments.
- Commonly used for enterprise applications involving:
- Java Expression Language
- Java Servlet
- Java WebSockets
- Java Server Pages2
- Web Applications Deployment:
- Each web application comprises resources such as HTML with Java code, Server Pages, Java Servlets, libraries, and other items required to execute the program.
- These web applications are stored in Tomcat’s “webapps” directory as folders or WAR (Web Application Archive) files
Start Tomcat Server – FAQ’s
What is a connector in Apache Tomcat?
A connector in Apache Tomcat is a component that enables communication between the web server and clients, Handling incoming requests and sending responses. It bridges various protocols like HTTP.
How do I start my tomcat server?
To start your Tomcat server, navigate to the Tomcat installation directory and run the command
./bin/startup.sh
.
How to run Tomcat server using Java?
You can run Tomcat server programmatically in Java by instantiating
org.apache.catalina.startup.Tomcat
and calling itsstart()
method.
How do I restart Tomcat server in Linux?
You can restart the Tomcat server in Linux by running the command
sudo systemctl restart tomcat
. Alternatively, you can useservice tomcat restart
.
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