How does Tomcat 7 deploy WAR files automatically?

Deploying a WAR File in Tomcat 7

You've successfully copied the sample.war file into Tomcat's webapps directory and accessed localhost:8080. Now, the question arises: how does Tomcat deploy the application?

Automatic Deployment

Tomcat deploys WAR files automatically when copied into the webapps directory. By default, after you overwrite sample.war, you should observe an extracted folder named "sample" within the webapps folder. This indicates that the deployment process has commenced.

Accessing the Application

To access your deployed application, simply navigate to http://localhost:8080/sample in your browser. If it fails to open properly, check Tomcat's log files (e.g., tomcat/logs/catalina.out) for any deployment issues.

Troubleshooting

In case of deployment problems, inspect the log files to identify potential errors. Common issues include configuration mistakes, database connectivity errors, or missing libraries in the WAR file. Ensure your application meets all the necessary prerequisites and adheres to proper coding conventions to avoid deployment issues.

By following these steps, you can seamlessly deploy WAR files in Tomcat 7 and access your applications from localhost:8080.

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