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The ServidorTiendaPlayeras backend is a Jakarta EE 10 WAR artifact built with Maven. It exposes a single servlet — ProductoServlet — at /ServidorTiendaPlayeras/ProductoServlet that handles all product CRUD and sell operations via HTTP. Follow the steps below to create the database, build the WAR, and get it running on Apache Tomcat.
Conexion.java hardcodes the database credentials as user root with an empty password. This matches the XAMPP default and is suitable for local development only. Before deploying to any shared or production environment, update URL, USER, and PASSWORD in Conexion.java to use a dedicated database user with a strong password.
1

Create the database

Start your MySQL server (via XAMPP Control Panel or your system service manager), then run the following SQL to create the database and the productos table:
CREATE DATABASE IF NOT EXISTS tienda_playeras;
USE tienda_playeras;

CREATE TABLE IF NOT EXISTS productos (
    id     INT AUTO_INCREMENT PRIMARY KEY,
    nombre VARCHAR(100)   NOT NULL,
    talla  VARCHAR(10)    NOT NULL,
    precio DECIMAL(10,2)  NOT NULL,
    stock  INT            NOT NULL DEFAULT 0
);
You can execute this in the XAMPP phpMyAdmin interface, MySQL Workbench, or directly from the MySQL CLI:
mysql -u root < schema.sql
2

Build the WAR

Navigate to the ServidorTiendaPlayeras directory and run the Maven build:
cd ServidorTiendaPlayeras
mvn clean package
Maven will compile the sources with Java 17, package the Jakarta EE 10 WAR, and bundle the mysql-connector-j:8.3.0 and gson:2.10.1 runtime dependencies. The finished artifact is placed at:
target/ServidorTiendaPlayeras-1.0-SNAPSHOT.war
3

Deploy to Tomcat

Copy the WAR file into Tomcat’s webapps/ directory:
cp target/ServidorTiendaPlayeras-1.0-SNAPSHOT.war /path/to/tomcat/webapps/
Tomcat will detect the new WAR and auto-deploy it. The context.xml sets the context path to /ServidorTiendaPlayeras, so the application root becomes:
http://localhost:8080/ServidorTiendaPlayeras/
If Tomcat is not already running, start it with:
# Linux / macOS
/path/to/tomcat/bin/startup.sh

# Windows
\path\to\tomcat\bin\startup.bat
4

Verify deployment

Once Tomcat has deployed the WAR, verify the servlet is responding by making a GET request to the ProductoServlet endpoint. With an empty database it should return an empty JSON array.
curl http://localhost:8080/ServidorTiendaPlayeras/ProductoServlet
Expected response:
[]
A 404 response means the WAR was not deployed correctly — check the Tomcat logs/catalina.out file for errors. A database connection error usually means MySQL is not running or the credentials in Conexion.java do not match your setup.

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