I'm trying to implement a Tomcat local server, but whenever the method init() of a servlet gets called it all crashes, giving me this page.
Here's the method that causes the crash:
'''
public void init() throws ServletException {
connection = ConnectionHandler.getConnection(getServletContext());
ServletContext servletContext = getServletContext();
ServletContextTemplateResolver templateResolver = new
ServletContextTemplateResolver(servletContext);
templateResolver.setTemplateMode(TemplateMode.HTML);
this.templateEngine = new TemplateEngine();
this.templateEngine.setTemplateResolver(templateResolver);
templateResolver.setSuffix(".html");
}
'''
The line that crashes is the ServletContextTemplateResolver constructor . The index.html class that calls that method:
'''
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="ISO-8859-1">
<title>Login page</title>
</head>
<body>
<h1>Welcome!</h1>
<form action="CheckLogin" method="POST">
Username: <input type="text" name="username" required> <br>
Password: <input type="password" name="password" required><br>
<input type="submit" value="login">
<p th:text=" ${errorMsg}"></p>
</form>
<form action="SignUp" method="POST">
Username: <input type="text" name="newusername" required> <br>
Password: <input type="password" name="newpassword" required><br>
Name: <input type="text" name="name" required> <br>
Surname: <input type="text" name="surname" required><br>
<input type="submit" value="sign up">
</form>
</body>
</html>
'''
Here's the pom:
'''
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>it.polimi.tiw</groupId>
<artifactId>ProgettoTIW</artifactId>
<version>1.0-SNAPSHOT</version>
<name>ProgettoTIW</name>
<packaging>war</packaging>
<properties>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.source>1.8</maven.compiler.source>
<junit.version>5.7.1</junit.version>
</properties>
<dependencies>
<!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-compiler-plugin -->
<dependency>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-war-plugin -->
<dependency>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>3.3.1</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.11</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/jakarta.persistence/jakarta.persistence-api -->
<dependency>
<groupId>jakarta.persistence</groupId>
<artifactId>jakarta.persistence-api</artifactId>
<version>3.0.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.thymeleaf/thymeleaf -->
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf</artifactId>
<version>3.0.11.RELEASE</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/jakarta.ejb/jakarta.ejb-api -->
<dependency>
<groupId>jakarta.ejb</groupId>
<artifactId>jakarta.ejb-api</artifactId>
<version>4.0.0-RC2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-catalina -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-web-api</artifactId>
<version>8.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>3.3.1</version>
</plugin>
</plugins>
</build>
</project>
'''
From what I've understood I miss a thymeleaf dependency that requires slf4j, but I can't find it. I hope I've inserted everything that's needed to figure out what's wrong.
