No earring

[Oba22]

Established the project maven webapping In the console, Write the bond. pom.xml

<dependency>      
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>

description of the servitude in the web.xml

<servlet>
<servlet-name>Servlet</servlet-name>
</servlet>
<servlet-mapping>

<servlet-name>Servlet</servlet-mapping>

<url-pattern>/<url-pattern>

</servlet-mapping>

The earring itself.

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.io.PrintWriter;

public class Servlet extends HttpServlet {
protected void doGet(HttpServletRequest req, HttpServletResponse resp)

throws ServletException, IOException {
PrintWriter pw = resp.getWriter();
pw.println("<h1> Hello Servlets!!!</h1>"); 

}
}

Project mvn clean packageI poured it. tomcat Daddy. webapps

I'm going to the browser. localhost:8080/webApp/ On the way out.

---

This is the structure of my project after the assembly.
I'm doing everything from the console to figure out where and where... ♪ ♪

[Raziyah00]

Here's the code of the simple test grilled.

pom.xml:

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
&lt;groupId&gt;org.example&lt;/groupId&gt;
&lt;artifactId&gt;servlet&lt;/artifactId&gt;
&lt;version&gt;1.0.0-SNAPSHOT&lt;/version&gt;
&lt;packaging&gt;war&lt;/packaging&gt;

&lt;dependencies&gt;
    &lt;dependency&gt;
        &lt;groupId&gt;javax.servlet&lt;/groupId&gt;
        &lt;artifactId&gt;javax.servlet-api&lt;/artifactId&gt;
        &lt;version&gt;3.1.0&lt;/version&gt;
        &lt;scope&gt;provided&lt;/scope&gt;
    &lt;/dependency&gt;
&lt;/dependencies&gt;

&lt;build&gt;
    &lt;finalName&gt;learning-servlet&lt;/finalName&gt;
    &lt;plugins&gt;
        &lt;plugin&gt;
            &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
            &lt;artifactId&gt;maven-war-plugin&lt;/artifactId&gt;
            &lt;version&gt;2.2&lt;/version&gt;
            &lt;configuration&gt;
                &lt;failOnMissingWebXml&gt;false&lt;/failOnMissingWebXml&gt;
                &lt;archive&gt;
                    &lt;addMavenDescriptor&gt;false&lt;/addMavenDescriptor&gt;
                &lt;/archive&gt;
            &lt;/configuration&gt;
        &lt;/plugin&gt;
    &lt;/plugins&gt;
&lt;/build&gt;

</project>

src/main/java/Servlet.java:

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.io.PrintWriter;

@WebServlet("/")

public class Servlet extends HttpServlet {

@Override

protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

try

{

PrintWriter writer = resp.getWriter();

writer.println("<h1 align='center'>Hello! I'm servlet!</h1>");

}

catch (Exception e)

{

e.printStackTrace();

}

}

}

Team collection mvn package♪ Then copy $TOMCAT_HOME/webapps♪

Open to address http://127.0.0.1:8080/learning-servlet