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mvn archetype:generate -DgroupId=com.packtpub.restapp -DartifactId=ticket-management -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false -Dversion=1.0.0-SNAPSHOT

mvn –X archetype:generate -DgroupId=com.packtpub.restapp -DartifactId=ticket-management -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false -Dversion=1.0.0-SNAPSHOT

<project>
  // basic project info comes here  
  <properties>
    // local project based properties can be stored here 
  <properties>  
  <dependencies>
    // all third party dependencies come here
  </dependencies>
  <build>
    <plugins>
      // build plugin and compiler arguments come here
    </plugins>
  </build>
  <profiles>
    All profiles like staging, production come here
  </profiles> 
</project>

<dependency>
    <groupId>org.apache.logging.log4j</groupId>
    <artifactId>log4j-core</artifactId>
    <version>2.9.1</version>
</dependency>

<dependency>
    <groupId>joda-time</groupId>
    <artifactId>joda-time</artifactId>
    <version>2.9.9</version>
</dependency>

<dependency>
  <groupId>org.springframework.security</groupId>
  <artifactId>spring-security-web</artifactId>
  <version>3.1.4.RELEASE</version>
</dependency>

<?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>
  <groupId>com.packtpub.restapp</groupId>
  <artifactId>ticket-management</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>
  <name>ticket-management</name>
  <description>Demo project for Spring Boot</description>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
  </properties>
  <dependencies>
      <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>5.0.1.RELEASE</version>
    </dependency>  
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter</artifactId>
      <version>1.5.7.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-tomcat</artifactId>
      <version>1.5.7.RELEASE</version>
    </dependency>    
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.9.2</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>5.0.0.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.0.1.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
      <version>1.5.7.RELEASE</version> 
    </dependency> 
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
    </plugins>
  </build>
</project>

@Configuration
@EnableAutoConfiguration
@ComponentScan
@Controller

@ResponseBody
@RequestMapping("/")
public String sayAloha(){
  return "Aloha";
}

package com.packtpub.restapp.ticketmanagement;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@Configuration
@EnableAutoConfiguration
@ComponentScan
@Controller
public class TicketManagementApplication { 
  @ResponseBody
  @RequestMapping("/")
  public String sayAloha(){
    return "Aloha";
  }
  public static void main(String[] args) {
    SpringApplication.run(TicketManagementApplication.class, args);
  }
}

Tomcat started on port(s): 8080 (http)