This post relates about configuring the following aspects to get a working JSF 2.1 application:
- Maven 3
- JSF 2.1.7
- Embedded Tomcat 8
pom.xml
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>eu.altotek</groupId>
<artifactId>spa-jsf-generator</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>spa-jsf-generator Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
<java.version>1.8</java.version>
<jsf.version>2.1.7</jsf.version>
<jsp-api.version>2.2.1-b03</jsp-api.version>
<tomcat.version>8.0.28</tomcat.version>
</properties>
<dependencies>
<!-- JSF -->
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-api</artifactId>
<version>${jsf.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>${jsf.version}</version>
<scope>runtime</scope>
</dependency>
<!-- Java standards -->
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>el-impl</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp-api.version}</version>
</dependency>
<!-- Tomcat -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-logging-juli</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper-el</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jsp-api</artifactId>
<version>${tomcat.version}</version>
</dependency>
<!-- Testing -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>spa-jsf-generator</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
web.xml
<?xml version = "1.0" encoding = "UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5">
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Development</param-value>
</context-param>
<welcome-file-list>
<welcome-file>/jsf/home.jsf</welcome-file>
</welcome-file-list>
<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
</web-app>
Main.java
package eu.altotek.spa_jsf_generator;
import java.io.File;
import org.apache.catalina.WebResourceRoot;
import org.apache.catalina.core.StandardContext;
import org.apache.catalina.startup.Tomcat;
import org.apache.catalina.webresources.DirResourceSet;
import org.apache.catalina.webresources.StandardRoot;
public class Main {
public static void main(final String[] args) throws Exception {
final String webappPath = new File("src/main/webapp").getAbsolutePath();
final Tomcat tomcat = new Tomcat();
final StandardContext ctx = (StandardContext) tomcat.addWebapp("/", webappPath);
// Declare an alternative location for your "WEB-INF/classes" dir
// Servlet 3.0 annotation will work
final String targetClassesPath = new File("target/classes").getAbsolutePath();
final WebResourceRoot resources = new StandardRoot(ctx);
resources.addPreResources(new DirResourceSet(//
resources, "/WEB-INF/classes", //
targetClassesPath, "/"));
ctx.setResources(resources);
tomcat.start();
tomcat.getServer().await();
}
}
webapp/jsf/home.xhtml
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>JSF Tutorial!</title>
</head>
<body>
#{helloWorld.message}
</body>
</html>
HelloWorld.java
package eu.altotek.spa_jsf_generator.jsf;
import javax.faces.bean.ManagedBean;
@ManagedBean
public class HelloWorld {
public HelloWorld() {
System.out.println(this + "started!");
}
public String getMessage() {
return "Hello " + this;
}
}
References & kudos
- https://www.mkyong.com/jsf2/jsf-2-0-hello-world-example/
- http://musingsofaprogrammingaddict.blogspot.com.es/2009/12/running-jsf-2-on-embedded-jetty.html
- https://www.mkyong.com/jsf2/jsf-2-0-tomcat-it-appears-the-jsp-version-of-the-container-is-older-than-2-1/
- https://www.tutorialspoint.com/jsf/jsf_first_application.htm
- http://alexgorbatchev.com/SyntaxHighlighter/
How I run the app?
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