Struts 2 Getting Started With Hello-World Example on Gnu/Linux

Getting-Started with Struts 2 on Linux

Hi! The Tutorial shows you Step-by-Step How to Quick Start with a Struts 2 Hello-World Java Web Application on GNU/Linux Systems.

The first Benefit of Using Struts is that you don’t have to write a Controller and can concentrate on writing Business Logic in action classes.

The Tutorial make Use of the Maven Java Tool Facility to Getting-Started Easy with a Basic Struts2 Web App on Linux.

Struts 2 can Use either an XML Configuration file or Java Annotations (or both) to specify the relationship between a URL, a Java class, and a view page (such as index.jsp).

1. How to Install Struts 2 on GNU/Linux

   Here Struts 2 Linux Installation

   How to Install Struts 2 Java Framework on GNU/Linux

2. Check if Maven 3+ is Setup on Linux

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   mvn -v

   How to Install the Latest Apache Maven on Linux

3. Generate a Maven Standard Java Web App Project:

   Here Maven Create Web App Project

   Links to Guide on Making a Maven Web Applications Project on Linux

4. Edit the pom.xml Config File

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   cd myWebApp

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   nano pom.xml

   Modify the “build” Entry like:

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   <build>
   <finalName>basic_struts</finalName>
   </build>
   

   Ctrl+x to Save & Exit from nano :)

5. Add Struts 2 Jar Files To Class Path.

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   nano ./pom.xml

   Include in the “dependencies” Section:

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   <dependency>
   <groupId>org.apache.struts</groupId>
   <artifactId>struts2-core</artifactId>
   <version>[X.X.X.X]</version>
   </dependency>
   

   Just Subsitute to X.X.X., the Suited Struts 2 Version (May simply Look the Latest Downloaded Struts Release!)

6. Building and Packaging to Easy Deploy on the Servlet Container.

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   mvn clean package

   Find the Artifact Product Ready to Deploy on:

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   ./target/basic_struts.war

7. How to Deploy a Servelet on Apache Tomcat Container

   Here Tomcat Easy Deploying Guide

   How to Easy Deploying Servlets on Apache Tomcat Server

8. Then you can Browse the Struts2 StartUp Hello-World.

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   http://localhost:8080/basic_struts/

9. Add Logging.

   This to see what’s happening under the hood…

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   nano ./pom.xml

   Include in the “dependencies” Section:

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   <dependency>
   <groupId>log4j</groupId>
   <artifactId>log4j</artifactId>
   <version>1.2.14</version>
   </dependency>
   

   Then Create a Log4J Config File

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   nano ./src/main/resources/log4j.xml

   Append:

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10. Add a Struts 2 Servlet Filter.

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    nano ./src/main/webapp/WEB-INF/web.xml

    Insert:

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    struts2
    org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
    
    
    struts2
    /*
    
    

11. Struts 2 App Minimal XML Configuration.

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    nano ./src/main/resources/struts.xml

    Append:

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    /index.jsp
    
    
    
    

12. Building and Packaging Again.

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    mvn clean package

13. Deploy and Access the Final Struts2 Hello-World App.

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    http://localhost:8080/basic_struts/