Can we have 2 POM XML?

Can we have 2 POM XML?

Yes you can have multiple poms for a project, but the default is pom. xml if you want to use alternate pom file you can use -f to mention the alternate pom file in your case mvn -f sonar_pom. xml clean install , probaly that pom file is used for sonar.

Can a Java project have multiple modules?

Simple answer to this is: Yes a single modules can have only a single module-info. java file which in consequence means having a single Jigsaw module.

How can I make a Maven project package all dependency JARs into my output jar?

This is not a solution to the OP but is a solution for someone who has a similar requirement but with many Maven dependencies,

  1. Just right-click on your project folder (in Eclipse) and select Export.
  2. Then select Java -> Runnable Jar.
  3. You will be asked to choose the location of the jar file.

How do I run a multi module project in Maven?

Creating Maven multi-module project with Eclipse

  1. Step 1 : Create Parent project. mvn archetype:generate -DgroupId=com.websystique.multimodule -DartifactId=parent-project.
  2. Step 2 : Update pom.
  3. Step 3 : Create sub-modules.
  4. Step 4 : Update sub-modules pom.
  5. Step 5 : Import these projects as ‘Existing maven projects’ in Eclipse.

Can we rename POM XML?

1 Answer. Maven looks for the pom. xml file, so you should rename it that for it to work. You could use another file name using the -f option.

What is a multi-module Maven project?

A multi-module project is built from an aggregator POM that manages a group of submodules. In most cases, the aggregator is located in the project’s root directory and must have packaging of type pom. Now, the submodules are regular Maven projects, and they can be built separately or through the aggregator POM.

How do I run a multi-module in a spring project?

Multi-Module Project With Spring Boot

  1. Provide the ability to build all modules with a single command. Run the build command from parent module.
  2. Build system take care of the build order.
  3. Make it easy and flexible to deploy the application.
  4. You can re-use the code from the modules across different projects.

Does JAR file contain dependencies?

Normally, when we package a project into a jarW file, the jar file doesn’t contain its dependencies, so the dependency jar files would need to be included in the classpathW in order to execute a class in the project’s jar file that uses one of the dependencies. xml file contains a reference to the maven-shade-plugin.

How do I run a JAR file with dependencies?

2 Answers

  1. Call java with the main class and add jar files, including your foobar.jar , on the command line: java -cp foobar.jar:baz.jar com.mycompany.MainClass.
  2. Include dependencies in foobar.jar ‘s manifest file (and then run java -jar ) Class-Path: baz.jar.

Why POM xml is used?

A Project Object Model or POM is the fundamental unit of work in Maven. It is an XML file that contains information about the project and configuration details used by Maven to build the project. Other information such as the project version, description, developers, mailing lists and such can also be specified.

What is the pattern for parent-child relationships in Maven?

I have encountered the below ” pattern ” for maven parent-child relationships: http://yuml.me/3f8dd366 In this example we have a module with 2 sub modules. The module has a parent pom “Parent for building the Module” which knows the two sub-modules as it’s children.

How to create Maven project with parent child pom?

Let’s learn to create maven projects with parent child relationship. Project creation wizard. Select Project Archtype. Fill details and create project. Now change packaging from jar to pom in pom.xml. Additionally, add project properties and dependencies. Create a new maven project just like you did for parent project.

How to build an executable jar from multi module Maven project?

Class Hello is defined in the Dep module. What should I add into my poms to build executable jar with Main class from Main module as entry point? You need to change your pom for artifactid Main. You need to add the maven-assembly-plugin In the configuration of it you have an option to specify the mainClass in the manifest.

What is the parent child relationship in Java?

The module has a parent pom “Parent for building the Module” which knows the two sub-modules as it’s children. The sub-modules how ever have no idea that this parent knows them, and they think their parent is the one named “Parent for dependency management”.