maven-shade-plugin | jar minification , meta-inf service transformers | Plugin library

I need to build one jar for execution tests during CI process on server. This jar have to contains all test dependencies (like junit, mockito) and spring boot dependencies while my test will use spring. I wrote such maven configuration:

I'm trying to implement OAuth2 password grant type with feign client. I followed this guide (only the feign client part). I do it in the separate project (let's call it feign) and then use it as dependency in the other project (let's call it like this). The problem is that if I do everything like in the guide, the javax.ws.rs.core.Response class in the project becomes different from what it was, so one method just disappers. My pom.xml of feign if I follow the guide fully (the source code of the guide)

I know this is another question like, this but really - I tested all things that are on internet, and I can't make it work!

Hi! I created GitHub repo: https://github.com/Norbiros/DenoriaBot. When I export this file - everything works fine, but when I add this plugin to server and reload it I have this error:

I am having a problem creating a .jar file for my JAVAFX Program.

important info:

JAVAFX Version: 17

JAVA Version: 17

IDE: Intellij

Project Uses Maven

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file structure:

module File:

In this Q&A post we'll try to answer the following questions -

1. What is shading in maven?
2. What is maven-shade-plugin, and what is used for ?
3. How to configure the maven-shade-plugin to achieve shading ?

I am tring to convert my .jar project into a native image since I need to run it in a device where Java is not supported. For that I installed GraalVM and all the required dependencies, and the native-image build works perfectly (or at least, seems to, as it doesn't give out any errors during the proccess).

The command that I'm using for the build is:

/usr/lib/jvm/graalvm/bin/native-image -jar MyApp.jar MyApp --enable-http --enable-https --no-fallback -H:+ReportExceptionStackTraces

The problem is, when I try to run the native file, I get an exception saying that the log4j class could not be found, and thus I have no application logs during execution:

I have multiple maven project. To change where the compiled jar is exported, I'm using maven-jar-plugin plugin like that :

I have been trying to create a jar with maven and the maven-shade-plugin for my JavaFX project following this tutorial. https://www.youtube.com/watch?v=EyYb0GmtEX4.

I can create the jar file but when I run it, it gives me the error: Error: Could not find or load main class com.example.pleasework.com.example.pleasework.Main_1

Caused by: java.lang.ClassNotFoundException: com.example.pleasework.com.example.pleasework.Main_1

I have already tried adding java --module-path /path/to/java-fx-libs/ --add-modules javafx.controls,javafx.fxml MyMainClass to vm options but it just changes the error to Error: Could not find or load main class Java. Also, I have a second Main file that runs my first Main file which extends Application.

I am using IntelliJ and created my project through IntelliJ's built-in JavaFX project with Maven. I can run my project normally and it works fine, but when I try to run the shaded jar I generated through Maven's shade plugin I get these errors.

Here is my project structure:

Here is my 2nd Main file

I am developing a Java agent using ByteBuddy, and I need the ByteBuddy library .jar file to be included in the agent .jar file. So far, in order for the agent to run smoothly, I need the ByteBuddy library .jar files to be present in the classpath both at compile time and at runtime. How can I bundle a .jar file such that the agent is self-contained ?

I tried using the shade plugin (as demonstrated here) as well as a few other techniques found on the web, but none of them seem to really include the dependencies in the .jar file, only a reference.

For every technique, I looked in the resulting .jar file (weighs around 5kB every time) and only found the .class files corresponding to the classes I had written, no class files related to ByteBuddy. To be clear, the ByteBuddy library .jar file weighs about 3MB, so I expect my self-contained agent .jar file to weigh around 3MB, as my code is light.

Below is my pom.xml file :