How to add a jar file to the Maven repository?

1 year ago
Ava Mitchell
2 minutes

To add a jar package to the Maven repository, you can follow these steps:

  1. Firstly, create a Maven repository module (or also known as a sub-module) in your project. You can use the following command to create a new module:
mvn archetype:generate -DgroupId=com.example -DartifactId=my-library -DarchetypeArtifactId=maven-archetype-quickstart
  1. Enter the newly created module directory.
cd my-library
  1. Copy your jar file to the src/main/resources directory.
  2. Add the following configuration in the pom.xml file of the module:
<groupId>com.example</groupId>
<artifactId>my-library</artifactId>
<version>1.0.0</version>
<packaging>jar</packaging>

<repositories>
   <repository>
       <id>local-maven-repo</id>
       <url>file://${project.basedir}/repo</url>
   </repository>
</repositories>

<build>
   <plugins>
       <plugin>
           <artifactId>maven-install-plugin</artifactId>
           <version>3.0.0-M1</version>
           <executions>
               <execution>
                   <id>install-jar-lib</id>
                   <phase>clean</phase>
                   <goals>
                       <goal>install-file</goal>
                   </goals>
                   <configuration>
                       <groupId>com.example</groupId>
                       <artifactId>my-library</artifactId>
                       <version>1.0.0</version>
                       <packaging>jar</packaging>
                       <file>${project.basedir}/src/main/resources/your-jar-file.jar</file>
                       <localRepositoryPath>${project.basedir}/repo</localRepositoryPath>
                   </configuration>
               </execution>
           </executions>
       </plugin>
   </plugins>
</build>

Make sure to replace your-jar-file.jar with the actual path of the jar file you want to add to the Maven repository.

  1. Install the jar file to the local repository by executing the following command:
mvn clean install
  1. This way, your jar file will be installed into the “repo” directory of your local Maven repository.
  2. If you want to deploy a jar file to a remote Maven repository, you need to configure the information of the remote repository and execute the following command:
mvn deploy

In this way, your jar file will be deployed to the remote repository.

Please note that this is just one method of putting a jar file into the Maven repository, the specific implementation may vary depending on the project.

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