To create a single executable jar file Maven

Axel23 :

Good afternoon, I want to use the Maven Shade plugin to package the jar-file. But each build creates 2 jar-files.

Why? And how to make 1 jar-file packed?

my pom.xml :

<groupId>test</groupId>
<artifactId>task2_maven</artifactId>
<version>1.0</version>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-shade-plugin</artifactId>
            <version>3.2.1</version>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>shade</goal>
                    </goals>
                    <configuration>
                        <createDependencyReducedPom>false</createDependencyReducedPom>
                        <transformers>
                            <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                <manifestEntries>
                                    <Main-Class>test.run.Runner</Main-Class>
                                    <Build-Number>1</Build-Number>
                                </manifestEntries>
                            </transformer>
                        </transformers>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>

</build>

my output:

Please help and let me know what am doing wrong.

jirka.pinkas :

Why does this bother you?

During package phase, Maven will create target/artifact-version.jar
Shade plugin will run and it will rename that jar to target/original-artifact-version.jar and give the shaded JAR the name target/artifact-version.jar

So just ignore target/original-artifact-version.jar which just contains result of (1.)

Edit: Add this plugin and run mvn clean install But as I was trying to say, I don't see a point in deleting the file

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-antrun-plugin</artifactId>
            <version>1.7</version>
            <executions>
                <execution>
                    <phase>install</phase>
                    <goals>
                        <goal>run</goal>
                    </goals>
                    <configuration>
                        <target>
                            <delete>
                                <fileset dir="${project.build.directory}" includes="original-*.jar" />
                            </delete>
                        </target>
                    </configuration>
                </execution>
            </executions>
        </plugin>