mayton2019

public AlarmService() {
        super();
 }

<profiles>
    <profile>
      <id>java</id>
      <properties>
        <main.class.name>org.example.JavaTemplate</main.class.name>
        <jar.name>java-template</jar.name>
      </properties>
    </profile>
    <profile>
      <id>java-kafka-producer</id>
      <properties>
        <main.class.name>org.example.kafka.JavaKafkaProducerTemplate</main.class.name>
        <jar.name>java-kafka-producer-template</jar.name>
      </properties>
    </profile>
   ....
<plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <version>3.2.0</version>
        <configuration>
          <archive>
            <manifest>
              <addClasspath>true</addClasspath>
              <Main-Class>${main.class.name}</Main-Class>
            </manifest>
          </archive>
          <finalName>${jar.name}</finalName>
        </configuration>
      </plugin>

java-kafka-producer-template: build
	mvn package -DskipTests -Pjava-kafka-producer
	cp -f target/java-kafka-producer-template.jar ./bin/

build: clean
	mvn install dependency:copy-dependencies
	cp -f target/dependency/* ./bin/
	rsync src/main/resources/shell/* ./bin

clean:
	rm -fr bin/*
	mkdir -p bin/
...

<attribute name="Main-Class" value="your.main.class.is.Here"/>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>11</maven.compiler.source>
    <maven.compiler.target>11</maven.compiler.target>
  </properties>

        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>