I've created a simple project in Java Maven . I can run this project by:
1:
java -cp target/MavenTestApp-1.0-SNAPSHOT.jar org.koushik.javabrains.App
But I would like to run it by:
2:
java -jar target/MavenTestApp-1.0-SNAPSHOT.jar
To run it by second method I need to change manifest file . I am using maven so I think that in this case I need to change the pom.xml file. My pom.xml file is:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.koushik.javabrains</groupId>
<artifactId>MavenTestApp</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>MavenTestApp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
I need to add something like this:
<mainClass>org.koushik.javabrains.App</mainClass>
But I not pretty sure where and how to do that? Could you also tell me if this line is good:
2:
java -jar target/MavenTestApp-1.0-SNAPSHOT.jar
Maybe at the end of this line there should be something or it is sufficient? Thanks.
Take a look at the Maven jar plugin documentation . You will need to configure something similar in your .pom:
<project>
...
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
...
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>org.koushik.javabrains.App</mainClass>
</manifest>
</archive>
</configuration>
...
</plugin>
</plugins>
</build>
...
</project>
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