Changing packaging based on active profile in pom

Changing packaging based on active profile in pom

In a Maven project, you can change the packaging based on the active profile using the <packaging> element in the <build> section of your project's pom.xml file. Here's an example of how to do it:

<project> <!-- Other project configurations --> <profiles> <!-- Profile 1 with a different packaging --> <profile> <id>profile1</id> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <version>3.2.2</version> <executions> <execution> <id>default-jar</id> <phase>package</phase> <goals> <goal>jar</goal> </goals> <configuration> <!-- Change the packaging to JAR --> <packaging>jar</packaging> </configuration> </execution> </executions> </plugin> </plugins> </build> </profile> <!-- Profile 2 with the default packaging (e.g., WAR) --> <profile> <id>profile2</id> <!-- No need to configure packaging here --> </profile> </profiles> </project>

In this example:

  1. You define two profiles (profile1 and profile2) within the <profiles> section.

  2. Inside the profile1 profile, you configure the maven-jar-plugin to change the packaging to JAR during the package phase. You do this by specifying a <configuration> section for the plugin and setting the <packaging> element to "jar".

  3. Inside the profile2 profile, you don't specify any packaging-related configuration. This means that when profile2 is active, the default packaging specified in the main <packaging> element (e.g., WAR) will be used.

To activate a profile, you can use the -P command line option when running Maven, like this:

mvn clean package -Pprofile1

In the above command, the profile1 profile will be activated, and the packaging will be changed to JAR. If you omit the -P option or use a different profile, the default packaging (specified in the main <packaging> element) will be used.

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