How Maven packs a local dependency package

Some jar packages are not available in the MAVEN Central Library, so how do you use them in your project?

Suppose we need to use: Apache-ant-zip-2.3.jar

Place the jar package in the project's Lib directory, for example:

Add a reference to the jar inside the Pom.xml, for example:

<dependency>
<groupId>org.apache</groupId>
<artifactId>apache-ant-zip</artifactId>
<version>2.3</version>
<scope>system</scope>
<systemPath>${basedir}/lib/apache-ant-zip-2.3.jar</systemPath>
</dependency>

This will allow you to use Apache-ant-zip-2.3.jar in your project!

Here's the question of how to include Apache-ant-zip-2.3.jar in a project when it's packaged into a war.

In fact, in the pom.xml inside a configuration can be, for example:

<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<warName>${project.artifactId}</warName>
<webResources>
<resource>
<directory>lib/</directory>
<targetPath>WEB-INF/lib</targetPath>
<includes>
<include>**/*.jar</include>
</includes>
</resource>
</webResources>
</configuration>
</plugin>

Of course, in the include, you can also package other files, such as xml,properties and other configuration files.

After packing, I found that Apache-ant-zip-2.3.jar was already in the war package.

Done!

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How Maven packs a local dependency package