为什么在本地maven repo上安装时会从工件中删除分类器？

Question

I have a utility project which uses gradle to generate the JAR artifacts. While generating the JAR artifact, I use classifier property of Jar task explained here . The code I use in my build.gradle is:

def artifactClassifier = project.hasProperty('classifier') ? classifier : "dev"
jar {
    classifier = artifactClassifier
}

I could see the JAR is generated as expected ( myutils-1.0-test.jar ) while I run following gradle build.

$ gradle clean build -Pclassifier=test

Now, I tried to install this artifact to my local M2 repo using following command:

$ mvn:install install-file -Dfile=/path/to/myutils-1.0-test.jar -DgroupId=my.group -DartifactId=myutils -Dversion=1.0 -Dclassifiers=test

This installation was successful, but when I checked my M2 repo, I see the JAR file is located as: ~/.m2/repository/my/group/myutils/1.0/myutils-1.0.jar . The classifier value test is missing from the installed artifact name. Then, I tried to add this as a dependency as:

<dependency>
  <groupId>my.group</groupId>
  <artifactId>myutils</artifactId>
  <version>1.0</version>
  <classifier>test</classifier>
</dependency>

But, maven could not resolve it. After I removed classifier tag, maven could resolve the dependency. Same thing happened with Gradle too. When I added following, Gradle failed to resolve the dependency (I tried without @jar and that too didn't work.

ext {
  myutils.version = "1.0"
}
compile "my.group:myutils:${myutils_version}:test@jar"

Whereas on removing :test@jar let Gradle resolve the dependency.

I am using Gradle v2.3 and Maven v3.3.1

Am I missing anything? Could someone help me?

Answer 1

Try using -Dclassifier (without s) as parameter to mvn install:install-file .

ie:

$ mvn install:install-file -Dfile=/path/to/myutils-1.0-test.jar -DgroupId=my.group -DartifactId=myutils -Dversion=1.0 -Dclassifier=test