Gradle java-library dependency issues

Question

I have developed a Java library using the java-library Gradle plugin. This library has e dependency on protobuf-java which I need to expose as a transitive dependency to users of the library.

I have the following snippets in my library's build.gradle

plugins { id 'java-library' id "maven-publish" id "com.google.protobuf" version "0.8.16" } ... dependencies { api ("com.google.protobuf:protobuf-java:3.17.3") testImplementation("com.google.protobuf:protobuf-java-util:3.17.3") testImplementation("org.junit.jupiter:junit-jupiter-api:5.7.2") testImplementation("org.junit.jupiter:junit-jupiter-engine:5.7.2") }

Running gradlew dependencies gives me the following as expected

api - API dependencies for source set 'main'. (n) \--- com.google.protobuf:protobuf-java:3.17.3 (n)

But when I add the library as a dependency to in my main app, I don't get any transitive dependencies. Doing a gradlew dependencies in my main app gives me:

compileClasspath - Compile classpath for source set 'main'. +--- my-library:my-library:1.0.21 +--- javax.jms:javax.jms-api -> 2.0.1 ....

What could be the cause for the dependency not showing up in the main app?

athom · Accepted Answer · 2021-06-21 05:56:48Z

2

The problem was with the maven-publish plugin.

I had to add the following to my publishing section to get it to work.

publications { mavenJava(MavenPublication) { from project.components.java } }

answered Jun 21, 2021 at 5:56

athom

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2 Comments

Rookie007 Over a year ago

hi I am having the same problem as yours, this is my question, stackoverflow.com/questions/73436774/… can you help me on this ?

Sabir Khan Jan 13 at 14:40

Hi, you haven't mentioned what was already there in your "publishing" section and how it looks after the fix. If possible , please include that code snippet in your answer or question. thanks.

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