plugins { id 'java' id "com.google.protobuf" version "0.8.18" } group = 'com.baeldung' version = '0.0.1-SNAPSHOT' sourceCompatibility = '17' repositories { mavenCentral() } dependencies { implementation group: 'com.google.protobuf', name: 'protobuf-java', version: '3.15.0' implementation group: 'javax.annotation', name: 'javax.annotation-api', version: '1.3.2' testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1' testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1' } tasks.named('test') { useJUnitPlatform() } protobuf { protoc { artifact = 'com.google.protobuf:protoc:3.15.0' } } sourceSets { main { proto { srcDir 'src/sample_protofiles' } java { srcDirs 'build/generated/source/proto/main/java' } } test { proto { srcDir 'src/sample_protofiles' } } }