Use archiveClassifier instead of deprecated classifier

Author: tokuhirom

build.gradle

@@ -177,12 +177,12 @@ subprojects {
         }
 
         task javadocJar(type: Jar, dependsOn: 'javadoc') {
-            classifier = 'javadoc'
+            archiveClassifier.set('javadoc')
             from javadoc.destinationDir
         }
 
         task sourcesJar(type: Jar, dependsOn: 'classes') {
-            classifier = 'sources'
+            archiveClassifier.set('sources')
             from sourceSets.main.allSource
         }
 

line-bot-cli/build.gradle

@@ -34,7 +34,7 @@ bootJar {
     launchScript {
         script = file('src/main/resources/launch.script')
     }
-    classifier = 'exec'
+    archiveClassifier.set('exec')
     mainClassName = 'com.linecorp.bot.cli.Application'
 }
 
@@ -48,6 +48,8 @@ bootJar.dependsOn jar
 signArchives.dependsOn bootJar
 
 // Add exec jar into archives to be uploaded.
-artifacts.add('archives', file("$buildDir/libs/${project.name}-${project.version}-${bootJar.classifier}.jar")) {
-    classifier = bootJar.classifier
+artifacts.add(
+    'archives',
+    file("$buildDir/libs/${project.name}-${project.version}-${bootJar.archiveClassifier.get()}.jar")) {
+    classifier = bootJar.archiveClassifier.get()
 }