Restored Jacoco default task dependence

This commit ensures that the jacoco plugin is applied when calling
check and test tasks.
Also remoed the clean task that prevented sonarqube using coverage data

Fixes: gh-6199

Jenkinsfile

@@ -30,7 +30,7 @@ try {
 				checkout scm
 				withCredentials([string(credentialsId: 'spring-sonar.login', variable: 'SONAR_LOGIN')]) {
 					try {
-						sh "./gradlew clean jacocoTestReport sonarqube -Dsonar.jacoco.reportPaths='**/build/jacoco/*.exec' -PexcludeProjects='**/samples/**' -Dsonar.host.url=$SPRING_SONAR_HOST_URL -Dsonar.login=$SONAR_LOGIN --refresh-dependencies --no-daemon --stacktrace"
+						sh "./gradlew sonarqube -PexcludeProjects='**/samples/**' -Dsonar.host.url=$SPRING_SONAR_HOST_URL -Dsonar.login=$SONAR_LOGIN --refresh-dependencies --no-daemon --stacktrace"
 					} catch(Exception e) {
 						currentBuild.result = 'FAILED: sonar'
 						throw e

build.gradle

@@ -18,23 +18,8 @@ ext.milestoneBuild = !(snapshotBuild || releaseBuild)
 
 dependencyManagementExport.projects = subprojects.findAll { !it.name.contains('-boot') }
 
-// Disable JaCoCo when not explicitly requested to enable caching of test
-// See https://discuss.gradle.org/t/do-not-cache-if-condition-matched-jacoco-agent-configured-with-append-true-satisfied/23504
-gradle.taskGraph.whenReady { graph ->
-	def enabled = graph.allTasks.any { it instanceof JacocoReport }
-	subprojects { project ->
-		project.plugins.withType(JacocoPlugin) {
-		    project.tasks.withType(Test) {
-		        jacoco.enabled = enabled
-		    }
-		}
-	}
-}
-
-
 subprojects {
 	plugins.withType(JavaPlugin) {
 		project.sourceCompatibility='1.8'
 	}
 }
-