Issue #LR-740 chore: Upgraded the scala major version from 2.11 to 2.12

.circleci/config.yml

@@ -1,10 +1,8 @@
 version: 2.1
-executorType: machine
 jobs:
   build:
-    docker:
-      - image: circleci/openjdk:14-jdk-buster-node-browsers-legacy
-      - image: circleci/redis:latest
+    machine:
+      image: ubuntu-2004:202201-02
     steps:
       - checkout
       - restore_cache:

Dockerfile.Build

@@ -10,6 +10,6 @@ ENV  M2_HOME /opt/apache-maven-3.3.9
 ENV  PATH ${M2_HOME}/bin:${PATH}
 COPY learner /opt/learner/
 WORKDIR /opt/learner/services
-RUN mvn clean install -DskipTests -DCLOUD_STORE_GROUP_ID=org.sunbird -DCLOUD_STORE_ARTIFACT_ID=cloud-store-sdk -DCLOUD_STORE_VERSION=1.4.6
+RUN mvn clean install -DskipTests -DCLOUD_STORE_GROUP_ID=org.sunbird -DCLOUD_STORE_ARTIFACT_ID=cloud-store-sdk_2.12 -DCLOUD_STORE_VERSION=1.4.7
 WORKDIR /opt/learner/services/learning-service
 CMD ["mvn", "play2:dist"]

course-mw/course-actors-common/pom.xml

@@ -12,8 +12,6 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<slf4j.version>1.6.1</slf4j.version>
-		<logback.version>1.0.7</logback.version>
 	</properties>
 	<dependencies>
 		<dependency>
@@ -26,6 +24,11 @@
 			<artifactId>logback-classic</artifactId>
 			<version>1.2.3</version>
 		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-core</artifactId>
+			<version>1.2.3</version>
+		</dependency>
 		<dependency>
 			<groupId>joda-time</groupId>
 			<artifactId>joda-time</artifactId>
@@ -44,13 +47,13 @@
 		</dependency>
 		<dependency>
 			<groupId>com.typesafe.akka</groupId>
-			<artifactId>akka-actor_2.11</artifactId>
-			<version>2.5.22</version>
+			<artifactId>akka-actor_${scala.major.version}</artifactId>
+			<version>${typesafe.akka.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.typesafe.akka</groupId>
-			<artifactId>akka-slf4j_2.11</artifactId>
-			<version>2.5.22</version>
+			<artifactId>akka-slf4j_${scala.major.version}</artifactId>
+			<version>${typesafe.akka.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.sunbird</groupId>
@@ -80,37 +83,30 @@
 		</dependency>
 		<dependency>
 			<groupId>com.typesafe.akka</groupId>
-			<artifactId>akka-testkit_2.11</artifactId>
-			<version>2.5.22</version>
+			<artifactId>akka-testkit_${scala.major.version}</artifactId>
+			<version>${typesafe.akka.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-core</artifactId>
-			<version>2.10.1</version>
+			<version>${jackson.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.10.1</version>
-		</dependency>
-		<!-- https://mvnrepository.com/artifact/org.powermock/powermock-api-easymock -->
-		<dependency>
-			<groupId>org.mockito</groupId>
-			<artifactId>mockito-core</artifactId>
-			<version>${mockito.core.version}</version>
-			<scope>test</scope>
+			<version>${jackson.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.powermock</groupId>
 			<artifactId>powermock-api-mockito2</artifactId>
-			<version>${powermock.api.mockito2.version}</version>
+			<version>${powermock.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.powermock</groupId>
 			<artifactId>powermock-module-junit4</artifactId>
-			<version>${powermock.module.junit4.version}</version>
+			<version>${powermock.version}</version>
 			<scope>test</scope>
 		</dependency>
 
@@ -163,7 +159,7 @@
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>
-				<version>0.8.5</version>
+				<version>${jacoco-maven-plugin.version}</version>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
@@ -176,7 +172,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.0.0-M4</version>
+				<version>3.0.0</version>
 				<configuration>
 					<!-- <skipTests>true</skipTests> -->
 					<includes>

course-mw/course-actors/pom.xml

@@ -11,19 +11,21 @@
 	</parent>
 	<artifactId>course-actors</artifactId>
 	<name>Course</name>
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-	</properties>
 	<dependencies>
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
 			<version>1.2.3</version>
 		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-core</artifactId>
+			<version>1.2.3</version>
+		</dependency>
 		<dependency>
 			<groupId>net.logstash.logback</groupId>
 			<artifactId>logstash-logback-encoder</artifactId>
-			<version>6.3</version>
+			<version>6.6</version>
 		</dependency>
 		<dependency>
 			<groupId>org.sunbird</groupId>
@@ -32,32 +34,26 @@
 		</dependency>
 		<dependency>
 			<groupId>com.typesafe.akka</groupId>
-			<artifactId>akka-testkit_2.11</artifactId>
-			<version>2.5.22</version>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.mockito</groupId>
-			<artifactId>mockito-core</artifactId>
-			<version>${mockito.core.version}</version>
+			<artifactId>akka-testkit_${scala.major.version}</artifactId>
+			<version>${typesafe.akka.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.powermock</groupId>
 			<artifactId>powermock-api-mockito2</artifactId>
-			<version>${powermock.api.mockito2.version}</version>
+			<version>${powermock.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.powermock</groupId>
 			<artifactId>powermock-module-junit4</artifactId>
-			<version>${powermock.module.junit4.version}</version>
+			<version>${powermock.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.javassist</groupId>
 			<artifactId>javassist</artifactId>
-			<version>3.24.1-GA</version>
+			<version>3.30.2-GA</version>
 		</dependency>
 	</dependencies>
 	<build>
@@ -67,7 +63,7 @@
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>
-				<version>0.8.5</version>
+				<version>${jacoco-maven-plugin.version}</version>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
@@ -80,7 +76,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.0.0-M4</version>
+				<version>3.0.0</version>
 				<configuration>
 					<!-- <skipTests>true</skipTests> -->
 					<includes>

course-mw/enrolment-actor/pom.xml

@@ -4,16 +4,18 @@
   <artifactId>enrolment-actor</artifactId>
   <version>1.0-SNAPSHOT</version>
   <properties>
-    <scala.version>2.11.12</scala.version>
-    <scala.major.version>2.11</scala.major.version>
+    <scala.major.version>2.12</scala.major.version>
+    <scala.version>2.12.11</scala.version>
+    <typesafe.akka.version>2.5.22</typesafe.akka.version>
+    <jackson.version>2.13.5</jackson.version>
     <scoverage.plugin.version>1.4.1</scoverage.plugin.version>
   </properties>
 
   <dependencies>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.10.1</version>
+      <version>${jackson.version}</version>
     </dependency>
     <dependency>
       <groupId>org.scala-lang</groupId>
@@ -48,9 +50,9 @@
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>it.ozimov</groupId>
+      <groupId>com.github.codemonstur</groupId>
       <artifactId>embedded-redis</artifactId>
-      <version>0.7.1</version>
+      <version>1.1.0</version>
       <scope>test</scope>
     </dependency>
     <!-- https://mvnrepository.com/artifact/com.squareup.okhttp3/mockwebserver -->
@@ -75,7 +77,7 @@
     <dependency>
       <groupId>com.typesafe.akka</groupId>
       <artifactId>akka-testkit_${scala.major.version}</artifactId>
-      <version>2.5.22</version>
+      <version>${typesafe.akka.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency>

course-mw/enrolment-actor/src/main/scala/org/sunbird/aggregate/CollectionSummaryAggregate.scala

@@ -74,7 +74,7 @@ class CollectionSummaryAggregate @Inject()(implicit val cacheUtil: RedisCacheUti
 
   def transform(druidResponse: String, groupByKeys: List[String]): util.HashMap[String, AnyRef] = {
     val transformedResult = new util.HashMap[String, AnyRef]()
-    import scala.collection.JavaConversions._
+    import scala.collection.convert.ImplicitConversions._
     val parsedResult: AnyRef = JsonUtil.deserialize(druidResponse, classOf[AnyRef])
     if (isArray(druidResponse) && parsedResult.asInstanceOf[util.ArrayList[util.Map[String, AnyRef]]].nonEmpty) {
       val groupingObj = parsedResult.asInstanceOf[util.ArrayList[util.Map[String, AnyRef]]].map(x => {

course-mw/enrolment-actor/src/main/scala/org/sunbird/enrolments/ContentConsumptionActor.scala

@@ -1,10 +1,6 @@
 package org.sunbird.enrolments
 
-import java.util
-import java.util.{Date, TimeZone, UUID}
-
 import com.fasterxml.jackson.databind.ObjectMapper
-import javax.inject.Inject
 import org.apache.commons.collections4.{CollectionUtils, MapUtils}
 import org.apache.commons.lang3.StringUtils
 import org.sunbird.cassandra.CassandraOperation
@@ -20,8 +16,11 @@ import org.sunbird.kafka.client.{InstructionEventGenerator, KafkaClient}
 import org.sunbird.learner.constants.{CourseJsonKey, InstructionEvent}
 import org.sunbird.learner.util.Util
 
-import scala.collection.JavaConversions._
+import java.util
+import java.util.{Date, TimeZone, UUID}
+import javax.inject.Inject
 import scala.collection.JavaConverters._
+import scala.collection.convert.ImplicitConversions._
 
 case class InternalContentConsumption(courseId: String, batchId: String, contentId: String) {
   def validConsumption() = StringUtils.isNotBlank(courseId) && StringUtils.isNotBlank(batchId) && StringUtils.isNotBlank(contentId)

course-mw/enrolment-actor/src/main/scala/org/sunbird/enrolments/CourseEnrolmentActor.scala

@@ -1,17 +1,11 @@
 package org.sunbird.enrolments
 
-import java.sql.Timestamp
-import java.text.{MessageFormat, SimpleDateFormat}
-import java.time.format.DateTimeFormatter
-import java.time.{LocalDate, LocalDateTime, LocalTime, ZoneId}
-import java.util
-import java.util.{Comparator, Date}
 import akka.actor.ActorRef
 import com.fasterxml.jackson.databind.ObjectMapper
-
-import javax.inject.{Inject, Named}
-import org.apache.commons.collections4.{CollectionUtils, MapUtils}
+import org.apache.commons.collections4.CollectionUtils
 import org.apache.commons.lang3.StringUtils
+import org.sunbird.cache.util.RedisCacheUtil
+import org.sunbird.common.CassandraUtil
 import org.sunbird.common.exception.ProjectCommonException
 import org.sunbird.common.models.response.Response
 import org.sunbird.common.models.util.ProjectUtil.EnrolmentType
@@ -21,16 +15,20 @@ import org.sunbird.common.responsecode.ResponseCode
 import org.sunbird.learner.actors.coursebatch.dao.impl.{CourseBatchDaoImpl, UserCoursesDaoImpl}
 import org.sunbird.learner.actors.coursebatch.dao.{CourseBatchDao, UserCoursesDao}
 import org.sunbird.learner.actors.group.dao.impl.GroupDaoImpl
-import org.sunbird.learner.util.{ContentSearchUtil, ContentUtil, CourseBatchSchedulerUtil, JsonUtil, Util}
+import org.sunbird.learner.util._
 import org.sunbird.models.course.batch.CourseBatch
 import org.sunbird.models.user.courses.UserCourses
-import org.sunbird.cache.util.RedisCacheUtil
-import org.sunbird.common.CassandraUtil
-import org.sunbird.common.models.util.ProjectUtil;
 import org.sunbird.telemetry.util.TelemetryUtil
 
-import scala.collection.JavaConversions._
+import java.sql.Timestamp
+import java.text.SimpleDateFormat
+import java.time.format.DateTimeFormatter
+import java.time.{LocalDate, LocalDateTime, LocalTime}
+import java.util
+import java.util.Date
+import javax.inject.{Inject, Named}
 import scala.collection.JavaConverters._
+import scala.collection.convert.ImplicitConversions._
 
 class CourseEnrolmentActor @Inject()(@Named("course-batch-notification-actor") courseBatchNotificationActorRef: ActorRef
                                     )(implicit val  cacheUtil: RedisCacheUtil ) extends BaseEnrolmentActor {

course-mw/enrolment-actor/src/main/scala/org/sunbird/group/GroupAggregatesActor.scala

@@ -1,8 +1,5 @@
 package org.sunbird.group
 
-import java.text.MessageFormat
-
-import javax.inject.Inject
 import org.apache.commons.collections.CollectionUtils
 import org.apache.commons.lang3.StringUtils
 import org.sunbird.actor.base.BaseActor
@@ -16,8 +13,10 @@ import org.sunbird.keys.SunbirdKey
 import org.sunbird.learner.actors.group.dao.impl.GroupDaoImpl
 import org.sunbird.learner.util.JsonUtil
 
-import scala.collection.JavaConversions._
+import java.text.MessageFormat
+import javax.inject.Inject
 import scala.collection.JavaConverters._
+import scala.collection.convert.ImplicitConversions._
 
 class GroupAggregatesActor @Inject()(implicit val cacheUtil: RedisCacheUtil) extends BaseActor {
 

course-mw/pom.xml

@@ -8,10 +8,16 @@
 	<packaging>pom</packaging>
 	<name>Sunbird LMS MW</name>
 	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<scala.major.version>2.12</scala.major.version>
+		<scala.version>2.12.11</scala.version>
+		<typesafe.akka.version>2.5.22</typesafe.akka.version>
 		<play2.plugin.version>1.0.0-beta5</play2.plugin.version>
-		<mockito.core.version>2.22.0</mockito.core.version>
-		<powermock.api.mockito2.version>2.0.7</powermock.api.mockito2.version>
-		<powermock.module.junit4.version>2.0.0-beta.5</powermock.module.junit4.version>
+		<jackson.version>2.13.5</jackson.version>
+		<powermock.version>2.0.9</powermock.version>
+		<jacoco-maven-plugin.version>0.8.8</jacoco-maven-plugin.version>
+		<scoverage.plugin.version>1.4.1</scoverage.plugin.version>
+		<slf4j.version>1.6.1</slf4j.version>
 	</properties>
 	<modules>
 		<module>sunbird-util</module>
@@ -49,7 +55,7 @@
 			<plugin>
 		        <groupId>org.jacoco</groupId>
 		        <artifactId>jacoco-maven-plugin</artifactId>
-		        <version>0.8.4</version>
+		        <version>${jacoco-maven-plugin.version}</version>
 		        <configuration>
 					<destFile>${basedir}/target/coverage-reports/jacoco-unit.exec</destFile>
 					<dataFile>${basedir}/target/coverage-reports/jacoco-unit.exec</dataFile>
@@ -93,7 +99,7 @@
 		      <plugin>
 		          <groupId>org.apache.maven.plugins</groupId>
 		          <artifactId>maven-surefire-plugin</artifactId>
-		          <version>3.0.0-M4</version>
+		          <version>3.0.0</version>
 		        </plugin>
             </plugins>
         </pluginManagement>