fixed gh actions

Author: Jolanrensen

.github/workflows/publish_dev_version.yml

@@ -23,10 +23,8 @@ jobs:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-m2
-      - name: Build with Maven
-        run: ./mvnw -B package --file pom.xml -Pscala-2.12 -Dkotest.tags="!Kafka"
       - name: Deploy to GH Packages
-        run: ./mvnw --batch-mode deploy
+        run: ./mvnw --batch-mode deploy -Dkotest.tags="!Kafka"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 

kotlin-spark-api/3.2/src/main/kotlin/org/jetbrains/kotlinx/spark/api/jupyter/SparkIntegration.kt

@@ -38,6 +38,7 @@ import scala.collection.*
 import org.jetbrains.kotlinx.spark.api.SparkSession
 import scala.Product
 import java.io.Serializable
+import java.util.Random
 import scala.collection.Iterable as ScalaIterable
 import scala.collection.Iterator as ScalaIterator