[SPARK-52647] Fix jvmArgs to support multiple arguments

Author: dongjoon-hyun

build-tools/docker/docker-entrypoint.sh

@@ -26,7 +26,7 @@ if [ "$1" = "help" ]; then
 elif [ "$1" = "operator" ]; then
   echo "Starting Operator..."
 
-  exec java -cp "./$SPARK_OPERATOR_JAR" "$LOG_CONFIG" "$OPERATOR_JAVA_OPTS" org.apache.spark.k8s.operator.SparkOperator
+  exec java -cp "./$SPARK_OPERATOR_JAR" "$LOG_CONFIG" $OPERATOR_JAVA_OPTS org.apache.spark.k8s.operator.SparkOperator
 fi
 
 args=("${args[@]}")