diff --git a/python/docker-app-with-asg-alb/dockerized_app_cdk/rds_stack.py b/python/docker-app-with-asg-alb/dockerized_app_cdk/rds_stack.py
index a695a174c..1086ffc99 100644
--- a/python/docker-app-with-asg-alb/dockerized_app_cdk/rds_stack.py
+++ b/python/docker-app-with-asg-alb/dockerized_app_cdk/rds_stack.py
@@ -34,7 +34,7 @@ def __init__(self, scope: core.Construct, id: str, props, **kwargs) -> None:
                 engine=rds.DatabaseInstanceEngine.MYSQL,
                 vpc=props['vpc'],
                 port=3306,
-                instance_class=ec2.InstanceType.of(
+                instance_type=ec2.InstanceType.of(
                     ec2.InstanceClass.MEMORY4,
                     ec2.InstanceSize.LARGE,
                     ),
diff --git a/python/new-vpc-alb-asg-mysql/cdk_vpc_ec2/cdk_rds_stack.py b/python/new-vpc-alb-asg-mysql/cdk_vpc_ec2/cdk_rds_stack.py
index 3e96c44ce..f3ec3b5ce 100644
--- a/python/new-vpc-alb-asg-mysql/cdk_vpc_ec2/cdk_rds_stack.py
+++ b/python/new-vpc-alb-asg-mysql/cdk_vpc_ec2/cdk_rds_stack.py
@@ -33,7 +33,7 @@ def __init__(self, scope: core.Construct, id: str, vpc, asg_security_groups, **k
         db_mysql_easy = rds.DatabaseInstance(self, "MySQL_DB_easy",
                                              engine=rds.DatabaseInstanceEngine.MYSQL,
                                              engine_version="5.7.22",
-                                             instance_class=ec2.InstanceType.of(
+                                             instance_type=ec2.InstanceType.of(
                                                  ec2.InstanceClass.BURSTABLE2, ec2.InstanceSize.SMALL),
                                              master_username="admin",
                                              vpc=vpc,
diff --git a/python/rds/app.py b/python/rds/app.py
index 29554bfdc..c63ed85db 100644
--- a/python/rds/app.py
+++ b/python/rds/app.py
@@ -12,7 +12,7 @@ def __init__(self, app: core.App, id: str, **kwargs) -> None:
         super().__init__(app, id, **kwargs)
 
         vpc = ec2.Vpc(self, "VPC")
-        
+
         rds.DatabaseInstance(
             self, "RDS",
             master_username="master",
@@ -22,8 +22,8 @@ def __init__(self, app: core.App, id: str, **kwargs) -> None:
             engine=rds.DatabaseInstanceEngine.MYSQL,
             vpc=vpc,
             port=3306,
-            instance_class=ec2.InstanceType.of(
-                ec2.InstanceClass.MEMORY4, 
+            instance_type= ec2.InstanceType.of(
+                ec2.InstanceClass.MEMORY4,
                 ec2.InstanceSize.LARGE,
             ),
             removal_policy=core.RemovalPolicy.DESTROY,
diff --git a/scripts/build-java.sh b/scripts/build-java.sh
index de5d2b883..aa2cc3713 100755
--- a/scripts/build-java.sh
+++ b/scripts/build-java.sh
@@ -16,7 +16,7 @@ for pomFile in $(find $scriptdir/../java -name pom.xml); do
         cd $(dirname $pomFile)
         if [[ -f DO_NOT_AUTOTEST ]]; then exit 0; fi
 
-        mvn compile test
+        mvn -q compile test
 
         $scriptdir/synth.sh
     )