diff --git a/dev/scalastyle b/dev/scalastyle
index 2d6ee0da1d4c..ff6dba5b536a 100755
--- a/dev/scalastyle
+++ b/dev/scalastyle
@@ -28,6 +28,7 @@ ERRORS=$(echo -e "q\n" \
         -Phive \
         -Phive-thriftserver \
         -Pspark-ganglia-lgpl \
+        -Pdocker-integration-tests \
         scalastyle test:scalastyle \
     | awk '{if($1~/error/)print}' \
 )
diff --git a/external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala b/external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala
index 70d294d0ca65..79fdf9c2ba43 100644
--- a/external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala
+++ b/external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala
@@ -154,7 +154,7 @@ class OracleIntegrationSuite extends DockerJDBCIntegrationSuite with SharedSQLCo
     // A value with fractions from DECIMAL(3, 2) is correct:
     assert(row.getDecimal(1).compareTo(BigDecimal.valueOf(1.23)) == 0)
     // A value > Int.MaxValue from DECIMAL(10) is correct:
-    assert(row.getDecimal(2).compareTo(BigDecimal.valueOf(9999999999l)) == 0)
+    assert(row.getDecimal(2).compareTo(BigDecimal.valueOf(9999999999L)) == 0)
   }