diff --git a/distribution/lib/Standard/Database/0.0.0-dev/src/Internal/JDBC_Connection.enso b/distribution/lib/Standard/Database/0.0.0-dev/src/Internal/JDBC_Connection.enso
index ccba2daa54635..2717eaac42156 100644
--- a/distribution/lib/Standard/Database/0.0.0-dev/src/Internal/JDBC_Connection.enso
+++ b/distribution/lib/Standard/Database/0.0.0-dev/src/Internal/JDBC_Connection.enso
@@ -137,9 +137,11 @@ type JDBC_Connection
 create : Text -> Vector -> JDBC_Connection
 create url properties = handle_sql_errors <|
     java_props = Properties.new
+    IO.println <| "[mylog] (1) properties = " + properties.to_text
     properties.each pair->
         if pair.second.is_nothing.not then java_props.insert pair.first pair.second else
             java_props.remove pair.first
+    IO.println <| "[mylog] (2) java_props = " + java_props.to_text
     java_connection = JDBCProxy.getConnection url java_props
 
     resource = Managed_Resource.register java_connection close_connection