cubrid.jdbc.driver.CUBRIDException: invalid URL - jdbc:mysql://localhost:3306/test
	at cubrid.jdbc.driver.CUBRIDDriver.connect(CUBRIDDriver.java:145)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at stress.Test.<init>(Test.java:20)
	at stress.Test.main(Test.java:35)