Progress 9.1D Driver error java

[Dzshean]

I'm trying to connect progress 9.1D database using java JDBC. i used jdbc.jar, progress.jar. i tried so many times, every time it's failed. how to find the real driver for this? how to solve this problem

thanks in advance!

String URL = "jdbc:jdbcprogress:T:hostort:db";
//String username = "xx";
//String password = "xx";
Class.forName("com.progress.sql.jdbc.JdbcProgressDriver");
System.out.println(" Driver loaded ");

Connection con = DriverManager.getConnection(URL);

System.out.println(" connection obtained"); //


Error:

Driver loaded
java.sql.SQLException: No suitable driver found for
jdbc:jdbcprogress:T:hostort:db
at java.sql.DriverManager.getConnection(DriverManager.java:596)
at java.sql.DriverManager.getConnection(DriverManager.java:233)
at progressdb.ProgressDB.main(ProgressDB.java:28)

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