java sql connectivity

I have created a user dsn named "harshi"

To insert rows in a table getting data from Java code I want to insert in SQL table. The connection statement is:

String url = "jdbc:odbc:Harshi"; 
Connection conn =开发者_开发问答 DriverManager.getConnection(url,"",""); 
Statement st = conn.createStatement(); 

Still I am getting output as:

Got an exception!

[Microsoft][ODBC SQL Server Driver][Shared Memory]SQL Server does not exist or access denied.

How can I solve it?

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To troubleshoot this error, try one of these:

• does the DSN contain good credentials?
• If using SQL Server Authentication, try logging in using those exact credentials via SQL Server Management Studio
• If using Windows Authentication, does the account making the request have permissions to the SQL Server?
• Are there any firewalls in between the application machine and the database machine?
• Has the IP address of the destination machine changed since the DSN was created?
• Try deleting & recreating the DSN.