Allam Rosaiah

Hi,

m pasting java code below please observe clearly.type1 driver connecting db successfully ,but type4 is the problem creating.I started all the services in services area and global name is orcl also.please help to solve this problem.

try {
Class.forName("oracle.jdbc.driver.OracleDriver");
//Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
Connection con =DriverManager.getConnection("jdbc:oracle:thin:@172.20.10.51:1521:orcl","scott","manager");
// Connection con =DriverManager.getConnection("jdbc:odbc:arosa","scott","manager");
if(con!=null)
System.out.println("conection is connected");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}



Error is :

java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:254)

Hi i am connected spring to hibernate database is oracle.but whenever i used type 4 driver m getting like this exception.
java.sql.SQLException: Io exception: The Network Adapter could not establish the connection

But in type1 driver working fine may i know what is the reason.