SAP HANA Developer Guide - Get a Free Blog

The port should be 315, for example, 30015, if the instance is 00.
You can specify one or more failover servers by adding additional hosts, as in the following example:
jdbc:sap://myServer:30015,failover1:30015,failover2:30015/?
autocommit=false
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The following is an example of connecting to an SAP HANA server called myhdb, which was installed as
instance 07, with user name myname and password mysecret. Make sure to change these for your
system, and add the JDBC driver (ngdbc.jar) to your classpath.
import java.sql.*;
public class jdemo {
public static void main(String[] argv) {
Connection connection = null;
try {
connection = DriverManager.getConnection(
"jdbc:sap://myhdb:30715/?
autocommit=false",myname,mysecret);
} catch (SQLException e) {
System.err.println("Connection Failed. User/Passwd Error?");
return;
}
if (connection != null) {
try {
System.out.println("Connection to HANA successful!");
Statement stmt = connection.createStatement();
ResultSet resultSet = stmt.executeQuery("Select 'hello
world' from dummy");
resultSet.next();
String hello = resultSet.getString(1);
System.out.println(hello);
} catch (SQLException e) {
System.err.println("Query failed!");
}
}
}
}
SAP HANA Database - Client Installation Guide
14.2.1 Tracing JDBC Connections
You can activate the JDBC trace to find errors while your application is connected to a database via JDBC.
You must be logged on as the operating system user who started (or will start) the JDBC application.
Note:
● You always activate the JDBC trace for all JDBC applications that the current operating system user
has started.
● Configuration changes have an effect on all JDBC applications that the current operating system user
has started.
When the JDBC trace is activated, the JDBC driver logs on the client the following information:
SAP HANA Developer Guide
Using Database Client Interfaces
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