Open Connection

Procedure

To instantiate JCO.Client objects, you do not use a Constructor. Instead, you use the createClient() method of the class JCO. Several versions of this method must be supported:

Connections to a specific application server
Connections to a Load Balancing server group
Connections that are based on the information in the java.util.Properties object. This is particularly useful to avoid hard-coded system and user information in the Java code.

Additional versions are described in the Javadocs .

The example illustrated below shows the version for connections to a specific application server. Creating the JCO.Client object does not create a connection to the SAP Server. This occurs using the subsequent call connect().

Syntax Syntax

Creating a JCO.Client Object

// Change the logon information to your own system/user

```
mConnection =
```

   JCO.createClient (“001“, // SAP client

```
   “<userid>“, // userid
```
```
   “****“,	// password
```

   “EN“,	// language (null for default language)

   “<hostname>“	// application server host name

```
   “00“); // system number
```

End of the code.

Open Connection

Syntax Syntax

```
Try {
```
```
   mConnection.connect ();
```
```
}
```
```
catch (Exeption ex)   {
```
```
   ex.printStackTrace ();
```
```
   System.exit (1)
```
```
}
```

End of the code.

More Information

For information on further procedures, see:

The complete example program for establishing a direct connection:

Example Program Connect1