Establishing a Connection Between SAP NetWeaver Application Server for ABAP and SAP NetWeaver AS for Java

Configuring SAP NetWeaver AS for Java

1. Create a new destination of type RFC that points to SAP NetWeaver Application Server for ABAP.

   1. In SAP NetWeaver Administrator, choose  Configuration  Destinations  and on the Destinations tab, choose Create.

   2. Configure the connection to use a technical user and enter the name of a user who has authorizations for the function groups SYST, RFC1, SYSU, and SDIFRUNTIME.

   3. To verify the correctness of the entered data, choose the Ping Destination button.

2. Create a new resource of type Resource Adapter.

   1. In SAP NetWeaver Administrator, choose  Configuration  Application Resources  Create New Resource  New Resource Adapter .

   2. On the Names tab, in the Template field enter SAPJRATemplate and in the Application field enter a name for the application.

   3. Choose Next.

   4. On the Settings tab, enter a JNDI Name (for simplicity, you can use the same name as for the application) and a description.

   5. On the Properties tab, provide the following information:

      Field Name	Value
      Program-ID	We recommend that you use: SAML_SERVICE_<SID> where <SID> is the system ID of the SAP NetWeaver Application Server for ABAP to which you are connecting.
      MaxReaderThreadCount	2
      GatewayServer	Enter the name of a host on which a gateway process of SAP NetWeaver Application Server for ABAP runs (this can be any application server of SAP NetWeaver Application Server for ABAP).
      GatewayService	Enter the port of the gateway or the alias (usually sapgw<nn> where <nn> is the instance number of SAP NetWeaver Application Server for ABAP).
      DestinationName	Enter the name of the RFC destination that you created above.

3. Save your entries.

4. On the Namespace tab, enter a JNDI Name for the JCA Connection Factory. You can use the same name as for the application.

5. Save your entries.

   The new resource adapter appears in the resource list with status Fully available.

Configuring SAP NetWeaver Application Server for ABAP

1. Start Configuration of RFC Connections (transaction SM59).

2. Check under TCP/IP connections whether the RFC destination SAPJ2EE is already preconfigured and points to the local SAP NetWeaver AS for Java using connection data that matches the data you have found or entered in the Java Resource Adapter of SAP NetWeaver AS for Java.

   If not:

   1. Create a new RFC destination of type T.

   2. On the Technical Settings tab, choose Registered Server Program as Activation Type.

   3. Enter the same Program ID, Gateway Host, and Gateway Service as you entered in the Resource Adapter on SAP NetWeaver AS for Java (for the properties Program-ID, GatewayServer and GatewayService respectively).

   4. Save your data.

   5. Choose Connection Test to check whether the connection between SAP NetWeaver Application Server for ABAP and SAP NetWeaver AS for Java is correctly established.