Connect to SAP message server through JCO

Question

I have a working connection between my Java application and a SAP server through use of SAP JCO. The problem is that my connection is limited to 1 server. There should be an option available for connecting to a SAP message server that acts like a load balancer.

Does anyone have an idea how this works?

My working Hibersap example:

final SessionManagerConfig sessionManagerConfig = new SessionManagerConfig("");

sessionManagerConfig.setContext(JCoContext.class.getName());
sessionManagerConfig.setProperty(DestinationDataProvider.JCO_ASHOST, "");
sessionManagerConfig.setProperty(DestinationDataProvider.JCO_SYSNR, "");
sessionManagerConfig.setProperty(DestinationDataProvider.JCO_CLIENT, "");
sessionManagerConfig.setProperty(DestinationDataProvider.JCO_USER, "");
sessionManagerConfig.setProperty(DestinationDataProvider.JCO_PASSWD, "");
sessionManagerConfig.setProperty(DestinationDataProvider.JCO_LANG, "");

...

Answer 1

Instead of JCO_ASHOST and JCO_SYSNR, you have to provide

• JCO_R3NAME with the system ID of the target system
• JCO_MSHOST with the message server host name or address
• JCO_MSSERV with the message server port number
• JCO_GROUP with the name of the logon group

See this file for a working example using JCo3.