Connection problems Sap A Java Application

Hi Gurus,
I have a problem. I'm riding the part of the JCO SERVER for SAP from sending information to a Java application.
I created the RFC destination of the type TCP / IP and I have registered my JAVA application in the visual administrator. This application java is already deployed listening to SAP and I can think of the following error when I run a BAPI created in the ABAP fate that I created.
It's not that I can think of that might be.
Or if someone was going another way of doing it from using sap we can send things to JAVA without having to java call the BAPI please help.
Errores tiempo ejecucióCALL_FUNCTION_REMOTE_ERROR
"JCO.Server could not find server function 'Z_BAPI_RFC'"
¿Qué ha sucedido?
Error in ABAP application program.
The current ABAP program "Z_BAPI_RFC====================FT" had to be terminated because one of the statements could not be
executed.
This is probably due to an error in the ABAP program.
The error occurred in an RFC call to another system.
The target system has also written a short dump.
Consult this short dump for more precise information about
the cause of the error.

Please note that this forum is dedicated to all other development-related questions which are not directly addressed by other forums. This includes Business Objects SDKs, products, or technologies which do not fall under BusinessObjects Enterprise, BusinessObjects Edge, Crystal Reports Server, or Crystal Reports (for example Desktop Intelligence SDK, Universe Designer SDK, Portal Integration Kits, Java User Function Libraries, and other third party technologies or development languages).
As your query relates to an SAP product, please post to an SAP forum.
Ludek

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*Connection problems Sap A Java Application*

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Connection problems Sap A Java Application