NetWeaver Enterprise Connector Problem

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Hello,

Recently we started to make a development with the SAP WEB Application Server 6.30 using Netweaver Developer Studio 2.0.0. Our main issue is develop a web application that comunicates with BAPIS and RFC in a remote CRM & BW destination systems.

To make the integration we use the SAP Enterprise Connector, to identify the functions and generate the proxy classes. The wizzard let me to choose if i like to make also the support classes for a EJB, but when i make this process the class Bean and Remote give an exception in the extend part of the declaration of the class.

Class TEST_PortTypeBean

public class XXXX_PortTypeBean extends com.sap.aii.proxy.framework.core.AbstractProxyBean {

Error: "cannot be resolved or is not a valid superinterface"

Class XXXX_PortTypeRemote

public class XXXX_PortTypeBean extends com.sap.aii.proxy.framework.core.AbstractProxyRemote {

Error: "cannot be resolved or is not a valid superclass"

The first thing that i check is the required libraries in the class path (aii_proxy_rt.jar, ii_util_misc.jar, SAPmdi.jar, sapjco.jar). So i explore inside the libraries (jar files) and there don`t exist (com.sap.aii.proxy.framework.core.AbstractProxyBean and com.sap.aii.proxy.framework.core.AbstractProxyRemote ).

So, maybe i am making something wrong or is needed to use another library diferent than examples and documentation say.

Thanks a lot,

Enrique.