Access App Modules from same workspace OR from different workspaces

Hello,
1- I want to access an application module methods "application A", from another application module methods "Application B", the two applications are developed under different workspaces, Is this doable
in Oracle ADF, I need a solution other than web services if possible.
2- I tried to access a method in AppModuleA using another method in AppModuleB, the two application modules are in the same work space but in different model project, I followed the link :
http://myadfnotebook.blogspot.com/2010/08/problem-adf-application-with-multiple.html
I used the following code:
public String getQueryMultipleDB(){
getEmpView1().executeQuery();
String DB1 = String.valueOf(getEmpView1().getRowCount());
String DB2 = " ";
ApplicationModule appModuleDB2 =
Configuration.createRootApplicationModule("modelDB2.ApplicationModuleDB2.common.AppModuleDB2","AppModuleDB2Local");
ViewObject viewObjectDB2 = appModuleDB2.findViewObject("EmpView1");
DB2 = String.valueOf(viewObjectDB2.getRowCount());
return "DB1: "+ DB1 + " DB2: "+ DB2;
but I am getting the following error:
(oracle.jbo.ConfigException) JBO-33001: Configuration file /modelDB2/ApplicationModuleDB2/common/common/bc4j.xcfg is not found in the classpath.
Please help if possible...
Thanks in Advance,
MAbuShaera

Depending on your use case have a look at either nested application modules:
http://download.oracle.com/docs/cd/E17904_01/web.1111/b31974/bcservices.htm#sm0229
or packaging an application module in an ADF library:
http://download.oracle.com/docs/cd/E17904_01/web.1111/b31974/reusing_components.htm#BABCHHHJ

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Hello:
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Have I added the application Modules to the Master Model?
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Here is another solution as provided by Oracle Support in response to a TAR that I opened:
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I have gotten the following information back from one of the development folks pertaining to the question you asked.
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Here are the settings for my project.
MyApplication (Application)
Model1 (Project) : Has connection settings to connect to schema1
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Thanks
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Hi..
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PS: It looks like this post got published twice. You can delete the other one using the task bar on the right.
Please remember to rate helpful resonses and identify correct answers.

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What does the RFC trace file and log say? Has there been any dump on the SAP server? Check the logs and transaction st22 in your SAP system to see if the RFC-module has dumped.
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regards,
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