Java Proxy Client Error

I write a EJB client to call the deployed java proxy, but I got the following exception, sounds like
authorization error, but I have already used the xiappluser to access.
Exception in thread "main" com.sap.aii.proxy.xiruntime.core.BaseProxyException:
Error sending MS message. Exception: Received HTTP response code 401.
at com.sap.aii.proxy.xiruntime.core.AbstractProxy.send$(AbstractProxy.ja
va:146)
Here is the my code:
Properties p = new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sap.engine.services.jndi.InitialContextFactoryImpl");
p.put(Context.PROVIDER_URL, "<sid>:50104");
p.put(Context.SECURITY_PRINCIPAL, "xiappluser");
p.put(Context.SECURITY_CREDENTIALS, "****");
Context ctx = new InitialContext(p);

Hi,
We have the almost the same problem, we write a Java Application to call the deployed java proxy, but I got the following exception:
...com.sap.aii.proxy.xiruntime.core.BaseProxyException:
Error sending MS message. Exception: Received HTTP response code 404: Not found.
Anyone have an idea what's happing?
Regards,
Luis Diego

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aii_adapter_xi_svc.jar, aii_af_cci.jar, aii_af_cpa.jar, aii_af_mp.jar,
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SAP on DB2 for Linux, UNIX, and Windows
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Stefan,
Things worked after the business system was created in SLD.
I dont see the radio buttons for rewarding points against your post. Will try later to reward points.
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Amol

HI Amol,
Did you check the Message type/Message Inetrface names in the Java Proxy ?
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I assume that , you have created the Communication Channel under the Business System created as Standalone Java System.. If not check this.
Go to SXI_CACHE and check for the Receiever Determination created in the Configuration...
Hope this helps,
regards,
Moorthy

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