problem in doing start up openjms server programatically?

Hi guys,

I'd like to start up the openjms server programatically.
so I did as follows:
-----------------------------------------------------------------------
String configuration = "c:\\openjms-0.7.7-beta-1\\config\\openjms.xml";
JmsServer jmsServer = new JmsServer(configuration);
jmsServer.init();
-----------------------------------------------------------------------
but, I got a error mesaage as follows:
-----------------------------------------------------------------------
OpenJMS 0.7.7-alpha-3
The OpenJMS Group. (C) 1999-2005. All rights reserved.
http://openjms.sourceforge.net

WARN - AttributeExpander$AttributeInterceptor .expand(197) | Cannot expand 
script as property openjms.home is not defined
WARN - AttributeExpander$AttributeInterceptor .expand(197) | Cannot expand 
keyStore as property openjms.home is not defined
WARN - AttributeExpander$AttributeInterceptor .expand(197) | Cannot expand 
file as property openjms.home is not defined

log4j:ERROR Could not open [${openjms.home}/config/log4j.xml].
java.io.FileNotFoundException: ${openjms.home}\config\log4j.xml
...
-------------------------------------------------------------------------

Because the OPENJMS_HOME is correctly defined as system environment variable,
I don't know the reason.

Can anybody tell me the reason? 

Thanks,
Lee



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