I'm trying to import java code and then export the xmi file for that code, I added the following jars to my classpath: argouml.jar, antlrall.jar, argouml-model.jar, gef.jar, log4j.jar.
But when I tryed to import by using
     Import imp = new Import();
I've got this error:
log4j:WARN No appenders could be found for logger (org.argouml.application.configuration.ConfigurationProperties).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" java.lang.RuntimeException: Internal error. No import modules defined
      at org.argouml.uml.reveng.Import.<init>(Import.java:168)
NOTE: I'm using  ArgoUML-0.20.BETA_2, and Eclipse3.1.
Thanks in Advance,

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