Gentoo + Tomcat 6 + Alfresco Labs 3b = Error

[hoyanf]

I've got this error on Alfresco Labs 3B :-

18:22:06,862 INFO  [org.alfresco.config.xml.XMLConfigService$PropertyConfigurer] Loading properties file from class path resource [alfresco/file-servers.properties]
18:22:09,045 ERROR [org.springframework.web.context.ContextLoader] Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.remoting.rmi.RmiServiceExporter' defined in class path resource [alfresco/emailserver/email-service-context.xml]: Invocation of init method failed; nested exception is java.rmi.server.ExportException: internal error: ObjID already in use
Caused by: java.rmi.server.ExportException: internal error: ObjID already in use
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[jm_pascal]

Can you check if you have your RMI port already in use (50500) ?