我收到以下错误。这是什么意思以及如何解决？
Unable to deploy EJB : xxxEJB from xx.JAR
Error deployin gthe EJB 'xxxEJB, the JNDI name 'xxxEJB' is already in use.
You must set a different JNDI name in weblogic-ejb-jar.xml deployment descriptor or corresponding annotation for this EJB before it can be deployed.
谢谢您的帮助。