按教程部署EAR到JBOSS后,运行testEJB.jsp文件,抛出如下EXCEPTIONorg.apache.jasper.JasperException: java.lang.Exception: javax.ejb.TransactionRolledbackLocalException: createBeanClassInstanceCommand == null; CausedByException is:
createBeanClassInstanceCommand == null
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service
请告知可能的错误,谢谢!