ClassCastException while deploying with Maven 2.=

[rana24]

Hi ,
We have our application which has ejb classes (version 2.0) . The .ear works fine when it is built with Maven 1.02 . But the same source code when we build using maven 2.0.9 , We get ClassCastException , while doing JNDI lookUp for ejb

for servlet ArcExpress threw exception
java.lang.ClassCastException: $Proxy80
 at com.alservices.mcdimaging.businessdelegate.SaveFileDataBD.<init>(SaveFileDataBD.java:95)
 at org.apache.jsp.pages.mcdexpress.McdExpressList_jsp._jspService(McdExpressList_jsp.java:173)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
 at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:445)
 at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
 at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
 at com.alservices.mcdimaging.controller.MCDExpressServlet.doGet(MCDExpressServlet.java:158)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
 at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
 at java.lang.Thread.run(Thread.java:595)

Awaiting 4 some pointer.

Thanks in adavance.