corba客户端rt.jar和jacorb.jar冲突问题，急求，在线等！

兄弟目前编译corba客户端遇见问题，在调用服务端服务的时候报错，在网上查了下好像是用了sun的ORB，我发现jacorb.jar和jdk中rt.jar都包含有org.omg.CORBA.ORB这个类路径，请问在eclipse中如何设置才能用jacorb中的org.omg.CORBA.ORB这个类编译呢？万分感谢，在线等！
报错信息如下：
2013-03-23 15:05:07 ERROR (com.ztesoft.zsmart.uip.adapters.nec.sdh.NecCorbaInterface.login(NecCorbaInterface.java:264)) -> org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
at com.sun.corba.se.impl.logging.ORBUtilSystemException.connectFailure(Unknown Source)
at com.sun.corba.se.impl.logging.ORBUtilSystemException.connectFailure(Unknown Source)
at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.<init>(Unknown Source)
at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.<init>(Unknown Source)
at com.sun.corba.se.impl.transport.SocketOrChannelContactInfoImpl.createConnection(Unknown Source)
at com.sun.corba.se.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(Unknown Source)
at com.sun.corba.se.impl.protocol.CorbaClientDelegateImpl.request(Unknown Source)
at org.omg.CORBA.portable.ObjectImpl._request(Unknown Source)
at com.nec.tran.v1.emsSessionFactory._EmsSessionFactory_IStub.getEmsSession(_EmsSessionFactory_IStub.java:75)
at com.ztesoft.zsmart.uip.adapters.nec.sdh.NecCorbaInterface.login(NecCorbaInterface.java:223)
at com.ztesoft.zsmart.uip.adapters.nec.sdh.NecCorbaInterface.invokeInterface(NecCorbaInterface.java:97)
at com.ztesoft.zsmart.uip.adapters.nec.sdh.NecCorbaInterface.perform(NecCorbaInterface.java:64)
at com.ztesoft.zsmart.core.service.ActionDispatch.perform(ActionDispatch.java:16)
at com.ztesoft.zsmart.core.service.invoke.InvokeNativeService.processSingleService(InvokeNativeService.java:158)
at com.ztesoft.zsmart.core.service.invoke.InvokeNativeService.invoke(InvokeNativeService.java:95)
at com.ztesoft.zsmart.core.service.invoke.InvokeNativeService.invoke(InvokeNativeService.java:46)
at com.ztesoft.zsmart.core.service.interceptor.ServiceInvocation.invoke(ServiceInvocation.java:63)
at com.ztesoft.zsmart.core.service.interceptor.CatchServiceExceptionInterceptor.interceptor(CatchServiceExceptionInterceptor.java:117)
at com.ztesoft.zsmart.core.service.interceptor.ServiceInvocation.invoke(ServiceInvocation.java:59)
at com.ztesoft.zsmart.core.service.interceptor.ServiceLoggingInterceptor.interceptor(ServiceLoggingInterceptor.java:25)
at com.ztesoft.zsmart.core.service.interceptor.ServiceInvocation.invoke(ServiceInvocation.java:59)
at com.ztesoft.zsmart.core.service.interceptor.LoggingServiceInterceptor.interceptor(LoggingServiceInterceptor.java:36)
at com.ztesoft.zsmart.core.service.interceptor.ServiceInvocation.invoke(ServiceInvocation.java:59)
at com.ztesoft.zsmart.core.service.ServiceFlow.callService0(ServiceFlow.java:150)
at com.ztesoft.zsmart.core.service.ServiceFlow.callService(ServiceFlow.java:58)
at com.ztesoft.zsmart.core.service.HttpCall.callService(HttpCall.java:30)
at com.ztesoft.zsmart.web.handler.intf.impl.WebServiceEngineImpl.execute(WebServiceEngineImpl.java:104)
at com.ztesoft.zsmart.web.handler.WebHandler.execute(WebHandler.java:76)
at com.ztesoft.zsmart.web.handler.BusiFacadeServlet.service(BusiFacadeServlet.java:36)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.ztesoft.zsmart.web.filter.CrossSiteRequestFilter.doFilter(CrossSiteRequestFilter.java:70)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.ztesoft.zsmart.web.filter.PermissionFilter.doFilter(PermissionFilter.java:71)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.ztesoft.zsmart.web.filter.SessionFilter.doFilter(SessionFilter.java:182)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.ztesoft.zsmart.web.filter.LocaleFilter.doFilter(LocaleFilter.java:74)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Unknown Source)
Caused by: java.nio.channels.UnresolvedAddressException
at sun.nio.ch.Net.checkAddress(Unknown Source)
at sun.nio.ch.SocketChannelImpl.connect(Unknown Source)
at java.nio.channels.SocketChannel.open(Unknown Source)
at com.sun.corba.se.impl.transport.DefaultSocketFactoryImpl.createSocket(Unknown Source)
... 54 more