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我在wicket.I中編程嘗試上傳文件在我的服務器上。但是當我這樣做時，上傳「錯誤克隆對象」時出現錯誤，下面是詳細信息錯誤，我得到所需Wicket：克隆對象中的內部錯誤
Page [Page class = com.pcmc.theka.pages.TrnThUploadTenderDocument, id = 3] couldn't be cloned to move to another pagemap
wicket.WicketRuntimeException: Internal error cloning object
at wicket.util.lang.Objects.cloneObject(Objects.java:362)
at wicket.markup.html.WebPage.onNewBrowserWindow(WebPage.java:337)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:163)
at wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:74)
at wicket.request.compound.DefaultEventProcessorStrategy.processEvents(DefaultEventProcessorStrategy.java:65)
at wicket.request.compound.AbstractCompoundRequestCycleProcessor.processEvents(AbstractCompoundRequestCycleProcessor.java:57)
at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:846)
at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:879)
at wicket.RequestCycle.step(RequestCycle.java:960)
at wicket.RequestCycle.steps(RequestCycle.java:1034)
at wicket.RequestCycle.request(RequestCycle.java:453)
at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:215)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.NotSerializableException: org.apache.catalina.core.ApplicationContextFacade
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at wicket.util.lang.Objects.cloneObject(Objects.java:351)
... 33 more
幫助......