struts2中文件上传出错！

2013-4-6 20:31:12 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn 警告: Error setting expression 'uploadfile' with value

'[Ljava.lang.String;@10eaeda' ognl.MethodFailedException: Method "setUploadfile" failed for object

com.upload.action.UploadAction@14362d9 [java.lang.NoSuchMethodException:

com.upload.action.UploadAction.setUploadfile([Ljava.lang.String;)] at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1289) at ognl.OgnlRuntime.setMethodValue(OgnlRuntime.java:1478) at ognl.ObjectPropertyAccessor.setPossibleProperty

(ObjectPropertyAccessor.java:85) at ognl.ObjectPropertyAccessor.setProperty

(ObjectPropertyAccessor.java:162) at com.opensymphony.xwork2.ognl.accessor.ObjectAccessor.setProperty

(ObjectAccessor.java:27) at ognl.OgnlRuntime.setProperty(OgnlRuntime.java:2315) at

com.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor.setProperty

(CompoundRootAccessor.java:77) at ognl.OgnlRuntime.setProperty(OgnlRuntime.java:2315) at ognl.ASTProperty.setValueBody(ASTProperty.java:127) at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:220) at ognl.SimpleNode.setValue(SimpleNode.java:301) at ognl.Ognl.setValue(Ognl.java:737) at com.opensymphony.xwork2.ognl.OgnlUtil.setValue(OgnlUtil.java:217) at com.opensymphony.xwork2.ognl.OgnlValueStack.trySetValue

(OgnlValueStack.java:186) at com.opensymphony.xwork2.ognl.OgnlValueStack.setValue

(OgnlValueStack.java:173) at com.opensymphony.xwork2.ognl.OgnlValueStack.setParameter

(OgnlValueStack.java:151) at

com.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters

(ParametersInterceptor.java:317) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept

(ParametersInterceptor.java:228) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept

(MethodFilterInterceptor.java:98) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept

(ParametersInterceptor.java:236) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept

(MethodFilterInterceptor.java:98) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at

com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept

(StaticParametersInterceptor.java:190) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.MultiselectInterceptor.intercept

(MultiselectInterceptor.java:75) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.CheckboxInterceptor.intercept

(CheckboxInterceptor.java:90) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.FileUploadInterceptor.intercept

(FileUploadInterceptor.java:243) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept

(ModelDrivenInterceptor.java:100) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at

com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept

(ScopedModelDrivenInterceptor.java:141) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept

(ChainingInterceptor.java:145) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept

(PrepareInterceptor.java:171) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept

(MethodFilterInterceptor.java:98) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept

(I18nInterceptor.java:176) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept

(ServletConfigInterceptor.java:164) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept

(AliasInterceptor.java:192) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at

com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept

(ExceptionMappingInterceptor.java:187) at com.opensymphony.xwork2.DefaultActionInvocation.invoke

(DefaultActionInvocation.java:249) at org.apache.struts2.impl.StrutsActionProxy.execute

(StrutsActionProxy.java:54) at org.apache.struts2.dispatcher.Dispatcher.serviceAction

(Dispatcher.java:511) at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction

(ExecuteOperations.java:77) at

org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter

(StrutsPrepareAndExecuteFilter.java:91) 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:233) at org.apache.catalina.core.StandardContextValve.invoke

(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke

(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke

(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke

(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service

(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process

(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol

$Http11ConnectionHandler.process(Http11Protocol.java:602) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run

(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.NoSuchMethodException:

com.upload.action.UploadAction.setUploadfile([Ljava.lang.String;) at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1230) ... 63 more /-- Encapsulated exception ------------\ java.lang.NoSuchMethodException: com.upload.action.UploadAction.setUploadfile

([Ljava.lang.String;) at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1230) at ognl.OgnlRuntime.setMethodValue(OgnlRuntime.java:1478) at ognl.ObjectPropertyAccessor.setPossibleProperty