<b>message</b> <u>String index out of range: -10</u></p>\r

<b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p>\r

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

java.lang.StringIndexOutOfBoundsException: String index out of range: -10

com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:133)

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)

org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)

org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)

<b>exception</b>

java.lang.String.substring(String.java:1911)

org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)

com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)