com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)

com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)

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

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

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

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

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

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

org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)

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

java.lang.reflect.Method.invoke(Method.java:606)

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

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

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)