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

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

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

sun.reflect.GeneratedMethodAccessor38.invoke(Unknown Source)

<b>exception</b>