HTTP Status 500 - String index out e: -10
type Exceptio
\rmessage String index out e: -10
\rdescription The server entered an internal error that preve from fulfilling this request.
\rexception
java.lang.StringIOfBoundsException: String index out e: -10
java.lang.String.substring(String.java:1911)
.lib.DecryptUtil.fileDecrypt(DecryptUtil.java:22)
.encrypt.A.execute(A.java:59)
sun.reflect.GeedMethodAccessor38.invoke(Unknown Source)
sun.reflect.DelegatihodAcpl.invoke(DelegatihodAcpl.java:43)
java.lang.reflect.Method.ihod.java:606)
.opensymphony.xwork2.DefaultAInvocation.iion(DefaultAInvocation.java:452)
.opensymphony.xwork2.DefaultAInvocation.iionOnly(DefaultAInvocation.java:291)
.opensymphony.xwork2.DefaultAInvocation.invoke(DefaultAInvocation.java:254)
.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
.opensymphony.xwork2.interethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
.opensymphony.xwork2.DefaultAInvocation.invoke(DefaultAInvocation.java:248)
.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
.apache.struts2.interceor.doIntercept(AnnotationValidationInterceptor.java:68)
.opensymphony.xwork2.interethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
.opensymphony.xwork2.DefaultAInvocation.invoke(D
263：真相大白