HTTP Status 500 - String index out e: -10

type Exceptio

message String index out e: -10

description The server entered an internal error that preve from fulfilling this request.

exception

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.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)

.opensymphony.xwork2.interethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)

.opensymphony.xwork2.DefaultAInvocation.invoke(DefaultAInvocation.java:248)

.opensymphony.xwork2.interceptor.versionErrorInterceptor.intercept(versionErrorInterceptor.java:133)

.opensymphony.xwork2.DefaultAInvocation.invoke(DefaultAInvocation.java:248)

.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)

.opensymphony.xwork2.interethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)

.opensymphony.xwork2.DefaultAInvocation.invoke(DefaultAInvocation.java:248)

.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)

.opensymphony.xwork2.