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.interceor.doIntercept(AnnotationValidationInterceptor.java:68)

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

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