Edit D:\app\Administrator\product\11.2.0\dbhome_1\jdk\jre\lib\sun\nio\ch\IOVecWrapper.class
?? 1 D ()I ()J ()V (I)V (II)V (IJ)V (IZ)V <clinit> <init> BASE_OFFSET Code I J LEN_OFFSET LineNumberTable SIZE_IOVEC SourceFile address addressSize free java/lang/Object putBase putInt putLen putLong sun/misc/Unsafe sun/nio/ch/AllocatedNativeObject sun/nio/ch/IOVecWrapper sun/nio/ch/Util unsafe vecArray "Lsun/nio/ch/AllocatedNativeObject; ()Lsun/misc/Unsafe; % & # ' # ( # ) # * # + # , / ! - "