import sun.security.krb5.internal.ReplayCache; //导入依赖的package包/类
public static void main(String[] args) throws Exception {

        AuthTimeWithHash a1 = new AuthTimeWithHash(client, server, time(0), 0,
                "1111111111111111");
        AuthTimeWithHash a2 = new AuthTimeWithHash(client, server, time(0), 0,
                "2222222222222222");
        KerberosTime now = new KerberosTime(time(0)*1000L);

        // When all new styles, must exact match
        ReplayCache cache = ReplayCache.getInstance("dfl:./c1");
        cache.checkAndStore(now, a1);
        cache.checkAndStore(now, a2);

        // When only old style in cache, partial match
        cache = ReplayCache.getInstance("dfl:./c2");
        cache.checkAndStore(now, a1);
        // A small surgery to remove the new style from the cache file
        SeekableByteChannel ch = Files.newByteChannel(Paths.get("c2"),
                StandardOpenOption.WRITE,
                StandardOpenOption.READ);
        ch.position(6);
        ch.write(ByteBuffer.wrap(a1.encode(false)));
        ch.truncate(ch.position());
        ch.close();
        try {
            cache.checkAndStore(now, a2);
            throw new Exception();
        } catch (KrbException ke) {
            // Correct
            System.out.println(ke);
        }
    }
 

import sun.security.krb5.internal.ReplayCache; //导入依赖的package包/类
public static void main(String[] args) throws Exception {

        AuthTimeWithHash a1 = new AuthTimeWithHash(client, server, time(0), 0,
                "HASH", "1111111111111111");
        AuthTimeWithHash a2 = new AuthTimeWithHash(client, server, time(0), 0,
                "HASH", "2222222222222222");
        KerberosTime now = new KerberosTime(time(0)*1000L);

        // When all new styles, must exact match
        ReplayCache cache = ReplayCache.getInstance("dfl:./c1");
        cache.checkAndStore(now, a1);
        cache.checkAndStore(now, a2);

        // When only old style in cache, partial match
        cache = ReplayCache.getInstance("dfl:./c2");
        cache.checkAndStore(now, a1);
        // A small surgery to remove the new style from the cache file
        SeekableByteChannel ch = Files.newByteChannel(Paths.get("c2"),
                StandardOpenOption.WRITE,
                StandardOpenOption.READ);
        ch.position(6);
        ch.write(ByteBuffer.wrap(a1.encode(false)));
        ch.truncate(ch.position());
        ch.close();
        try {
            cache.checkAndStore(now, a2);
            throw new Exception();
        } catch (KrbException ke) {
            // Correct
            System.out.println(ke);
        }
    }