}
	if !sa.Credentials.IsServiceAccount() {
		return UserIdentity{}, nil, errNoSuchServiceAccount
	}

	var embeddedPolicy *policy.Policy

	pt, ptok := jwtClaims.Lookup(iamPolicyClaimNameSA())
	sp, spok := jwtClaims.Lookup(policy.SessionPolicyName)
	if ptok && spok && pt == embeddedPolicyType {
		policyBytes, err := base64.StdEncoding.DecodeString(sp)
		if err != nil {
			return UserIdentity{}, nil, err
		}

            plugin = new Plugin();
            plugin.setGroupId(tok[0]);
            plugin.setArtifactId(tok[1]);
            plugin.setVersion(tok[2]);
            goal.append(tok[3]);

            // This won't be valid, but it constructs something easy to read in the error message
            for (int idx = 4; idx < tok.length; idx++) {
                goal.append(":").append(tok[idx]);
            }
        } else if (numTokens == 3) {

                if (minorVersion == null) {
                    fallback = true;
                }
            }
            if (idx < tok.length) {
                incrementalVersion = getNextIntegerToken(tok[idx++]);
                if (incrementalVersion == null) {
                    fallback = true;
                }
            }
            if (idx < tok.length) {
                qualifier = tok[idx];

            StringBuilder tokBuf = new StringBuilder(10);
            String tok;
            boolean inQuote = false;
            boolean tokStarted = false;
            boolean exit = false;
            while ((st.hasMoreTokens()) && (!exit)) {
                tok = st.nextToken(tokenList);
                switch (tok) {
                    case "\"":
                        inQuote = !inQuote;

            StringBuilder tokBuf = new StringBuilder(10);
            String tok;
            boolean inQuote = false;
            boolean tokStarted = false;
            boolean exit = false;
            while ((st.hasMoreTokens()) && (!exit)) {
                tok = st.nextToken(tokenList);
                switch (tok) {
                    case "\"":
                        inQuote = !inQuote;

     */
    static class TestSpnegoToken extends SpnegoToken {
        private boolean parsed = false;

        @Override
        public byte[] toByteArray() {
            byte[] tok = getMechanismToken();
            return tok == null ? new byte[0] : tok;
        }

        @Override
        protected void parse(byte[] token) throws IOException {
            if (token == null) {
                throw new IOException("token is null");

        }
        try {
            NegTokenInit tok = new NegTokenInit(initialToken);
            if (log.isDebugEnabled()) {
                log.debug("Have initial token " + tok);
            }
            if (tok.getMechanisms() != null) {
                Set<ASN1ObjectIdentifier> mechs = new HashSet<>(Arrays.asList(tok.getMechanisms()));
                boolean foundKerberos = false;

                    byte[] tok = new byte[] { 0x04, 0x01 };
                    byte[] buf = new byte[2 + 2 + der.length + 4];
                    int p = 0;
                    buf[p++] = tok[0];
                    buf[p++] = tok[1];
                    buf[p++] = 0x00;
                    buf[p++] = (byte) der.length;

    private static byte[] spnegoInitWithMechs(ASN1ObjectIdentifier... mechs) {
        // Build a minimal SPNEGO NegTokenInit containing the provided mechanisms
        NegTokenInit tok = new NegTokenInit(mechs, 0, null, null);
        return tok.toByteArray();
    }

    @Test
    @DisplayName("createContext: rejects NetBIOS/short host names")
    void createContext_rejectsShortNetbiosHost() {

Endpoint:  http://192.168.1.92:9000  http://65.19.167.92:9000
AccessKey: MVPSPBW4NP2CMV1W3TXD
SecretKey: X3RKxEeFOI8InuNWoPsbG+XEVoaJVCqbvxe+PTOa
...
...
```

Instance is now accessible on the host at port 9000, proceed to access the Web browser at <http://127.0.0.1:9000/>

## Explore Further