// specific and they can't be read as bytes using the read methods anyway.
      if (attrs.isDirectory()) {
        throw new IOException("can't read: is a directory");
      } else if (attrs.isSymbolicLink()) {
        throw new IOException("can't read: is a symbolic link");
      }

      return attrs.size();
    }

    @Override
    public byte[] read() throws IOException {

                    disconnect(true);
                    throw new NbtException(NbtException.ERR_SSN_SRVC, errorCode);
                }
                break;
            case -1:
                disconnect(true);
                throw new NbtException(NbtException.ERR_SSN_SRVC, NbtException.CONNECTION_REFUSED);
            default:
                disconnect(true);
                throw new NbtException(NbtException.ERR_SSN_SRVC, 0);

                    cleanupThread(timeout);
                    throw new ConnectionTimeoutException("Connection timeout");
                case 2:
                    if ( this.te != null ) { /* doConnect throw Exception */
                        this.state = 4; /* error */
                        cleanupThread(timeout);
                        throw this.te;
                    }
                    this.state = 3; /* Success! */

        {
            int b = s.read();
            if (b < 31)
            {
                if (b < 0)
                {
                    throw new EOFException("EOF found inside tag value.");
                }
                throw new IOException("corrupted stream - high tag number < 31 found");
            }

            tagNo = b & 0x7f;

            // X.690-0207 8.1.2.4.2

        }
        else if ( usage < 0 ) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }


    /**
     * @return the sessionKey
     * @throws CIFSException
     */
    @Override
    public byte[] getSessionKey () throws CIFSException {
        if ( this.sessionKey == null ) {
            throw new CIFSException("No session key available");
        }

 *       assertions are for. Note that assertions are not enabled by default; they are essentially
 *       considered "compiled comments."
 *   <li>An explicit {@code if/throw} (as illustrated below) is always acceptable; we still
 *       recommend using our {@link VerifyException} exception type. Throwing a plain {@link
 *       RuntimeException} is frowned upon.

            }
        } catch (ConnectionException e) {
            throw new TransferFailedException("Connection failed: " + e.getMessage(), e);
        } catch (AuthenticationException e) {
            throw new TransferFailedException("Authentication failed: " + e.getMessage(), e);
        } catch (AuthorizationException e) {
            throw new TransferFailedException("Authorization failed: " + e.getMessage(), e);

    val length =
      when {
        length0 == 0b1000_0000 -> {
          throw ProtocolException("indefinite length not permitted for DER")
        }
        (length0 and 0b1000_0000) == 0b1000_0000 -> {
          // Length specified over multiple bytes.
          val lengthBytes = length0 and 0b0111_1111
          if (lengthBytes > 8) {
            throw ProtocolException("length encoded with more than 8 bytes is not supported")

    public T next() {
      try {
        return iterator.next();
      } catch (NoSuchElementException e) {
        nextThrewException = true;
        throw e;
      }
    }

    @Override
    public void remove() {
      if (nextThrewException) {
        throw new IllegalStateException();
      }
      iterator.remove();
    }
  }

  public void testCanCatchSunJavaBug6529795InTargetIterator() {

        if ( token.length <= 0 )
            throw new PACDecodingException("Empty kerberos ApReq");

        ASN1Sequence sequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed Kerberos Ticket", e);