* with a differently behaving {@code loader}. For example, a call that requests a short timeout
   * for an RPC may wait for a similar call that requests a long timeout, or a call by an
   * unprivileged user may return a resource accessible only to a privileged user making a similar
   * call. To prevent this problem, create a key object that includes all values that affect the

   * with a differently behaving {@code loader}. For example, a call that requests a short timeout
   * for an RPC may wait for a similar call that requests a long timeout, or a call by an
   * unprivileged user may return a resource accessible only to a privileged user making a similar
   * call. To prevent this problem, create a key object that includes all values that affect the

      try {
        return sun.misc.Unsafe.getUnsafe();
      } catch (SecurityException tryReflectionInstead) {
      }
      try {
        return java.security.AccessController.doPrivileged(
            new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
              @Override
              public sun.misc.Unsafe run() throws Exception {

  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();
    } catch (SecurityException tryReflectionInstead) {
    }
    try {
      return java.security.AccessController.doPrivileged(
          new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
            @Override
            public sun.misc.Unsafe run() throws Exception {
              Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;

      try {
        unsafe = sun.misc.Unsafe.getUnsafe();
      } catch (SecurityException tryReflectionInstead) {
        try {
          unsafe =
              AccessController.doPrivileged(
                  new PrivilegedExceptionAction<sun.misc.Unsafe>() {
                    @Override
                    public sun.misc.Unsafe run() throws Exception {

  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();
    } catch (SecurityException tryReflectionInstead) {
    }
    try {
      return java.security.AccessController.doPrivileged(
          new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
            @Override
            public sun.misc.Unsafe run() throws Exception {
              Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;

          return sun.misc.Unsafe.getUnsafe();
        } catch (SecurityException e) {
          // that's okay; try reflection instead
        }
        try {
          return java.security.AccessController.doPrivileged(
              new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
                @Override
                public sun.misc.Unsafe run() throws Exception {

   * <p>NOTE: This method is failsafe for security purposes: ALL IPv6 addresses (except localhost
   * (::1)) are hashed to avoid the security risk associated with extracting an embedded IPv4
   * address that might permit elevated privileges.
   *
   * @param ip {@link InetAddress} to "coerce"
   * @return {@link Inet4Address} represented "coerced" address
   * @since 7.0
   */
  public static Inet4Address getCoercedIPv4Address(InetAddress ip) {

      try {
        return Unsafe.getUnsafe();
      } catch (SecurityException tryReflectionInstead) {
        // We'll try reflection instead.
      }
      try {
        return AccessController.doPrivileged(
            (PrivilegedExceptionAction<Unsafe>)
                () -> {
                  Class<Unsafe> k = Unsafe.class;
                  for (Field f : k.getDeclaredFields()) {

  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();
    } catch (SecurityException tryReflectionInstead) {
    }
    try {
      return java.security.AccessController.doPrivileged(
          new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
            @Override
            public sun.misc.Unsafe run() throws Exception {
              Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;