public boolean hasNext() {
      while (!checkNotNull(iterator).hasNext()) {
        // this weird checkNotNull positioning appears required by our tests, which expect
        // both hasNext and next to throw NPE if an input iterator is null.

        topMetaIterator = getTopMetaIterator();
        if (topMetaIterator == null) {
          return false;
        }

        iterator = topMetaIterator.next();

    public boolean hasNext() {
      while (!checkNotNull(iterator).hasNext()) {
        // this weird checkNotNull positioning appears required by our tests, which expect
        // both hasNext and next to throw NPE if an input iterator is null.

        topMetaIterator = getTopMetaIterator();
        if (topMetaIterator == null) {
          return false;
        }

        iterator = topMetaIterator.next();

            oplockLevelField.setAccessible(true);
            oplockLevelField.set(notification, (byte) 0x01);

            // The implementation calls Hexdump.toHexString which throws NPE on null
            // This test verifies the actual behavior
            assertThrows(NullPointerException.class, () -> notification.toString());
        }

        @ParameterizedTest

   * CacheInterceptor writes it to disk. This creates the bug condition: url.isHttps=true
   * but handshake=null. Before the fix, `handshake!!` in writeTo() threw NPE.
   *
   * https://github.com/square/okhttp/issues/8962
   */
  @Test
  fun httpsResponseWithNullHandshakeDoesNotCrashWriteTo() {
    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(

- Fix CVE-2020-8555 for Gluster client connections. ([#97922](https://github.com/kubernetes/kubernetes/pull/97922), [@liggitt](https://github.com/liggitt)) [SIG Storage]
- Fix NPE in ephemeral storage eviction ([#98261](https://github.com/kubernetes/kubernetes/pull/98261), [@wzshiming](https://github.com/wzshiming)) [SIG Node]