* fallback}. {@link Function#apply} is not invoked until the primary input has failed, so if the
   * primary input succeeds, it is never invoked. If, during the invocation of {@code fallback}, an
   * exception is thrown, this exception is used as the result of the output {@code Future}.
   *
   * <p>Usage example:
   *
   * {@snippet :

    - [Server binaries](#server-binaries-3)
    - [Node binaries](#node-binaries-3)
  - [Changelog since v1.18.16](#changelog-since-v11816)
  - [Changes by Kind](#changes-by-kind-3)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-3)
  - [Dependencies](#dependencies-3)
    - [Added](#added-3)
    - [Changed](#changed-3)
    - [Removed](#removed-3)
- [v1.18.16](#v11816)

    - [Node Binaries](#node-binaries-7)
  - [Changelog since v1.21.6](#changelog-since-v1216)
  - [Changes by Kind](#changes-by-kind-6)
    - [Feature](#feature-4)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-6)
  - [Dependencies](#dependencies-7)
    - [Added](#added-7)
    - [Changed](#changed-7)
    - [Removed](#removed-7)
- [v1.21.6](#v1216)

  public static String nullToEmpty(@Nullable String string) {
    return Platform.nullToEmpty(string);
  }

  /**
   * Returns the given string if it is nonempty; {@code null} otherwise.
   *
   * @param string the string to test and possibly return
   * @return {@code string} itself if it is nonempty; {@code null} if it is empty or null
   */
  public static @Nullable String emptyToNull(@Nullable String string) {

https://github.com/google/guava/wiki/HowToContribute#code-contributions
and
https://github.com/google/guava/blob/master/CONTRIBUTING.md
before sending a pull request.

We generally welcome PRs for fixing trivial bugs or typos, but please refrain
from sending a PR with significant changes unless explicitly requested.

are working on. And as mentioned above, API changes should be discussed
thoroughly before moving to code.

Some examples of types of pull requests that are immediately helpful:

  - Fixing a bug without changing a public API.
  - Fixing or improving documentation.
  - Improvements to Maven configuration.

Guidelines for any code contributions:

  1. Any significant changes should be accompanied by tests. The project already

* federation service controller: fixing the logic to update DNS records ([#27999](https://github.com/kubernetes/kubernetes/pull/27999), [@quinton-hoole](https://github.com/quinton-hoole))

   * compaction; that file should be deleted if it exists when the cache is opened.
   */

  private val journalFile: Path
  private val journalFileTmp: Path
  private val journalFileBackup: Path
  private var size: Long = 0L
  private var journalWriter: BufferedSink? = null
  internal val lruEntries = LinkedHashMap<String, Entry>(0, 0.75f, true)

---
name: Bug report
about: Create a report to help us improve
title: ''
labels: bug
assignees: ''

---

(_Please use [discuss.codelibs.org](https://discuss.codelibs.org/c/FessEN/8) before filing a bug._)

**Describe the bug**
A clear and concise description of what the bug is.

**To Reproduce**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

- Apiserver repair controller is resilient to etcd errors during bootstrap and retries during 30 seconds before failing. ([#126671](https://github.com/kubernetes/kubernetes/pull/126671), [@fusida](https://github.com/fusida)) [SIG Network]