- The PR adds functionality to generate events when a PV or PVC processing encounters certain failures. The events help users to know the reason for the failure so they can take necessary recovery actions. ([#89845](https://github.com/kubernetes/kubernetes/pull/89845), [@yuga711](https://github.com/yuga711)) [SIG Apps]

    * If the serialization type is 'application/json':
    * If serialization fails, and the original status code was an failure (e.g. 4xx or 5xx), the original status code will be returned.

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test cases for {@link TypeToken}.
 *
 * @author Sven Mawson
 * @author Ben Yu
 */
@AndroidIncompatible // lots of failures, possibly some related to bad equals() implementations?
@NullUnmarked
public class TypeTokenTest extends TestCase {

  private abstract static class StringList implements List<String> {}

- The scheduling queue didn't notice any extenders' failures, it could miss some cluster events,
  and it could end up Pods rejected by Extenders stuck in unschedulable pod pool in 5min in the worst-case scenario.

     * resolved. If the names cannot be resolved (e.g. due to temporary
     * network failure), the said methods will return default values (usually
     * {@code S-X-Y-Z} strings of fragments of).
     * <p>
     * Alternatively {@code getSecurity(true)} may be used to resolve all
     * SIDs together and detect network failures.
     */
    /**
     * Returns the security information for this file
     *

- Introduced PodHasNetwork condition for pods. ([#111358](https://github.com/kubernetes/kubernetes/pull/111358), [@ddebroy](https://github.com/ddebroy))
- Introduced support for handling pod failures with respect to the configured pod failure policy rules. ([#111113](https://github.com/kubernetes/kubernetes/pull/111113), [@mimowo](https://github.com/mimowo))

* fix azure disk mount failure on coreos and some other distros ([#54334](https://github.com/kubernetes/kubernetes/pull/54334), [@andyzhangx](https://github.com/andyzhangx))
* Fix for service controller so that it won't retry on doNotRetry service update failure. ([#54184](https://github.com/kubernetes/kubernetes/pull/54184), [@MrHohn](https://github.com/MrHohn))

        assertThat(throwables!!.size).isEqualTo(1)
      }
    }
  }

  /**
   * When a pooled connection fails, don't blame the route. Otherwise pooled connection failures can
   * cause unnecessary SSL fallbacks.
   *
   * https://github.com/square/okhttp/issues/515
   */
  @Test
  fun sslFallbackNotUsedWhenRecycledConnectionFails() {

        * `beta.kubernetes.io/instance-type`
        * `beta.kubernetes.io/os`
        * `beta.kubernetes.io/arch`
        * `failure-domain.kubernetes.io/zone`
        * `failure-domain.kubernetes.io/region`
        * `failure-domain.beta.kubernetes.io/zone`
        * `failure-domain.beta.kubernetes.io/region`
        * `[*.]kubelet.kubernetes.io/*`
        * `[*.]node.kubernetes.io/*`

        .build()
    val request = Request.Builder().url("http://android.com/").build()
    executeSynchronously(request)
      .assertCode(200)
      .assertBody("success!")

    assertThat(proxySelector.failures)
      .all {
        hasSize(1)
        index(0).matches(".* Connect timed out".toRegex(RegexOption.IGNORE_CASE))
      }
  }

  /** https://github.com/square/okhttp/issues/4875  */
  @Test