- Kube-apiserver `--egress-selector-config-file` files are now validated strictly (EnableStrict). Duplicate and unknown fields in the configuration will now cause an error. ([#128011](https://github.com...

    /** The key of the message: Duplicate Name */
    public static final String LABELS_duplicate_name = "{labels.duplicate_name}";

    /** The key of the message: Duplicate Host */
    public static final String LABELS_duplicate_host_configuration = "{labels.duplicate_host_configuration}";

    /** The key of the message: Duplicate Host */

    TF_EXCLUSIVE_LOCKS_REQUIRED(desc->graph->mu) {
  Node* ret = nullptr;

  if (desc->graph->name_map.count(desc->node_builder.node_name())) {
    status->status = InvalidArgument("Duplicate node name in graph: '",
                                     desc->node_builder.node_name(), "'");
  } else {
    if (!desc->colocation_constraints.empty()) {
      desc->node_builder.Attr(

  @SuppressWarnings("unchecked") // impl never uses a parameter or returns any non-null value
  static <E> Queue<E> discardingQueue() {
    return (Queue) DISCARDING_QUEUE;
  }

  /*
   * Note: All of this duplicate code sucks, but it saves a lot of memory. If only Java had mixins!
   * To maintain this code, make a change for the strong reference type. Then, cut and paste, and

			}
			if oi.DeleteMarker && (validReplStatus || replicate) {
				dsc.Set(newReplicateTargetDecision(tgtArn, replicate, sync))
				continue
			}
			// can be the case that other cluster is down and duplicate `mc rm --vid`
			// is issued - this still needs to be replicated back to the other target
			if !oi.VersionPurgeStatus.Empty() {
				replicate = oi.VersionPurgeStatus == Pending || oi.VersionPurgeStatus == Failed

Unfortunately, there is a much rarer second possible failure mode: the replication controller gets renamed to the old name, but there is a duplicate set of pods in the cluster. kubectl will not report an error since it thinks its job is done.

* Adding vmdk file extension for vmDiskPath in vsphere DeleteVolume ([#40538](https://github.com/kubernetes/kubernetes/pull/40538), [@divyenpatel](https://github.com/divyenpatel))
* AWS: Remove duplicate calls to DescribeInstance during volume operations ([#39842](https://github.com/kubernetes/kubernetes/pull/39842), [@gnufied](https://github.com/gnufied))

)

var (
	errSRCannotJoin = SRError{
		Cause: errors.New("this site is already configured for site-replication"),
		Code:  ErrSiteReplicationInvalidRequest,
	}
	errSRDuplicateSites = SRError{
		Cause: errors.New("duplicate sites provided for site-replication"),
		Code:  ErrSiteReplicationInvalidRequest,
	}
	errSRSelfNotFound = SRError{
		Cause: errors.New("none of the given sites correspond to the current one"),

    while (keys.hasNext()) {
      K key = keys.next();
      builder.put(key, valueFunction.apply(key));
    }
    // Using buildKeepingLast() so as not to fail on duplicate keys
    return builder.buildKeepingLast();
  }

  /**
   * Returns a map with the given {@code values}, indexed by keys derived from those values. In

    while (keys.hasNext()) {
      K key = keys.next();
      builder.put(key, valueFunction.apply(key));
    }
    // Using buildKeepingLast() so as not to fail on duplicate keys
    return builder.buildKeepingLast();
  }

  /**
   * Returns a map with the given {@code values}, indexed by keys derived from those values. In