HoustonPutman commented on code in PR #909:
URL: https://github.com/apache/solr/pull/909#discussion_r915032474
##########
solr/solrj/src/java/org/apache/solr/common/cloud/ZkStateReader.java:
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@@ -326,12 +408,11 @@ public void forciblyRefreshAllClusterStateSlow() throws
KeeperException, Interru
// No need to set watchers because we should already have watchers
registered for everything.
refreshCollectionList(null);
refreshLiveNodes(null);
- // Need a copy so we don't delete from what we're iterating over.
- Collection<String> safeCopy = new
ArrayList<>(watchedCollectionStates.keySet());
+
Set<String> updatedCollections = new HashSet<>();
- for (String coll : safeCopy) {
+ for (String coll : collectionWatches.keySet()) {
Review Comment:
Yeah it's not the end of the world to look at the null states as well
probably, since this is the `forciblyRefreshAllClusterStateSlow()` method.
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