madrob commented on code in PR #2651:
URL: https://github.com/apache/lucene-solr/pull/2651#discussion_r857126726
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solr/core/src/java/org/apache/solr/cloud/ZkController.java:
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@@ -2503,7 +2503,8 @@ public static int
persistConfigResourceToZooKeeper(ZkSolrResourceLoader zkLoader
public static void touchConfDir(ZkSolrResourceLoader zkLoader) {
SolrZkClient zkClient = zkLoader.getZkController().getZkClient();
try {
- zkClient.setData(zkLoader.getConfigSetZkPath(), new byte[]{0}, true);
+ byte[] currentData = zkClient.getData(zkLoader.getConfigSetZkPath(),
null, null, true);
+ zkClient.setData(zkLoader.getConfigSetZkPath(), currentData, true);
Review Comment:
Probably a race condition here?
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