If you’re testing out one of the examples or somehow accidentally have a clusterID that is different and have not set a specific directory to store the data. Hadoop by default puts the data and Version file in /tmp/hadoop-{user}/dfs folder. In there you can see that the data and name folders have a current folder with a version file. This is where the CID is located. I deleted these folders since I wasn’t working on anything critical but I think shutting down and changing the cluster ID in all the version files that you are using will solve this problem
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