Ran into a similar issue; collector would start and later die. This was after it had been moved to distributed and was running fine for some time. it was saying: org.apache.hadoop.hbase.MasterNotRunningException: java.io.IOException: Can't get master address from ZooKeeper; znode data == null
Caused by: java.io.IOException: Can't get master address from ZooKeeper; znode data == null however the issue was that hbase.rootdir was not HA aware. Once this was set to the nameservice it was fine. The issue evidently appeared when the namenode switched. Anyway, thought I would note this in case someone else ran into it.
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