Hi, The error message below 2020-01-14 02:22:42,621 ERROR com.cloudera.cmf.scheduler-1_Worker-1:com.cloudera.cmf.scheduler.CommandDispatcherJob: Failed to invoke command (HdfsScheduledSnapshotsCommand) for schedule (8) com.cloudera.cmf.command.CmdExecException: java.lang.NullPointerException Suggest that there is some value in the scheduled HDFS snapshot replication which is all and causing issue. You might even have issue when you try to browse the replication schedule pages. You might have to remove the snapshot for HDFS if you have any and re-enable the snapshot. Please browser to "Backups->Snapshot policies" and check if you have any. Try to remove them and re-add them.
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