cshannon opened a new issue, #4166:
URL: https://github.com/apache/accumulo/issues/4166

   The manager was updated to support multiple Fate instance types and to use 
an AccumuloStore for user tables in #4133 which has now introduced an exception 
on start up in the Tablet server log file.
   
   Currently the Accumulo store uses the AgeOff store (just like zookeeper) so 
on initialization the list of existing transactions is loaded. This means while 
the Manager is still starting up and initializing the store it will scan the 
Fate table which in turn causes the Tablet sever that accepts the scan to log 
an exception. This exception is due to the tablet server loading a tablet and 
trying to send a message back to the Manager over the manager RPC channel that 
the tablet was loaded, but because the Manager hasn't finished starting yet, 
the Tablet server can't connect back to the Manager over the rpc channel yet so 
an error is logged. 
   
   Eventually a retry happens and the message is passed back successfully so 
this is not really a huge issue as the scan completes successfully and 
eventually the message gets sent back but it does cause an ugly error message 
on start up.
   
   This may be resolved by https://github.com/apache/accumulo/issues/4130 and 
https://github.com/apache/accumulo/pull/3964 but adding this issue to track it 
separately


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