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  1. Couchbase Server
  2. MB-58446

FTS Rebalance fails while upgrading server

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      Test involves upgrading couchbase from 6.6 to 7.2.1. While adding 7.2.1 nodes rebalance for FTS fails with the following error:

      [2023-08-29 04:14:39,579] - [rest_client:3999] ERROR - {'node': 'ns_1@172.23.108.48', 'type': 'critical', 'code': 0, 'module': 'ns_orchestrator', 'tstamp': 1693307639606, 'shortText': 'message', 'text': 'Rebalance exited with reason {service_rebalance_failed,fts,\n                              {worker_died,\n                               {\'EXIT\',<0.16200.0>,\n                                {rebalance_failed,\n                                 {service_error,\n                                  <<"planner: indexDefs.ImplVersion: 5.6.0 > version: 5.5.0">>}}}}}.\nRebalance Operation Id = dd791515659b1f59bed8825f01c81dff', 'serverTime': '2023-08-29T04:13:59.606Z'}
      [2023-08-29 04:14:39,579] - [rest_client:3999] ERROR - {'node': 'ns_1@172.23.108.48', 'type': 'info', 'code': 0, 'module': 'ns_orchestrator', 'tstamp': 1693307639367, 'shortText': 'message', 'text': "Starting rebalance, KeepNodes = ['ns_1@172.23.109.105'], EjectNodes = ['ns_1@172.23.108.48',\n                                                                       'ns_1@172.23.109.107'], Failed over and being ejected nodes = []; no delta recovery nodes; Operation Id = dd791515659b1f59bed8825f01c81dff", 'serverTime': '2023-08-29T04:13:59.367Z'} 

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            sarthak.dua Sarthak Dua
            sarthak.dua Sarthak Dua
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              PagerDuty