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  1. Couchbase Server
  2. MB-61636

Rebalance failed with reason 'dcp_wait_for_data_move_failed::unexpected_status,connection_does_not_exist'

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    Description

      Build: 7.6.2-3551

      Steps:

      • 3 node cluster, magma bucket with replica=1
      • Load 100K items as initial load
      • Rebalance in new node

        +---------------+-----------------------+------+--------------+
        | Nodes         | Version               | CPU  | Status       |
        +---------------+---------------------------------+------------
        | 172.23.108.67 | 7.6.2-3551-enterprise | 4.10 | Cluster node |
        | 172.23.108.68 | 7.6.2-3551-enterprise | 3.80 | Cluster node |
        | 172.23.108.69 | 7.6.2-3551-enterprise | 3.87 | Cluster node |
        | 172.23.108.70 |                       |      | <--- IN ---  |
        +---------------+-----------------------+------+--------------+

      • Trigger compaction when reblance is running

      Observation:

      [error_logger:error,2024-04-24T03:35:02.422-07:00,ns_1@172.23.108.67:<0.2487.1242>:ale_error_logger_handler:do_log:101]
      =========================CRASH REPORT=========================
        crasher:
          initial call: ns_single_vbucket_mover:'-wait_dcp_data_move/5-fun-0-'/0
          pid: <0.2487.1242>
          registered_name: []
          exception error: {dcp_wait_for_data_move_failed,"default",1004,
                               'ns_1@172.23.108.69',
                               ['ns_1@172.23.108.70','ns_1@172.23.108.68'],
                               {error,
                                   {unexpected_status,
                                       <<"connection_does_not_exist">>},
                                   "Error getting dcp stats on 'ns_1@172.23.108.69' for bucket \"default\", partition 1004, connection \"replication:ns_1@172.23.108.69->ns_1@172.23.108.70:default\": {unexpected_status,\n                                                                                                                                                                <<\"connection_does_not_exist\">>}"}}
            in function  ns_single_vbucket_mover:'-wait_dcp_data_move/5-fun-0-'/5 (src/ns_single_vbucket_mover.erl, line 453)
          ancestors: [<0.723.1242>,<0.32375.1241>,<0.29858.1241>]
          message_queue_len: 0
          messages: []
          links: [<0.723.1242>]
          dictionary: []
          trap_exit: false
          status: running
          heap_size: 2586
          stack_size: 28
          reductions: 3564
        neighbours:
       
      [ns_server:error,2024-04-24T03:35:02.422-07:00,ns_1@172.23.108.67:<0.723.1242>:ns_single_vbucket_mover:spawn_and_wait:81]Got unexpected exit signal {'EXIT',<0.2487.1242>,
                                  {{dcp_wait_for_data_move_failed,"default",1004,
                                    'ns_1@172.23.108.69',
                                    ['ns_1@172.23.108.70','ns_1@172.23.108.68'],
                                    {error,
                                     {unexpected_status,
                                      <<"connection_does_not_exist">>},
                                     "Error getting dcp stats on 'ns_1@172.23.108.69' for bucket \"default\", partition 1004, connection \"replication:ns_1@172.23.108.69->ns_1@172.23.108.70:default\": {unexpected_status,\n                                                                                                                                                                <<\"connection_does_not_exist\">>}"}},
                                   [{ns_single_vbucket_mover,
                                     '-wait_dcp_data_move/5-fun-0-',5,
                                     [{file,"src/ns_single_vbucket_mover.erl"},
                                      {line,453}]},
                                    {proc_lib,init_p,3,
                                     [{file,"proc_lib.erl"},{line,225}]}]}}
      [ns_server:error,2024-04-24T03:35:02.422-07:00,ns_1@172.23.108.67:<0.723.1242>:misc:sync_shutdown_many_i_am_trapping_exits:1515]Shutdown of the following failed: [{<0.2487.1242>,
                                          {{dcp_wait_for_data_move_failed,
                                            "default",1004,'ns_1@172.23.108.69',
                                            ['ns_1@172.23.108.70',
                                             'ns_1@172.23.108.68'],
                                            {error,
                                             {unexpected_status,
                                              <<"connection_does_not_exist">>},
                                             "Error getting dcp stats on 'ns_1@172.23.108.69' for bucket \"default\", partition 1004, connection \"replication:ns_1@172.23.108.69->ns_1@172.23.108.70:default\": {unexpected_status,\n                                                                                                                                                                <<\"connection_does_not_exist\">>}"}},
                                           [{ns_single_vbucket_mover,
                                             '-wait_dcp_data_move/5-fun-0-',5,
                                             [{file,
                                               "src/ns_single_vbucket_mover.erl"},
                                              {line,453}]},
                                            {proc_lib,init_p,3,
                                             [{file,"proc_lib.erl"},{line,225}]}]}}]

       

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              navdeep.boparai Navdeep Boparai
              ashwin.govindarajulu Ashwin Govindarajulu
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                Resolved:

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