Hi all,
Our Single Node Elastic Stack's Stack Monitoring was working all along and stopped working suddenly.
We've took a look at https://github.com/elastic/kibana/issues/33760 but not much information obtained too.
We tried to restart kibana node, problem persist.
Would appriciate if anyone could shed some light onto where should we focus on.
Below are the error shows in kibana
[illegal_argument_exception] unknown type for collapse field `cluster_uuid`, only keywords and numbers are accepted (and) [illegal_argument_exception] unknown type for collapse field `cluster_uuid`, only keywords and numbers are accepted (and) [illegal_argument_exception] unknown type for collapse field `cluster_uuid`, only keywords and numbers are accepted (and) ...
Result for GET _cat/indices
green open .siem-signals-default-000001         HcWN_3esQmGYxJE7XdAuDg 1 0        0      0     208b     208b
green open .monitoring-logstash-7-2020.11.06    UGAL8nGKStebXu4z6h6nCw 1 0    13740      0    9.7mb    9.7mb
green open .monitoring-logstash-7-2020.11.05    j7rEBNp9R3ulzz20MyQJ-Q 1 0    51720      0     35mb     35mb
green open .kibana-event-log-7.9.2-000001       WIbxD6eTT9O_0llIfWfokA 1 0    44083      0    3.1mb    3.1mb
green open .monitoring-logstash-7-2020.11.02    smeXE9SDRc6cEGml1hZU2A 1 0    51726      0     34mb     34mb
green open .monitoring-logstash-7-2020.11.01    abS-XGJxTiWHoIDF3htaBg 1 0    51720      0   33.9mb   33.9mb
green open .monitoring-logstash-7-2020.11.04    pbYfHGWvQHe3EjduYmA3Eg 1 0    51726      0   34.2mb   34.2mb
green open .monitoring-logstash-7-2020.11.03    p71_FfxpQjiPOHVmsHN7aQ 1 0    51714      0   34.2mb   34.2mb
green open .monitoring-logstash-7-2020.10.31    RIl1cjzQRXWTHHyizCrtag 1 0    51726      0   34.2mb   34.2mb
green open .items-default-000001                _Qwb5qh-R26LXC4ghFiQMg 1 0        0      0     208b     208b
green open .monitoring-es-7-2020.11.01          HkVIKRHhSyyP507IMwS0bw 1 0   398372 140280    325mb    325mb
green open .monitoring-es-7-2020.10.31          SiLInfVhQUGQRWXOQY9MhA 1 0   398495 140532  331.7mb  331.7mb
green open .monitoring-es-7-2020.11.05          OQGSEII3Tm-06w6tSEogIA 1 0   398496 139650  322.9mb  322.9mb
green open .apm-custom-link                     YLkiepw8RoC8g0QTNRLRhg 1 0        0      0     208b     208b
green open .kibana_task_manager_1               g_79plDOTbm-YxvHqxgZtg 1 0        7 137118   16.1mb   16.1mb
green open .monitoring-es-7-2020.11.04          pge9QJkxSwW7BnH0OTgCEg 1 0   398370 139692  322.4mb  322.4mb
green open logs-index_pattern_placeholder       _bTO8w8GRom1OKTzBgrKYQ 1 0        0      0     208b     208b
green open .monitoring-es-7-2020.11.03          GWRcE2cTRBiGO3zrsgYvPg 1 0   398409 140028    320mb    320mb
green open .monitoring-kibana-7-2020.10.31      Nkvyb0T0RCuYLO9tfbRbXg 1 0    17278      0    3.9mb    3.9mb
green open .monitoring-es-7-2020.11.02          eOINgLQUSwyADiZZvznXgA 1 0   398416 140112  326.6mb  326.6mb
green open auditbeat-7.9.2-2020.10.27-000001    bHTgHFXVSluqaOef_Q_Bng 1 0   108055      0   37.1mb   37.1mb
green open .monitoring-kibana-7-2020.11.01      2MzMUzCiT_GnsEKJGdiE-Q 1 0    17278      0    3.9mb    3.9mb
green open .monitoring-kibana-7-2020.11.03      PxGrdbUiQW65n_bVgu7zyw 1 0    17278      0    3.9mb    3.9mb
green open .monitoring-kibana-7-2020.11.02      2GBevlPjQL-SUvrv7GYGxQ 1 0    17280      0    3.9mb    3.9mb
green open .monitoring-kibana-7-2020.11.05      rP0QkGeKQDSvb99kxQnL2Q 1 0    17278      0    3.9mb    3.9mb
green open .monitoring-kibana-7-2020.11.04      IDoz-NoeTNqW7yH3Q4h34w 1 0    17278      0    3.9mb    3.9mb
green open .monitoring-kibana-7-2020.11.06      tIlpRY4xRPmLRlk5jpRXVA 1 0     2998      0 1012.2kb 1012.2kb
green open logstash-syslog514-2020.10.21-000001 k_TRZ967SDaLuLiSRjT-Lw 1 0    98433      0   24.9mb   24.9mb
green open winlogbeat-7.9.2-2020.10.21-000001   xxxsI4uvRvuBDK3ZNVlKGA 1 0  3225143      0    2.2gb    2.2gb
green open .lists-default-000001                AlXUwpAaTIqo8ukeklOePw 1 0        0      0     208b     208b
green open .apm-agent-configuration             eksa4e3RRymRda59sVIEkw 1 0        0      0     208b     208b
green open .monitoring-es-7-2020.11.06          7NLbhAI6TIGJWwIFJ8Dvsg 1 0   106815  97293   96.4mb   96.4mb
green open .kibana_1                            TH2lZEhWTl2DpUWlKzq-0A 1 0     4129    788     13mb     13mb
green open metricbeat-7.9.2-2020.10.27-000001   VgQCGL9iSX-_8jSyVHjlKg 1 0 28997158      0    6.7gb    6.7gb
green open filebeat-7.9.2-2020.10.30-000001     gyEIxGZrQDGvKmKHbaEk7g 1 0  1655445      0  808.7mb  808.7mb
green open .tasks                               ARq5zMAtR8CizKryw4LOQA 1 0        1      0    6.7kb    6.7kb
green open .security-7                          x4nWoQR2QSqwUuv9epzx_w 1 0       56      1  132.1kb  132.1kb
green open .reporting-2020-10-25                nxUA4sJjRC21qgWRzHgNMQ 1 0        1      0   81.8kb   81.8kb
green open metrics-index_pattern_placeholder    snyJCDYySnSrR9B-KLyJXA 1 0        0      0     208b     208b
green open kibana_sample_data_logs              ZWVZ2dGRQbClkQ9KUuME2g 1 0    14074      0   11.5mb   11.5mb
green open .async-search                        zjr6hM1jSBCyI7yB5qDkPQ 1 0        0      0    1.9mb    1.9mb
Result for GET _cluster/health
{
  "cluster_name" : "elk",
  "status" : "green",
  "timed_out" : false,
  "number_of_nodes" : 1,
  "number_of_data_nodes" : 1,
  "active_primary_shards" : 42,
  "active_shards" : 42,
  "relocating_shards" : 0,
  "initializing_shards" : 0,
  "unassigned_shards" : 0,
  "delayed_unassigned_shards" : 0,
  "number_of_pending_tasks" : 0,
  "number_of_in_flight_fetch" : 0,
  "task_max_waiting_in_queue_millis" : 0,
  "active_shards_percent_as_number" : 100.0
}
Thanks!!