Kibana server is not ready yet - All collectors are not ready. Waiting for 60000ms longer

I succesfuly upgraded my 3*nodes Elasticsearch cluster from 6.5.4 to 6.8.13
Then, I upgraded my Kibana server along the same path.

Then no way to get kibana portal ... always displaying "Kibana server is not ready yet"

I switched kibana log to verbose mode and noticed neither errors nor warnings

Only these cycling entries in kibana log file look strange:

{"type":"log","@timestamp":"2021-01-12T15:53:57Z","tags":["debug","stats-collection"],"pid":26737,"message":"All collectors are not ready. Waiting for 60000ms longer."}
{"type":"log","@timestamp":"2021-01-12T15:53:57Z","tags":["debug","monitoring-ui","kibana-monitoring"],"pid":26737,"message":"Skipping bulk uploading because not all collectors are ready"}`
{"type":"log","@timestamp":"2021-01-12T15:53:57Z","tags":["debug","monitoring-ui","kibana-monitoring"],"pid":26737,"message":"Resetting lastFetchWithUsage because not all collectors are ready"}

No idea about which collectors the log file is talking about ?

Thanks for your support.
Best Regards

When Kibana starts up, do any of the plugins log that they are waiting for something? Based on the activity in the logs, do all the plugins have a green state?

Many thanks @tsullivan for your reply.
Meanwhile I installed an extra kibana server in 6.8.13 from scratch and I do face the same issue.

About plugin, I noticed contradictory informations in the hereunder logs : "some plugins with status moving to green" and "Discovered 0 plugins"

{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:xpack_main@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:graph@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:searchprofiler@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:ml@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:tilemap@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:watcher@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:grokdebugger@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:logstash@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:beats_management@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:index_management@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:index_lifecycle_management@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:rollup@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:remote_clusters@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:cross_cluster_replication@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["info","monitoring-ui","kibana-monitoring"],"pid":29423,"message":"Starting monitoring stats collection"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["license","debug","xpack"],"pid":29423,"message":"Calling [monitoring] Elasticsearch _xpack API. Polling frequency: 30001"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:security@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["status","plugin:maps@6.8.13","info"],"pid":29423,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["debug","stats-collection"],"pid":29423,"message":"All collectors are not ready. Waiting for 60000ms longer."}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["debug","monitoring-ui","kibana-monitoring"],"pid":29423,"message":"Skipping bulk uploading because not all collectors are ready"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["debug","monitoring-ui","kibana-monitoring"],"pid":29423,"message":"Resetting lastFetchWithUsage because not all collectors are ready"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["debug","legacy-proxy"],"pid":29423,"message":"\"getConnections\" has been called."}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["license","info","xpack"],"pid":29423,"message":"Imported license information from Elasticsearch for the [monitoring] cluster: mode: basic | status: active"}
{"type":"log","@timestamp":"2021-01-13T09:50:02Z","tags":["reporting","browser-driver","warning"],"pid":29423,"message":"Enabling the Chromium sandbox provides an additional layer of protection."}
{"type":"log","@timestamp":"2021-01-13T09:50:04Z","tags":["debug","config"],"pid":29530,"message":"Marking config path as handled: server"}
{"type":"log","@timestamp":"2021-01-13T09:50:04Z","tags":["debug","http"],"pid":29530,"message":"registering route handler for [/core]"}
{"type":"log","@timestamp":"2021-01-13T09:50:04Z","tags":["debug","root"],"pid":29530,"message":"starting root"}
{"type":"log","@timestamp":"2021-01-13T09:50:04Z","tags":["debug","config"],"pid":29530,"message":"Marking config path as handled: logging"}
{"type":"log","@timestamp":"2021-01-13T09:50:04Z","tags":["debug","server"],"pid":29530,"message":"starting server"}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","http","server"],"pid":29530,"message":"starting http server"}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","http","server"],"pid":29530,"message":"http server running at http://0.0.0.0:5601"}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","plugins-service"],"pid":29530,"message":"Starting plugins service"}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","config"],"pid":29530,"message":"Marking config path as handled: plugins"}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","plugins-discovery"],"pid":29530,"message":"Discovering plugins..."}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","plugins-discovery"],"pid":29530,"message":"Scanning \"/src/plugins\" for plugin sub-directories..."}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","plugins-discovery"],"pid":29530,"message":"Scanning \"/plugins\" for plugin sub-directories..."}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","plugins-discovery"],"pid":29530,"message":"Scanning \"/kibana-extra\" for plugin sub-directories..."}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","plugins-service"],"pid":29530,"message":"Discovered 0 plugins."}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","legacy-service"],"pid":29530,"message":"starting legacy service"}
{"type":"log","@timestamp":"2021-01-13T09:50:05Z","tags":["debug","config"],"pid":29530,"message":"Marking config path as handled: server"}

However I also found this message about the plugin reporting that looks stuck in initializing state

{"type":"log","@timestamp":"2021-01-13T10:15:33Z","tags":["plugins","debug"],"pid":16285,"plugin":{"name":"x-pack","version":"6.8.13","private":true,"author":"Elastic","license":"Elastic-License","kibana":{"build":{"intermediateBuildDirectory":"build/plugin/kibana/x-pack"},"version":"6.8.13"},"resolutions":{"**/@types/node":"10.12.27","@types/react":"16.3.14"},"dependencies":{"@elastic/datemath":"5.0.2","@elastic/eui":"6.10.9","@elastic/node-crypto":"0.1.2","@elastic/node-phantom-simple":"2.2.4","@elastic/numeral":"2.3.2","@kbn/babel-preset":"1.0.0","@kbn/es-query":"1.0.0","@kbn/i18n":"1.0.0","@kbn/interpreter":"1.0.0","@kbn/ui-framework":"1.0.0","@samverschueren/stream-to-observable":"^0.3.0","@scant/router":"^0.1.0","@slack/client":"^4.8.0","@turf/boolean-contains":"6.0.1","@types/json-stable-stringify":"^1.0.32","angular-resource":"1.4.9","angular-sanitize":"1.6.5","angular-ui-ace":"0.2.3","apollo-cache-inmemory":"1.2.7","apollo-client":"^2.3.8","apollo-link":"^1.2.3","apollo-link-http":"^1.5.4","apollo-link-schema":"^1.1.0","apollo-link-state":"^0.4.1","apollo-server-errors":"^2.0.2","apollo-server-hapi":"^1.3.6","axios":"^0.18.1","babel-core":"^6.26.3","babel-polyfill":"6.20.0","babel-preset-es2015":"^6.24.1","babel-register":"^6.26.0","babel-runtime":"^6.26.0","base64-js":"^1.2.1","bluebird":"3.5.3","boom":"^7.2.0","brace":"0.11.1","chroma-js":"^1.3.6","classnames":"2.2.5","concat-stream":"1.6.2","constate":"^0.9.0","content-disposition":"0.5.3","copy-to-clipboard":"^3.0.8","cronstrue":"^1.51.0","d3":"3.5.6","d3-scale":"1.0.6","dataloader":"^1.4.0","dedent":"^0.7.0","dragselect":"1.8.1","elasticsearch":"^15.5.0","extract-zip":"^1.7.0","file-saver":"^1.3.8","font-awesome":"4.4.0","formsy-react":"^1.1.5","get-port":"2.1.0","getos":"^3.1.0","glob":"6.0.4","graphql":"^0.13.2","graphql-fields":"^1.0.2","graphql-tag":"^2.9.2","graphql-tools":"^3.0.2","handlebars":"4.7.6","hapi-auth-cookie":"^9.0.0","history":"4.7.2","history-extra":"^4.0.2","humps":"2.0.1","icalendar":"0.7.1","idx":"^2.5.2","inline-style":"^2.0.0","intl":"^1.2.5","io-ts":"^1.4.2","joi":"^13.5.2","jquery":"^3.5.0","json-stable-stringify":"^1.0.1","jsonwebtoken":"^8.3.0","jstimezonedetect":"1.0.5","lodash":"npm:@elastic/lodash@3.10.1-kibana4","lodash.keyby":"^4.6.0","lodash.lowercase":"^4.3.0","lodash.mean":"^4.1.0","lodash.omitby":"^4.6.0","lodash.orderby":"4.6.0","lodash.pickby":"^4.6.0","lodash.topath":"^4.5.2","lodash.uniqby":"^4.7.0","lz-string":"^1.4.4","mapbox-gl":"0.52.0","markdown-it":"^10.0.0","mime":"^2.2.2","mkdirp":"0.5.1","moment":"^2.20.1","moment-duration-format":"^1.3.0","moment-timezone":"^0.5.14","ngreact":"^0.5.1","node-fetch":"^2.6.1","nodemailer":"^4.6.4","object-path-immutable":"^0.5.3","oppsy":"^2.0.0","papaparse":"^5.2.0","pdfmake":"^0.1.65","pluralize":"3.1.0","pngjs":"3.3.1","polished":"^1.9.2","prop-types":"^15.7.2","puid":"1.0.5","puppeteer-core":"^1.13.0","raw-loader":"0.5.1","react":"^16.6.0","react-apollo":"^2.1.4","react-beautiful-dnd":"^8.0.7","react-clipboard.js":"^1.1.2","react-datetime":"^2.14.0","react-dom":"^16.6.0","react-dropzone":"^4.2.9","react-fast-compare":"^2.0.4","react-portal":"^3.2.0","react-redux":"^5.0.7","react-redux-request":"^1.5.6","react-router-breadcrumbs-hoc":"1.1.2","react-router-dom":"^4.3.1","react-select":"^1.2.1","react-shortcuts":"^2.0.0","react-sticky":"^6.0.3","react-syntax-highlighter":"^5.7.0","react-vis":"^1.8.1","recompose":"^0.26.0","reduce-reducers":"^0.4.3","redux":"4.0.0","redux-actions":"2.2.1","redux-observable":"^1.0.0","redux-thunk":"2.3.0","redux-thunks":"^1.0.0","request":"^2.88.0","reselect":"3.0.1","resize-observer-polyfill":"^1.5.0","rimraf":"^2.6.2","rison-node":"0.3.1","rxjs":"^6.2.1","semver":"5.1.0","squel":"^5.12.2","style-it":"2.1.2","styled-components":"3.3.3","tar-fs":"2.1.0","tinycolor2":"1.3.0","tinymath":"1.1.1","topojson-client":"3.0.0","tslib":"^1.9.3","turf":"3.0.14","typescript-fsa":"^2.5.0","typescript-fsa-reducers":"^0.4.5","ui-select":"0.19.4","unbzip2-stream":"1.0.9","unstated":"^2.1.1","uuid":"3.0.1","venn.js":"0.2.9","xregexp":"3.2.0"},"engines":{"yarn":"^1.21.1"},"build":{"git":{"count":"20611","sha":"2e5162f","date":"Thu, 15 Oct 2020 15:59:15 -0700"},"date":"Fri Oct 16 2020 09:38:03 GMT+0000 (Coordinated Universal Time)"}},"message":"Initializing plugin reporting@6.8.13"}

May I face deprecated kibana configuration options since I am running Kibana 6.8.13 with kibana.yml config file inherited from Kibana 6.5.4 environment ?

Same issue with a 6.8.13 based kibana.yml config file :thinking:

Just reinstalled a Kibana server in 6.5.4 : Kibana home page displayed in a couple of seconds. All features available.

The question is : what's wrong with Kibana 6.8.13 ? :rage:

I compared logs from kibana 6.5.4 and kibana 6.8.13 ... kibana 6.8.13 logs have lines regarding reindex operations !!!???

{"type":"log","@timestamp":"2021-01-13T11:26:52Z","tags":["debug","upgrade_assistant","reindex_worker"],"pid":17918,"message":"Starting worker..."}
{"type":"log","@timestamp":"2021-01-13T11:26:52Z","tags":["debug","upgrade_assistant","reindex_worker"],"pid":17918,"message":"Polling for reindex operations"}
{"type":"log","@timestamp":"2021-01-13T11:26:52Z","tags":["elasticsearch","query","debug","admin"],"pid":17918,"message":"200\nPUT /_template/.management-beats?include_type_name=true\n{\"index_patterns\":[\".management-beats\"],\"version\":67000,\"settings\":{\"index\":{\"number_of_shards\":1,\"auto_expand_replicas\":\"0-1\",\"codec\":\"best_compression\"}},\"mappings\":{\"_doc\":{\"dynamic\":\"strict\",\"properties\":{\"type\":{\"type\":\"keyword\"},\"configuration_block\":{\"properties\":{\"id\":{\"type\":\"keyword\"},\"type\":{\"type\":\"keyword\"},\"tag\":{\"type\":\"keyword\"},\"description\":{\"type\":\"text\"},\"config\":{\"type\":\"keyword\"},\"last_updated\":{\"type\":\"date\"}}},\"enrollment_token\":{\"properties\":{\"token\":{\"type\":\"keyword\"},\"expires_on\":{\"type\":\"date\"}}},\"tag\":{\"properties\":{\"id\":{\"type\":\"keyword\"},\"name\":{\"type\":\"keyword\"},\"color\":{\"type\":\"keyword\"},\"hasConfigurationBlocksTypes\":{\"type\":\"keyword\"}}},\"beat\":{\"properties\":{\"id\":{\"type\":\"keyword\"},\"status\":{\"properties\":{\"type\":{\"type\":\"keyword\"},\"timestamp\":{\"type\":\"date\"},\"event\":{\"properties\":{\"type\":{\"type\":\"keyword\"},\"message\":{\"type\":\"text\"},\"uuid\":{\"type\":\"keyword\"}}}}},\"active\":{\"type\":\"boolean\"},\"last_checkin\":{\"type\":\"date\"},\"enrollment_token\":{\"type\":\"keyword\"},\"access_token\":{\"type\":\"keyword\"},\"verified_on\":{\"type\":\"date\"},\"type\":{\"type\":\"keyword\"},\"version\":{\"type\":\"keyword\"},\"host_ip\":{\"type\":\"ip\"},\"host_name\":{\"type\":\"keyword\"},\"ephemeral_id\":{\"type\":\"keyword\"},\"tags\":{\"type\":\"keyword\"},\"metadata\":{\"dynamic\":\"true\",\"type\":\"object\"},\"name\":{\"type\":\"keyword\"}}}}}}}"}

If you are using unrecognized configuration options from Kibana 6.5 in a later minor version (6.8), Kibana will just log a warning and tell you that the option isn't used and will go away in the next major version (7.x in your case). That's the normal process for config deprecations.

There have been bugs where developers have removed config settings without deprecating them first. In the case of such a bug, Kibana would exit automatically after trying to start, and log the config option that isn't recognized.

The reindex worker finds saved objects in your .kibana index that need to be upgraded to continue to work properly as saved visualizations, saved searches, dashboards, Advanced Settings, etc.

@ORich Would it be possible to get your elasticsearch.yml and kibana.yml (with any sensitive info redacted)?

Also, what is your setup like? Are you using metricbeat? Monitoring a remote cluster?

Dear @tsullivan and @Igor_Zaytsev, thanks for your support.

My setup in a nutshell : 1*node Kibana + 3 *nodes elasticsearch + many Filebeat. All running in CentOS 7.9 No Metricbeat, no remote cluster monitoring

I first successfuly upgraded my ELasticsearch cluster from 6.5.4 to 6.8.13 as a step to move to 7.10.1. Then, stuck with kibana upgrade to 6.8.13 for a couple of days.

Please find my kibana config file running in 6.8.13:

 Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values.
# The default is 'localhost', which usually means remote machines will not be able to connect.
# To allow connections from remote users, set this parameter to a non-loopback address.
server.host: "localhost"

# Enables you to specify a path to mount Kibana at if you are running behind a proxy.
# Use the `server.rewriteBasePath` setting to tell Kibana if it should remove the basePath
# from requests it receives, and to prevent a deprecation warning at startup.
# This setting cannot end in a slash.
server.basePath: "/kibana"

# Specifies whether Kibana should rewrite requests that are prefixed with
# `server.basePath` or require that they are rewritten by your reverse proxy.
# This setting was effectively always `false` before Kibana 6.3 and will
# default to `true` starting in Kibana 7.0.
server.rewriteBasePath: false

# The maximum payload size in bytes for incoming server requests.
#server.maxPayloadBytes: 1048576

# The Kibana server's name.  This is used for display purposes.
server.name: "i-00441e7b-kibana-server-16104781931"

# The URLs of the Elasticsearch instances to use for all your queries.
elasticsearch.hosts: ["http://elasticsearch.service.webcom:9200"]

# When this setting's value is true Kibana uses the hostname specified in the server.host
# setting. When the value of this setting is false, Kibana uses the hostname of the host
# that connects to this Kibana instance.
elasticsearch.preserveHost: true

# Kibana uses an index in Elasticsearch to store saved searches, visualizations and
# dashboards. Kibana creates a new index if the index doesn't already exist.
kibana.index: ".kibana"

# Logs queries sent to Elasticsearch. Requires logging.verbose set to true.
elasticsearch.logQueries: true

# Specifies the path where Kibana creates the process ID file.
pid.file: /var/run/kibana/kibana.pid

# Enables you specify a file where Kibana stores log output.
logging.dest: /opt/application/kibana/logs/logs_kibana

# Set the value of this setting to true to suppress all logging output.

# Set the value of this setting to true to suppress all logging output other than error messages.

# Set the value of this setting to true to log all events, including system usage information
logging.silent: false
logging.quiet: false
logging.verbose: true

And my elasticsearch config file as well:

# ---------------------------------- Cluster -----------------------------------
#
# Use a descriptive name for your cluster:
#
cluster.name: MyClusterES
#
# ------------------------------------ Node ------------------------------------
#
# Use a descriptive name for the node:
#
node.name: i-00382124-elk-server-15979378731
#
# ----------------------------------- Paths ------------------------------------
#
# Path to directory where to store the data (separate multiple locations by comma):
#
path.data: /opt/application/elasticsearch/data
#
# Path to log files:
#
path.logs: /opt/application/elasticsearch/logs
#
# ----------------------------------- Memory -----------------------------------
#
# Lock the memory on startup:
#
bootstrap.memory_lock: true
# --------------------------------- Discovery ----------------------------------
#
discovery.zen.ping.unicast.hosts:
   - elasticsearch.service.webcom
discovery.zen.minimum_master_nodes: 2
discovery.zen.fd.ping_timeout: 30s
discovery.zen.fd.ping_retries: 3
#
bootstrap.system_call_filter: false
#
s3.client.default.endpoint: "https://oss.eu-west-0.prod-cloud-ocb.orange-business.com:443"
s3.client.default.protocol: "https"

Found the issue : Kibana server is not ready yet - throw er; // Unhandled 'error' event
Thanks again.
Best regards

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