# Kibana server is not ready yet with 503 status but the service is running **URL:** \ **Category:** Kibana\ **Created:** [August 21, 2020, 9:56am UTC](https://discuss.elastic.co/t/kibana-server-is-not-ready-yet-with-503-status-but-the-service-is-running/245897 "2020-08-21T09:56:06Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![BTH.S3](https://avatars.discourse-cdn.com/v4/letter/b/59ef9b/32.png) [@BTH.S3](https://discuss.elastic.co/u/BTH.S3)\ **Post date:** [August 21, 2020, 9:56am UTC](https://discuss.elastic.co/t/kibana-server-is-not-ready-yet-with-503-status-but-the-service-is-running/245897/1 "2020-08-21T09:56:06Z")
I've installed the products version 6.8.4 both Kibana and Elasticsearch on Ubuntu 18.04 on two nodes (Kibana only installed on 1 node). However when I start the Kibana server, the errors are produce as log below `{"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:infra@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:rollup@6.8.4","info"],"pid":16330,"state":"yellow","message":"Status changed from uninitialized to yellow - Waiting for Elasticsearch","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:remote_clusters@6.8.4","info"],"pid":16330,"state":"yellow","message":"Status changed from uninitialized to yellow - Waiting for Elasticsearch","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:cross_cluster_replication@6.8.4","info"],"pid":16330,"state":"yellow","message":"Status changed from uninitialized to yellow - Waiting for Elasticsearch","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:translations@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:upgrade_assistant@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:uptime@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:oss_telemetry@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:metrics@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:timelion@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:elasticsearch@6.8.4","info"],"pid":16330,"state":"green","message":"Status changed from yellow to green - Ready","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["license","warning","xpack"],"pid":16330,"message":"License information from the X-Pack plugin could not be obtained from Elasticsearch for the [data] cluster. [invalid_index_name_exception] Invalid index name [_xpack], must not start with '_'., with { index_uuid=\"_na_\" & index=\"_xpack\" } :: {\"path\":\"/_xpack\",\"statusCode\":400,\"response\":\"{\\\"error\\\":{\\\"root_cause\\\":[{\\\"type\\\":\\\"invalid_index_name_exception\\\",\\\"reason\\\":\\\"Invalid index name [_xpack], must not start with '_'.\\\",\\\"index_uuid\\\":\\\"_na_\\\",\\\"index\\\":\\\"_xpack\\\"}],\\\"type\\\":\\\"invalid_index_name_exception\\\",\\\"reason\\\":\\\"Invalid index name [_xpack], must not start with '_'.\\\",\\\"index_uuid\\\":\\\"_na_\\\",\\\"index\\\":\\\"_xpack\\\"},\\\"status\\\":400}\"}"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:xpack_main@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:graph@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:spaces@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:searchprofiler@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:ml@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:tilemap@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:watcher@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:grokdebugger@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:logstash@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:beats_management@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:maps@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:index_management@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:index_lifecycle_management@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:rollup@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:remote_clusters@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:51Z","tags":["status","plugin:cross_cluster_replication@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from yellow to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"} {"type":"log","@timestamp":"2020-08-21T09:30:52Z","tags":["reporting","warning"],"pid":16330,"message":"Generating a random key for xpack.reporting.encryptionKey. To prevent pending reports from failing on restart, please set xpack.reporting.encryptionKey in kibana.yml"} {"type":"log","@timestamp":"2020-08-21T09:30:52Z","tags":["status","plugin:reporting@6.8.4","error"],"pid":16330,"state":"red","message":"Status changed from uninitialized to red - X-Pack plugin is not installed on the [data] Elasticsearch cluster.","prevState":"uninitialized","prevMsg":"uninitialized"} {"type":"log","@timestamp":"2020-08-21T09:30:52Z","tags":["info","task_manager"],"pid":16330,"message":"Installing .kibana_task_manager index template version: 6080499."} {"type":"log","@timestamp":"2020-08-21T09:30:52Z","tags":["info","task_manager"],"pid":16330,"message":"Installed .kibana_task_manager index template: version 6080499 (API version 1)"} {"type":"log","@timestamp":"2020-08-21T09:31:21Z","tags":["license","warning","xpack"],"pid":16330,"message":"License information from the X-Pack plugin could not be obtained from Elasticsearch for the [data] cluster. [invalid_index_name_exception] Invalid index name [_xpack], must not start with '_'., with { index_uuid=\"_na_\" & index=\"_xpack\" } :: {\"path\":\"/_xpack\",\"statusCode\":400,\"response\":\"{\\\"error\\\":{\\\"root_cause\\\":[{\\\"type\\\":\\\"invalid_index_name_exception\\\",\\\"reason\\\":\\\"Invalid index name [_xpack], must not start with '_'.\\\",\\\"index_uuid\\\":\\\"_na_\\\",\\\"index\\\":\\\"_xpack\\\"}],\\\"type\\\":\\\"invalid_index_name_exception\\\",\\\"reason\\\":\\\"Invalid index name [_xpack], must not start with '_'.\\\",\\\"index_uuid\\\":\\\"_na_\\\",\\\"index\\\":\\\"_xpack\\\"},\\\"status\\\":400}\"}"} {"type":"log","@timestamp":"2020-08-21T09:31:22Z","tags":["warning","maps"],"pid":16330,"message":"Error scheduling telemetry task, received Request Timeout after 30000ms"}` about the X-pack, one of my Elasticsearch maybe no longer has a valid license anymore. So I wanted to uninstall x-pack on the Kibana too. But I'm not sure if this is a root cause of the error. I've tried to uninstall Kibana x-pack plugin but it said `Unable to remove plugin because of error: "You are using the standard distribution of Kibana. Please install the OSS-only distribution to remove X-Pack features."` I don't see any OSS-only distribution here. Where should I find it? Btw, here're the information from my node `{ "name" : "x.x.x.x", "cluster_name" : "Test Cluster@Elassandra", "cluster_uuid" : "ff68e8ea-4d3a-4403-80d1-55028c85f9cd", "version" : { "number" : "6.8.4", "build_flavor" : "oss", "build_type" : "deb", "build_hash" : "bcb22b9", "build_date" : "2020-07-29T08:30:21.424869Z", "build_snapshot" : false, "lucene_version" : "7.7.2", "minimum_wire_compatibility_version" : "5.6.0", "minimum_index_compatibility_version" : "5.0.0" }, "tagline" : "You Know, for Search" }` ---
**Author:** ![corey.robertson](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/corey.robertson/32/54611_2.png) [@corey.robertson](https://discuss.elastic.co/u/corey.robertson)\ **Post date:** [August 21, 2020, 1:29pm UTC](https://discuss.elastic.co/t/kibana-server-is-not-ready-yet-with-503-status-but-the-service-is-running/245897/2 "2020-08-21T13:29:02Z")
It looks like your Elasticsearch nodes are the OSS version, so it makes sense that none of the X-Pack features are present. You should be able to download the OSS Kibana. I don't see a direct link to them from the [download page](https://www.elastic.co/downloads/past-releases/kibana-6-8-4) but if you just grab the link to the version you need and add `-oss` after kibana in the filename, that artifact should be there. For example [https://artifacts.elastic.co/downloads/kibana/kibana-oss-6.8.4-linux-x86\_64.tar.gz](https://artifacts.elastic.co/downloads/kibana/kibana-oss-6.8.4-linux-x86_64.tar.gz) ---
**Author:** ![BTH.S3](https://avatars.discourse-cdn.com/v4/letter/b/59ef9b/32.png) [@BTH.S3](https://discuss.elastic.co/u/BTH.S3)\ **Post date:** [August 24, 2020, 4:46am UTC](https://discuss.elastic.co/t/kibana-server-is-not-ready-yet-with-503-status-but-the-service-is-running/245897/3 "2020-08-24T04:46:18Z")
Add -oss between the link is works! thanks. And now my server is running Kibana-oss 6.8.4. The warning from X-pack is gone but the error ''Kibana server is not ready yet" still persists. Kibana log itself doesn't tell much just only this `{"type":"log","@timestamp":"2020-08-24T04:42:12Z","tags":["fatal","root"],"pid":12305,"message":"{ Error: Request Timeout after 30000ms\n at /usr/share/kibana/node_modules/elasticsearch/src/lib/transport.js:355:15\n at Timeout. (/usr/share/kibana/node_modules/elasticsearch/src/lib/transport.js:384:7)\n at ontimeout (timers.js:436:11)\n at tryOnTimeout (timers.js:300:5)\n at listOnTimeout (timers.js:263:5)\n at Timer.processTimers (timers.js:223:10)\n status: undefined,\n displayName: 'RequestTimeout',\n message: 'Request Timeout after 30000ms',\n body: undefined }"}` So I've no idea for the next action. please suggest. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [September 21, 2020, 4:46am UTC](https://discuss.elastic.co/t/kibana-server-is-not-ready-yet-with-503-status-but-the-service-is-running/245897/4 "2020-09-21T04:46:37Z")
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