Kibana error after upgrading to 7.5.0 from 7.3.2

Elastic Stack Kibana
1

Hello,

I have just upgraded kibana from 7.3.2 to 7.5.0 and it is failing with the following error:

Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]: {"type":"log","@timestamp":"2019-12-19T12:32:21Z","tags":["fatal","root"],"pid":6490,"message":"{ ValidationError: child \"path\" fails because [\"path\" is not allowed to be empty]\n    at Object.exports.process (/usr/share/kibana/node_modules/joi/lib/errors.js:196:19)\n    at internals.Object._validateWithOptions (/usr/share/kibana/node_modules/joi/lib/types/any/index.js:675:31)\n    at module.exports.internals.Any.root.validate (/usr/share/kibana/node_modules/joi/lib/index.js:146:23)\n    at Object.internals.implementation [as cookie] (/usr/share/kibana/node_modules/hapi-auth-cookie/lib/index.js:94:25)\n    at module.exports.internals.Auth._strategy (/usr/share/kibana/node_modules/hapi/lib/auth.js:52:47)\n    at createCookieSessionStorageFactory (/usr/share/kibana/src/core/server/http/cookie_session_storage.js:86:15)\n    at process._tickCallback (internal/process/next_tick.js:68:7)\n  isJoi: true,\n  name: 'ValidationError',\n  details:\n   [ { message: '\"path\" is not allowed to be empty',\n       path: [Array],\n       type: 'any.empty',\n       context: [Object] } ],\n  _object:\n   { cookie: 'sid',\n     password: '69066bb81b64c2c4959fa3150bfa9a8a',\n     validateFunc: [AsyncFunction: validateFunc],\n     isSecure: false,\n     path: '',\n     clearInvalid: true,\n     isHttpOnly: true,\n     isSameSite: false },\n  annotate: [Function] }"}
Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]: {"type":"log","@timestamp":"2019-12-19T12:32:21Z","tags":["debug","server"],"pid":6490,"message":"stopping server"}
Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]: {"type":"log","@timestamp":"2019-12-19T12:32:21Z","tags":["debug","legacy-service"],"pid":6490,"message":"stopping legacy service"}
Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]: {"type":"log","@timestamp":"2019-12-19T12:32:21Z","tags":["debug","plugins-service"],"pid":6490,"message":"Stopping plugins service"}
Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]: {"type":"log","@timestamp":"2019-12-19T12:32:21Z","tags":["debug","elasticsearch-service"],"pid":6490,"message":"Stopping elasticsearch service"}
Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]: {"type":"log","@timestamp":"2019-12-19T12:32:21Z","tags":["debug","elasticsearch-service"],"pid":6490,"message":"Closing elasticsearch clients"}
Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]: {"type":"log","@timestamp":"2019-12-19T12:32:21Z","tags":["debug","http","server","Kibana"],"pid":6490,"message":"stopping http server"}
Dec 19 12:32:21 MGT-VMNVLOG02-1c kibana[6490]:  FATAL  ValidationError: child "path" fails because ["path" is not allowed to be empty]

Also uninstalled it and installed if fresh but I get the same error every time I try to start it.

2

Hi @zozo6015,

Can you post the full contents of your kibana.yml file, redacting any sensitive information?
This error message is sometimes indicative of incorrect or unexpected configuration values.

3

Fixed it by commenting out the server.basePath: "" line in the kibana.yml

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4

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