coc-yaml: Extension failing to start with error: "The "yaml" server crashed 5 times in the last 3 minutes. The server will not be restarted"

The error happened as soon as I opened the first yaml file after install. Below is debug output from CocCommand workspace.showOutput

node:internal/modules/cjs/loader:903
  throw err;
  ^

Error: Cannot find module 'vscode-json-languageservice/lib/umd/services/jsonDefinition'
Require stack:
- <HOME>/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/services/yamlDefinition.js
- <HOME>/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/yamlLanguageService.js
- <HOME>/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/server.js
    at Function.Module._resolveFilename (node:internal/modules/cjs/loader:900:15)
    at Function.Module._load (node:internal/modules/cjs/loader:745:27)
    at Module.require (node:internal/modules/cjs/loader:972:19)
    at require (node:internal/modules/cjs/helpers:88:18)
    at Object.<anonymous> (<HOME>/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/services/yamlDefinition.js:5:26)
    at Module._compile (node:internal/modules/cjs/loader:1083:30)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1112:10)
    at Module.load (node:internal/modules/cjs/loader:948:32)
    at Function.Module._load (node:internal/modules/cjs/loader:789:14)
    at Module.require (node:internal/modules/cjs/loader:972:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '<HOME>/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/services/yamlDefinition.js',
    '<HOME>/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/yamlLanguageService.js',
    '<HOME>/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/server.js'
  ]
}
[Info  - 6:44:16 PM] Connection to server got closed. Server will restart.

Here is also the contents of the directory node_modules/vscode-json-languageservice/lib/umd/services/ showing that the module jsonDefinition does not exist:

❯ tree node_modules/vscode-json-languageservice/lib/umd/services/
node_modules/vscode-json-languageservice/lib/umd/services/
├── configuration.js
├── jsonCompletion.js
├── jsonDocumentSymbols.js
├── jsonFolding.js
├── jsonHover.js
├── jsonLinks.js
├── jsonSchemaService.js
├── jsonSelectionRanges.js
└── jsonValidation.js

0 directories, 9 files

About this issue

Original URL
State: closed
Created 4 years ago
Reactions: 4
Comments: 15 (4 by maintainers)

Most upvoted comments

Fixed on v1.1.2

chemzqm on Nov 11, 2020

happens here too after update.

CocInfo

## versions

vim version: NVIM v0.4.4
node version: v14.15.0
coc.nvim version: 0.0.79-56bbd049d0
coc.nvim directory: /Users/x/.vim/plugged/coc.nvim
term: iTerm.app
platform: darwin

2020-11-09T12:32:30.699 INFO (pid:40119) [model-installer] - Extension download at /var/folders/lq/_m7b8pkd40g7jslfg_pb9bdh00f272/T/nvim9gL6xs/coc-yaml-N3vxSK
2020-11-09T12:32:30.700 INFO (pid:40119) [model-installer] - Installing dependencies by: /usr/local/bin/npm install --ignore-scripts --no-lockfile --production --legacy-peer-deps.
2020-11-09T12:32:37.082 INFO (pid:40119) [model-installer] - [npm] added 28 packages from 19 contributors and audited 501 packages in 5.997s
2020-11-09T12:32:37.228 INFO (pid:40119) [model-installer] - [npm] found 0 vulnerabilities
2020-11-09T12:32:37.228 INFO (pid:40119) [model-installer] - [npm] 
2020-11-09T12:32:37.260 INFO (pid:40119) [model-installer] - Update package.json at /Users/x/.config/coc/extensions/package.json
2020-11-09T12:32:37.260 INFO (pid:40119) [model-installer] - Installed extension coc-yaml@1.1.0 at /Users/x/.config/coc/extensions/node_modules/coc-yaml
2020-11-09T12:32:37.266 INFO (pid:40119) [services] - registered service "yaml"
2020-11-09T12:32:37.266 INFO (pid:40119) [services] - yaml server state change: stopped => starting
2020-11-09T12:32:37.268 INFO (pid:40119) [language-client-index] - yaml started with 40187
2020-11-09T12:32:37.489 INFO (pid:40119) [services] - yaml server state change: starting => stopped
2020-11-09T12:32:37.489 INFO (pid:40119) [services] - yaml server state change: stopped => starting
2020-11-09T12:32:37.491 INFO (pid:40119) [language-client-index] - yaml started with 40191
2020-11-09T12:32:37.699 INFO (pid:40119) [services] - yaml server state change: starting => stopped
2020-11-09T12:32:37.699 INFO (pid:40119) [services] - yaml server state change: stopped => starting
2020-11-09T12:32:37.701 INFO (pid:40119) [language-client-index] - yaml started with 40192
2020-11-09T12:32:37.906 INFO (pid:40119) [services] - yaml server state change: starting => stopped
2020-11-09T12:32:37.906 INFO (pid:40119) [services] - yaml server state change: stopped => starting
2020-11-09T12:32:37.909 INFO (pid:40119) [language-client-index] - yaml started with 40193
2020-11-09T12:32:38.116 INFO (pid:40119) [services] - yaml server state change: starting => stopped
2020-11-09T12:32:38.116 INFO (pid:40119) [services] - yaml server state change: stopped => starting
2020-11-09T12:32:38.118 INFO (pid:40119) [language-client-index] - yaml started with 40195
2020-11-09T12:32:38.322 INFO (pid:40119) [services] - yaml server state change: starting => stopped

internal/modules/cjs/loader.js:883
  throw err;
  ^

Error: Cannot find module 'vscode-json-languageservice/lib/umd/services/jsonDefinition'
Require stack:
- /Users/x/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/services/yamlDefinition.js
- /Users/x/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/yamlLanguageService.js
- /Users/x/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/server.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)
    at Function.Module._load (internal/modules/cjs/loader.js:725:27)
    at Module.require (internal/modules/cjs/loader.js:952:19)
    at require (internal/modules/cjs/helpers.js:88:18)
    at Object.<anonymous> (/Users/x/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/services/yamlDefinition.js:5:26)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)
    at Module.require (internal/modules/cjs/loader.js:952:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/Users/x/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/services/yamlDefinition.js',
    '/Users/x/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/languageservice/yamlLanguageService.js',
    '/Users/x/.config/coc/extensions/node_modules/coc-yaml/node_modules/yaml-language-server/out/server/src/server.js'
  ]
}
[Info  - 12:32:20 PM] Connection to server got closed. Server will restart.

Fixed by running CocInstall coc-yaml@1.0.4

erancx on Nov 9, 2020

I’m currently getting this issue consistently now on all yaml files. @chemzqm

sQVe on Mar 4, 2021