When running npm run build error in gulp build.

1. A concise explanation of the problem you’re experiencing.

Attempting to run npm run build and can not continue past.

2. A minimal code example. If you’ve found a bug, this helps us reproduce and repair it.

0 info it worked if it ends with ok

1 verbose cli [ ‘C:\Program Files\nodejs\node.exe’,

1 verbose cli ‘C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js’,

1 verbose cli ‘run’,

1 verbose cli ‘build’ ]

2 info using npm@3.10.10

3 info using node@v6.11.3

4 verbose run-script [ ‘prebuild’, ‘build’, ‘postbuild’ ]

5 info lifecycle cesium@1.37.0~prebuild: cesium@1.37.0

6 silly lifecycle cesium@1.37.0~prebuild: no script for prebuild, continuing

7 info lifecycle cesium@1.37.0~build: cesium@1.37.0

8 verbose lifecycle cesium@1.37.0~build: unsafe-perm in lifecycle true

9 verbose lifecycle cesium@1.37.0~build: PATH: C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin;C:\Cesium\node_modules.bin;C:\Program Files\Trend Micro\AMSP;C:\Program Files (x86)\Razer Chroma SDK\bin;C:\Program Files\Razer Chroma SDK\bin;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files\MATLAB\R2013b\runtime\win64;C:\Program Files\MATLAB\R2013b\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0;C:\Users\zacha\AppData\Local\Microsoft\WindowsApps;C:\Program Files\nodejs;C:\Users\zacha\AppData\Local\Microsoft\WindowsApps;C:\Users\zacha\AppData\Roaming\npm

10 verbose lifecycle cesium@1.37.0~build: CWD: C:\Cesium

11 silly lifecycle cesium@1.37.0~build: Args: [ ‘/d /s /c’, ‘gulp build’ ]

12 silly lifecycle cesium@1.37.0~build: Returned: code: 1 signal: null

13 info lifecycle cesium@1.37.0~build: Failed to exec build script

14 verbose stack Error: cesium@1.37.0 build: gulp build

14 verbose stack Exit status 1

14 verbose stack at EventEmitter. (C:\Program Files\nodejs\node_modules\npm\lib\utils\lifecycle.js:255:16)

14 verbose stack at emitTwo (events.js:106:13)

14 verbose stack at EventEmitter.emit (events.js:191:7)

14 verbose stack at ChildProcess. (C:\Program Files\nodejs\node_modules\npm\lib\utils\spawn.js:40:14)

14 verbose stack at emitTwo (events.js:106:13)

14 verbose stack at ChildProcess.emit (events.js:191:7)

14 verbose stack at maybeClose (internal/child_process.js:920:16)

14 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:230:5)

15 verbose pkgid cesium@1.37.0

16 verbose cwd C:\Cesium

17 error Windows_NT 10.0.15063

18 error argv “C:\Program Files\nodejs\node.exe” “C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js” “run” “build”

19 error node v6.11.3

20 error npm v3.10.10

21 error code ELIFECYCLE

22 error cesium@1.37.0 build: gulp build

22 error Exit status 1

23 error Failed at the cesium@1.37.0 build script ‘gulp build’.

23 error Make sure you have the latest version of node.js and npm installed.

23 error If you do, this is most likely a problem with the cesium package,

23 error not with npm itself.

23 error Tell the author that this fails on your system:

23 error gulp build

23 error You can get information on how to open an issue for this project with:

23 error npm bugs cesium

23 error Or if that isn’t available, you can get their info via:

23 error npm owner ls cesium

23 error There is likely additional logging output above.

24 verbose exit [ 1, true ]

4. The Cesium version you’re using, your operating system and browser.

Cesium 1.37, Windows 10 Pro, Google Chrome Version 61.0.3163.100

Hi Zacharie,

It looks like you may not have gulp installed, have you run npm install recently? Also make sure you are running npm run build in the base directory where gulpfile.js is located.