jhipster - Error on "npm install & bower install" -


after installation, new jhipster project appeared here such error: enter image description here

it log file npm-debug.log:

1891 verbose stack     @ request.emit (events.js:185:7) 1891 verbose stack     @ request.<anonymous> (c:\program files\nodejs\node_modules\npm\node_modules\request\request.js:1082:10) 1891 verbose stack     @ emitone (events.js:95:20) 1891 verbose stack     @ request.emit (events.js:182:7) 1891 verbose stack     @ incomingmessage.<anonymous> (c:\program files\nodejs\node_modules\npm\node_modules\request\request.js:1009:12) 1892 verbose cwd d:\projects\jproject 1893 error windows_nt 6.1.7601 1894 error argv "c:\\program files\\nodejs\\node.exe" "c:\\program files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" 1895 error node v5.5.0 1896 error npm  v3.3.12 1897 error unexpected end of input 1897 error {"_id":"karma","_rev":"632-143ecb8b5235e3c97cf3d4b359599b72","name":"karma","description":"spectacular test runner javascript.","dist-tags":{"latest":"0.13.19"},"versions":{"0.8.0":{"name":"karma","description":"spectacular test runner javascript.","homepage":"http://karma-runner.github.com/","bugs":{"url":"https://github.com/karma-runner/karma/issues"},"keywords":["karma","spectacular","runner","testacular","js","javascript","testing","test","... .8.4"},"peerdependencies":{"karma-jasmine":"*","karma-requirejs":"*","karma-coffee-preprocessor":"*","karma-html2js-preprocessor":"*","karma-chrome-launcher":"*","karma-firefox-launcher":"*","karma-phantomjs-launcher":"*","karma-script-launcher":"*"},"devdependencies":{"grunt":"~0.4","grunt-simple-mocha":"git://github.com/yaymukund/grunt-simple-mocha.git","grunt-contrib-jshint":"~0.3","grunt-coffeelint":"~0.0.6","grunt-npm":"~0.0.1","grunt-bump":"~0.0. 1898 error if need help, may report error at: 1898 error     <https://github.com/npm/npm/issues> 1899 verbose exit [ 1, true ] 

help me why error occurs?

as written in documentation, must install grunt before installing jhipster.

if don't know how this, provide vagrant box it's installed.


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