解决使用hexo时，由于更换电脑导致node.js出现的错误

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前言

由于一些原因，换了一台新的电脑，需要在新电脑上进行部署。其实很好处理，我只需把原电脑上创建的本地站点copy到新的电脑上即可。如果本地站点已经丢失，需要从github上下载原来的博客内容，那么这篇blog的解决方法并不适用。

node.js错误日志

但是由于两次搭建环境的时间相隔较长，用到的node.js的版本也有所差异，所以就出现了一些错误。

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Error: The module '/Users/yaulam/yaulam.github.io/node_modules/dtrace-provider/build/Release/DTraceProviderBindings.node'
was compiled against a different Node.js version using
NODE_MODULE_VERSION 47. This version of Node.js requires
NODE_MODULE_VERSION 51. Please try re-compiling or re-installing
the module (for instance, using `npm rebuild` or`npm install`).
    at Object.Module._extensions..node (module.js:598:18)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/dtrace-provider/dtrace-provider.js:17:23)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/bunyan/lib/bunyan.js:79:18)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
{ Error: Cannot find module './build/default/DTraceProviderBindings'
    at Function.Module._resolveFilename (module.js:470:15)
    at Function.Module._load (module.js:418:25)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/dtrace-provider/dtrace-provider.js:17:23)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/bunyan/lib/bunyan.js:79:18)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/hexo-log/lib/log.js:3:14)
    at Module._compile (module.js:571:32) code: 'MODULE_NOT_FOUND' }
{ Error: Cannot find module './build/Debug/DTraceProviderBindings'
    at Function.Module._resolveFilename (module.js:470:15)
    at Function.Module._load (module.js:418:25)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/dtrace-provider/dtrace-provider.js:17:23)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/bunyan/lib/bunyan.js:79:18)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/yaulam/yaulam.github.io/node_modules/hexo-log/lib/log.js:3:14)
    at Module._compile (module.js:571:32) code: 'MODULE_NOT_FOUND' }
Usage: hexo <command>

解决方法

我们从日志可以看出，导致错误的原因是我们现电脑上的node.js于原来用到的node.js的版本号不同，而我并不想降低现有node.js的版本，那么解决办法如下：

user$cd 根目录
rm -rf node_modules // force remove node_modules directory
npm install

这样上述的错误就解决了。

友情提示：以后，在使用hexo的过程中遇见一些问题，可以去hexo官网寻找解决办法。

如需转载，请注明出处：YauLam’s Blog，thank you~