反应本机`npm start`带守望者错误 [英] React Native `npm start` with watchman error

问题描述

我第一次遇到此问题：

更新：所以我尝试运行 react-native run-ios ，它打开一个新的控制台窗口并调用 npm start 。它仍然给出 [sane]警告：丢失连接到守望者，重新连接.. 警告，但它构建捆绑。所以守望者之间的关系越来越多。这是控制台屏幕截图：

解决方案

我解决了这个问题通过遵循David提供的解决方案，但我不得不采取一些额外的步骤，因为我已经使用brew安装了看门人。以下是解决方案的命令列表：

删除守望者（由brew安装）：

  $ brew install rmtree 
 $ brew rmtree watchman 
 $ sudo rm -rf / usr / local / var / run / watchman 
  / pre> 
 
 
手动安装Watchman v4.7.0（赠送给David）：
  $ git clone https://github.com/facebook/watchman.git 
 $ cd watchman 
 $ git checkout v4.7.0 
 $ ./autogen.sh 
 $ ./configure 
 $ make 
 $ sudo make install 
  
 Chmod您的用户看门人状态目录：
  $ chmod 0700 / usr / local / var / run / watchman /< user> -state 
  
 
I was first getting this issue: https://github.com/facebook/react-native/issues/10088

Then I followed this solution to resolve for that issue: https://github.com/facebook/react-native/issues/910#issuecomment-94181845

Now when I enter npm start I get [sane] Warning: Lost connection to watchman, reconnecting... Any suggestions?

Update: This started happening when I updated my MacOS to MacOS Sierra. 



Update: So I tried running react-native run-ios which opens a new console window and invokes npm start. Its still gives the [sane] Warning: Lost connection to watchman, reconnecting.. warnings but its builds the bundle. So watchman connection is getting broken in between. Here is the console screenshot: 
解决方案
I solved this problem by following the solution provided by David but I had to do some extra steps because I already had installed watchman using brew. Here are the list of commands for the solution: 

Deleting watchman (installed by brew):
$ brew install rmtree
$ brew rmtree watchman
$ sudo rm -rf /usr/local/var/run/watchman
Manually install Watchman v4.7.0 (credits to David):
$ git clone https://github.com/facebook/watchman.git
$ cd watchman
$ git checkout v4.7.0
$ ./autogen.sh
$ ./configure
$ make
$ sudo make install
Chmod your user's watchman state directory:
$ chmod 0700 /usr/local/var/run/watchman/<user>-state


                        
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