我在google之后尝试了所有可能的方法，但没有任何工作我更新了Xcode 8.1并使用最新的NodeJ更新了MAC OS
React packager ready.
2016-12-06T00:09:00,331: [cli] Failed to open /Users/anilyadav/Library/LaunchAgents/com.github.facebook.watchman.plist for write: Not a directory
2016-12-06T00:09:00,331: [cli] Failed to open /Users/anilyadav/Library/LaunchAgents/com.github.facebook.watchman.plist for write: Not a directory
Watchman: watchman--no-pretty get-sockname returned with exit code null 2016-12-06T00:09:00,331: [cli] Failed to open /Users/anilyadav/Library/LaunchAgents/com.github.facebook.watchman.plist for write: Not a directory
答案 0 :(得分：0)
你的守望者出现了错误，试试这个：
npm r -g watchman
brew update && brew upgrade
brew install watchman