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Comment by patmcc | Hacker News Reader

I'm getting "a sealed resource is missing or invalid", with a copy of Xcode I know was installed from the App Store. Any ideas?

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If you use `codesign -v --verbose /Applications/Xcode.app` you may see:

  file added: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/man/whatis
  file added: /Applications/Xcode.app/Contents/Developer/usr/share/man/whatis

That should be safe.

It's a bit of a shock that Apple:

1) is modifying sealed containers post-install (it's the weekly periodic job that rebuilds whatis database from installed man pages)

2) doesn't realize this and has put out instructions that will cause lots of false positives

Thanks! Yep that was it, I owe you one.

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