Running first ASP.NET 5 application using VSCode, DNX and kestrel results in IOException

Question

Following the steps described in the Visual Studio Code documentation, running the final command dnx . kestrel via the Command Palette of VSCode on Mac OS X results in an IOException when visiting http://localhost:5001:

kqueue() FileSystemWatcher has reached the maximum nunmber of files to watch. 

See the attached screenshot for the complete stacktrace. What could be wrong?

Answer 1

It's a known mono bug. In order to fix it set the MONO_MANAGED_WATCHER environment variable:

export MONO_MANAGED_WATCHER=false 

Source