I have been having this issue as well, tried some workarounds listed and still no dice.
Failed to download file.Name: oshi-core-6.2.2.jarURL: https://libraries.minecraft.net/com/github/oshi/oshi-core/6.2.2/oshi-core-6.2.2.jarError details: Could not resolve host: libraries.minecraft.netFilename on disk: oshi-core-6.2.2.jarPath: C:\Users\jormu\AppData\Roaming\.minecraft\libraries\com\github\oshi\oshi-core\6.2.2\oshi-core-6.2.2.jarExists: Nonexistent
lathamm
I have been having this issue as well, tried some workarounds listed and still no dice.
Failed to download file.
Name: oshi-core-6.2.2.jar
URL: https://libraries.minecraft.net/com/github/oshi/oshi-core/6.2.2/oshi-core-6.2.2.jar
Error details: Could not resolve host: libraries.minecraft.net
Filename on disk: oshi-core-6.2.2.jar
Path: C:\Users\jormu\AppData\Roaming\.minecraft\libraries\com\github\oshi\oshi-core\6.2.2\oshi-core-6.2.2.jar
Exists: Nonexistent