

=> Builds finished but no artifacts were created. => Some builds didn't complete successfully and had errors: => hyperv-iso: Deleting build directory.īuild 'hyperv-iso' errored: error downloading ISO: => hyperv-iso: Deleting output directory.

#VIRTUALBOX GUEST ADDITIONS DOWNLOAD SERVER 2019 ISO#
=> hyperv-iso: leaving retrieve loop for ISO => hyperv-iso: Download failed mkdir c:\vcs\tfs\vista\devinfrastructure\\build\temp\packer-cache\c:: The filename, directory name, or volume label syntax is incorrect. Doesn't happen with Packer v1.3.5, v1.4.0 fails with a different error (empty checksum).Also fails if I remove the custom cache dir (uses build dir, same error).

PACKER_CACHE_DIR is configured to S:\Vagrant\packer_cache.When I set the guest_additions_sha256 option explicitly it works fine, the guest additions iso itself is downloads fine and the build continues.Ĭreated a cut down template, it fails straight away on my setup 8 15:37:42 ui: => virtualbox-iso: Retrieving Guest additions checksumsĨ 15:37:42 ui: => virtualbox-iso: Trying Ĩ 15:37:42 packer.exe: 8 15:37:42 Acquiring lock for: (S:\Vagrant\packer_cache\C:\Users\sbcdb\AppData\Local\Temp\packer886137615.lock)Ĩ 15:37:42 ui: => virtualbox-iso: Download failed mkdir S:\Vagrant\packer_cache\C:: The filename, directory name, or volume label syntax is incorrect.Ĩ 15:37:42 ui error: => virtualbox-iso: error downloading Guest additions checksums: Ĩ 15:37:42 ui: => virtualbox-iso: leaving retrieve loop for Guest additions checksums
