hashicorp/vagrant · error · Vagrant::Errors::UnimplementedProviderAction

Vagrant attempted to call the action '%{action}' on the prov

Error message

Vagrant attempted to call the action '%{action}' on the provider
'%{provider}', but this provider doesn't support this action. This
is probably a bug in either the provider or the plugin calling this
action, and should be reported.

What it means

Error "Vagrant attempted to call the action '%{action}' on the provider '%{provider}', but this provider doesn't support this action. This is probably a bug in either the provider or the plugin calling this action, and should be reported." thrown in hashicorp/vagrant.

Source

Thrown at lib/vagrant/machine.rb:206

      vf = @env.vagrantfile_name[0] if @env.vagrantfile_name
      id = Digest::MD5.hexdigest(
        "#{@env.root_path}#{vf}#{@env.local_data_path}#{@name}")

      # We only lock if we're not executing an SSH action. In the future
      # we will want to do more fine-grained unlocking in actions themselves
      # but for a 1.6.2 release this will work.
      locker = Proc.new { |*args, &block| block.call }
      locker = @env.method(:lock) if lock && !name.to_s.start_with?("ssh")

      # Lock this machine for the duration of this action
      return_env = locker.call("machine-action-#{id}") do
        # Get the callable from the provider.
        callable = @provider.action(name)

        # If this action doesn't exist on the provider, then an exception
        # must be raised.
        if callable.nil?
          raise Errors::UnimplementedProviderAction,
            action: name,
            provider: @provider.to_s
        end

        # Call the action
        ui.machine("action", name.to_s, "start")
        action_result = action_raw(name, callable, extra_env)
        ui.machine("action", name.to_s, "end")
        action_result
      end
      # preserve returning environment after machine action runs
      return return_env
    rescue Errors::EnvironmentLockedError
      raise Errors::MachineActionLockedError,
        action: name,
        name: @name
    end

View on GitHub (pinned to 35f3160f4a)

When it happens

Trigger: Thrown at lib/vagrant/machine.rb:206 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of hashicorp/vagrant@35f3160f4a (2026-08-21). Data as JSON: /api/errors/8567fbb16116bf9d. Report an issue: GitHub.