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Description of problem:

Updating a host with hammer, for example:

hammer -u admin -p changeme host update --id="2" --subnet-id="10"

results in:

Could not update the host:
  undefined method `map!' for {}:ActionController::Parameters
  Did you mean?  map

Debug output in attachment

Version-Release number of selected component (if applicable):

satellite-6.3.0-11.1.beta.el7sat.noarch
foreman-1.15.0-0.develop.201703271956git40dd32b.el7sat.noarch

How reproducible:
always

Actual results:
error

Expected results:
successful update

Created attachment 1272266 [details]
hammer debug output

Upstream bug assigned to mhulan

Upstream bug assigned to mhulan

Moving this bug to POST for triage into Satellite 6 since the upstream issue http://projects.theforeman.org/issues/18687 has been resolved.

Verified on Satellite-6.3 Snap 11.

Updates to hosts via hammer work as expected. Requests that have a hash as host_parameters_attributes parameter are converted to an array.

Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA.

For information on the advisory, and where to find the updated files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:0336

Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA.
> 
> For information on the advisory, and where to find the updated files, follow the link below.
> 
> If the solution does not work for you, open a new bug report.
> 
> https://access.redhat.com/errata/RHSA-2018:0336