[Satellite 6] Content view publish task fails with 'RestClient::InternalServerError: 500 Internal Server Error'

Environment

• Red Hat Satellite 6.2.x

Issue

• When publish a new version of Content view it fails with following error:

Actions::Pulp::Repository::CopyRpm (error) [ 122.29s / 122.29s ]  

RestClient::InternalServerError: 500 Internal Server Error    

• Unable to resume or Cancel the Content View Publish task.

Resolution

• On Red Hat Satellite try following command to clean Actions::Katello::ContentView::Publish task:

 # service foreman-tasks stop

 # foreman-rake console

 irb(main):004:0> ForemanTasks::Task.where(:state => :paused).where(:label => "Actions::Katello::ContentView::Publish").destroy_all
 
 irb(main):004:0> exit

 # service foreman-tasks start

• Now try to publish a new version of affected Content view.

Note: After following up the mentioned steps if you are still facing the same issue then please open a case with Red Hat Technical support for further assistance.

For more KB articles/solutions related to Red Hat Satellite 6.x Content View Issues, please refer to the Red Hat Satellite Consolidated Troubleshooting Article for Red Hat Satellite 6.x Content View Issues

Diagnostic Steps

• On Red Hat Satellite check Actions::Katello::ContentView::Publish task status at below path:

- On Satellite GUI:

   Monitor => Tasks => search ' label = Actions::Katello::ContentView::Publish' => Click on task => Dynflow Console => under 'Run' => ' Actions::Pulp::Repository::CopyRpm ' fails with below error:
------------------------------------------------------------------------------------>
RestClient::InternalServerError

500 Internal Server Error

---
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/abstract_response.rb:48:in
  `return!'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/runcible-1.11.0/lib/runcible/base.rb:79:in
  `block in get_response'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/request.rb:228:in
  `call'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/request.rb:228:in
  `process_result'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rbovirt-0.0.37/lib/restclient_ext/request.rb:50:in
  `block in transmit'"
- "/opt/rh/rh-ruby22/root/usr/share/ruby/net/http.rb:853:in `start'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rbovirt-0.0.37/lib/restclient_ext/request.rb:44:in
  `transmit'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/request.rb:64:in
  `execute'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/request.rb:33:in
  `execute'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/resource.rb:51:in
  `get'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/runcible-1.11.0/lib/runcible/base.rb:78:in
  `get_response'"
- "/opt/theforeman/tfm/root/usr/share/gems/gems/runcible-1.11.0/lib/runcible/base.rb:66:in
  `call'"
------------------------------------------------------------------------------------>

• On Red Hat Satellite run following command to see Actions::Katello::ContentView::Publish tasks status:

 # su - postgres -c "psql -d foreman -c 'select label,count(label),state from foreman_tasks_tasks where state <> '\''stopped'\'' group by label,state;'" |grep 'Actions::Katello::ContentView::Publish'

 Actions::Katello::ContentView::Publish      |     1 | paused                    <== Task showing in 'paused' state.

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