[Satellite6] Upgrade from 6.3.z to 6.4 fails on "Katello::Pool.import_all NoMethodError: undefined method `[]' for nil:NilClass"

Solution Verified - Updated

Environment

Satellite 6.3.3
Satellite 6.3.4
Satellite 6.4

Issue

Upgrading from 6.3.z to 6.4 fails on 

/opt/theforeman/tfm-ror51/root/usr/share/gems/gems/activesupport-5.1.6/lib/active_support/message_encryptor.rb:22: warning: previous definition of DEFAULT_CIPHER was here
rake aborted!
NoMethodError: undefined method `[]' for nil:NilClass
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/lib/katello/resources/candlepin/product.rb:13:in `block in find_for_stacking_id'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/lib/katello/resources/candlepin/product.rb:12:in `each'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/lib/katello/resources/candlepin/product.rb:12:in `find_for_stacking_id'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/models/katello/glue/candlepin/pool.rb:48:in `stacking_subscription'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/models/katello/glue/candlepin/pool.rb:104:in `import_data'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/models/katello/glue/candlepin/candlepin_object.rb:44:in `block (2 levels) in import_all'
/opt/theforeman/tfm-ror51/root/usr/share/gems/gems/activerecord-5.1.6/lib/active_record/relation/delegation.rb:39:in `each'
/opt/theforeman/tfm-ror51/root/usr/share/gems/gems/activerecord-5.1.6/lib/active_record/relation/delegation.rb:39:in `each'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/models/katello/glue/candlepin/candlepin_object.rb:42:in `block in import_all'
/opt/theforeman/tfm-ror51/root/usr/share/gems/gems/activerecord-5.1.6/lib/active_record/relation/delegation.rb:39:in `each'
/opt/theforeman/tfm-ror51/root/usr/share/gems/gems/activerecord-5.1.6/lib/active_record/relation/delegation.rb:39:in `each'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/app/models/katello/glue/candlepin/candlepin_object.rb:38:in `import_all'
/opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41/lib/katello/tasks/import_subscriptions.rake:6:in `block (2 levels) in <top (required)>'
/opt/rh/rh-ruby24/root/usr/share/gems/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
Tasks: TOP => katello:import_subscriptions
(See full trace by running task with --trace)
Importing Subscriptions
foreman-rake katello:import_subscriptions failed! Check the output for error!
Upgrade step set_upstream_pool_id failed. Check logs for more information.

Running foreman-rake console command Katello::Pool.import_all fails on 

irb(main):003:0> Katello::Pool.import_all
NoMethodError: undefined method `[]' for nil:NilClass
        from katello (3.7.0.41) app/lib/katello/resources/candlepin/product.rb:13:in `block in find_for_stacking_id'
        from katello (3.7.0.41) app/lib/katello/resources/candlepin/product.rb:12:in `each'
        from katello (3.7.0.41) app/lib/katello/resources/candlepin/product.rb:12:in `find_for_stacking_id'
        from katello (3.7.0.41) app/models/katello/glue/candlepin/pool.rb:48:in `stacking_subscription'
        from katello (3.7.0.41) app/models/katello/glue/candlepin/pool.rb:104:in `import_data'
        from katello (3.7.0.41) app/models/katello/glue/candlepin/candlepin_object.rb:44:in `block (2 levels) in import_all'
        from katello (3.7.0.41) app/models/katello/glue/candlepin/candlepin_object.rb:42:in `block in import_all'
        from katello (3.7.0.41) app/models/katello/glue/candlepin/candlepin_object.rb:38:in `import_all'
        from (irb):3
        from lib/tasks/console.rake:5:in `block in <top (required)>'

Resolution

Apply patch

cd /opt/theforeman/tfm/root/usr/share/gems/gems/katello-3.7.0.41
patch -p1 < 7776.patch

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

Root Cause

It is a bug, reported in This content is not included.Bugzilla

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