Description of problem:


The UI throws, the below error message.

Error
PGError: ERROR: value too long for type character varying(255) : INSERT INTO "puppetclasses" ("created_at", "global_class_params_count", "hostgroups_count", "hosts_count", "lookup_keys_count", "name", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING "id"

tail -f /var/log/foreman/production.log

Processing by PuppetclassesController#create as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"ZUu7JwWwi9oIxqW9tXw7OONp9Ea54Y8MF2gfGMFOcjc=", "puppetclass"=>{"name"=>"ffffffffffffffffffffffffffffffffffddddddddddddddddddddhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhggggggggggggggggggggggggbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxgggggggggggggggggggggggggggggggggggggggggggggggggggggggyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyypppppppppppppppppppppppppppppppppppmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm", "hostgroup_ids"=>[""], "lookup_keys_attributes"=>{"new_lookup_keys"=>{"_destroy"=>"false", "key"=>"", "description"=>"", "key_type"=>"string", "default_value"=>"[FILTERED]", "validator_type"=>"", "path"=>"fqdn\r\nhostgroup\r\nos\r\ndomain", "lookup_values_attributes"=>"[FILTERED]"}}}, "commit"=>"Submit"}
Operation FAILED: PGError: ERROR:  value too long for type character varying(255)
: INSERT INTO "puppetclasses" ("created_at", "global_class_params_count", "hostgroups_count", "hosts_count", "lookup_keys_count", "name", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING "id"
  Rendered common/500.html.erb within layouts/application (15.1ms)
  Rendered layouts/base.html.erb (3.3ms)
Completed 500 Internal Server Error in 71ms (Views: 24.5ms | ActiveRecord: 6.7ms)


Version-Release number of selected component (if applicable):
sat6-GA-snap3

How reproducible:
always

Steps to Reproduce:
1.
2.
3.

Actual results:
UI throws the PGError as mentioned above.

Expected results:
The PGError needs to be handled gracefully when more than 256 chars are used.

Additional info: