Fix comparing equality between `ActionController::Parameters` and a `Hash`....

app/controllers/concerns/service_params.rb

@@ -72,7 +72,7 @@ module ServiceParams
     dynamic_params = @service.event_channel_names + @service.event_names # rubocop:disable Gitlab/ModuleWithInstanceVariables
     service_params = params.permit(:id, service: allowed_service_params + dynamic_params)
 
-    if service_params[:service].is_a?(Hash)
+    if service_params[:service].is_a?(ActionController::Parameters)
       FILTER_BLANK_PARAMS.each do |param|
         service_params[:service].delete(param) if service_params[:service][param].blank?
       end

changelogs/unreleased/fix_jira_integration_VCS1019.yml

+---
+title: Fix Jira Service password validation on project integration services.
+merge_request: 24896
+author: Daniel Juarez
+type: fixed

spec/controllers/projects/services_controller_spec.rb

@@ -152,6 +152,16 @@ describe Projects::ServicesController do
         expect(service.namespace).not_to eq('updated_namespace')
       end
     end
+
+    context 'when activating JIRA service from a template' do
+      let(:template_service) { create(:jira_service, project: project, template: true) }
+
+      it 'activate JIRA service from template' do
+        put :update, params: { namespace_id: project.namespace, project_id: project, id: service.to_param, service: { active: true } }
+
+        expect(flash[:notice]).to eq 'JIRA activated.'
+      end
+    end
   end
 
   describe "GET #edit" do