[ambari] Diff for: [GitHub] hiveww closed pull request #2738: AMBARI-25060. Install wizard fails on step 8

[GitBox]

diff --git a/ambari-web/app/controllers/wizard/step8_controller.js 
b/ambari-web/app/controllers/wizard/step8_controller.js
index dd37f9f7812..e47b48b7d68 100644
--- a/ambari-web/app/controllers/wizard/step8_controller.js
+++ b/ambari-web/app/controllers/wizard/step8_controller.js
@@ -503,8 +503,8 @@ App.WizardStep8Controller = 
Em.Controller.extend(App.AddSecurityConfigs, App.wiz
       }
       else {
         var componentName = component.get('isClient') ? 
Em.I18n.t('common.client').toUpperCase() : component.get('componentName');
-        var hostsLength = this.get('content.slaveComponentHosts')
-          .findProperty('componentName', componentName).hosts.length;
+        var component = 
this.get('content.slaveComponentHosts').findProperty('componentName', 
componentName);
+        var hostsLength = component ? component.hosts.length : 0;
         componentValue = hostsLength + Em.I18n.t('installer.step8.host' + 
(hostsLength > 1 ? 's' : ''));
       }
     }


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