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From "Robert Levas" <>
Subject Review Request 35518: Kerberos Wizard: Moving between steps 2 and 3 back/forward cause API error.
Date Tue, 16 Jun 2015 14:21:00 GMT

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Review request for Ambari, Aleksandr Kovalenko, Andrii Tkach, Jaimin Jetly, and Yusaku Sako.

Bugs: AMBARI-11949

Repository: ambari


* Install cluster with HDFS, Hive and dependcies.
* Start Kerberos Wizard
* Proceed to step 3 *Install and Test Kerberos Client*
* Go back to step2 *Configure Kerberos*
* Click on next button

AR: Popup with request error shown
500 status code recieved on POST method for API: /api/v1/clusters/c1/hosts

Error message: org.apache.ambari.server.controller.spi.SystemException: An internal system
exception occurred: ServiceComponent not found, clusterName=c1, serviceName=KERBEROS, serviceComponentName=KERBEROS_CLIENT

After popup confirmation click on Next button doesn't do anything.
ER: No errors shown, user can proceed to the next step.

Workaround: Refresh page on step2 and hit Next button.


  ambari-web/app/controllers/main/admin/kerberos/step2_controller.js a34dc30 



Manually tested
Local unit tests ran

#Jenkins test results: PENDING


Robert Levas

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