[jira] [Created] (YARN-8277) [UI2] Changing the user name for service in the new UI does not update the hadoop.auth cookie

["Gergely Novák (JIRA)" <ji...@apache.org>]

Gergely Novák created YARN-8277:
-----------------------------------

             Summary: [UI2] Changing the user name for service in the new UI does not update the hadoop.auth cookie
                 Key: YARN-8277
                 URL: https://issues.apache.org/jira/browse/YARN-8277
             Project: Hadoop YARN
          Issue Type: Bug
          Components: yarn-ui-v2
            Reporter: Gergely Novák


Steps to reproduce:
1) Click on "New Service" on the new YARN UI.
2) Provide an invalid, not existing user (e.g. "invalid").
3) Provide a service definition (e.g. sleeper) via the form or json.
4) Press deploy.
5) Response: Error: Adapter operation failed. With developer tools you can check that {{/app/v1/services/?user.name=invalid}} gave a 403 status code with this diagnostic message:
{code}
"Permission denied: user=invalid, access=EXECUTE, ...
{code}
6) Fix the user name, provide an existing user.
7) Press deploy.

Expected behaviour: the user should successfully deploy the service.
Current behaviour: The error response is the same.

Root cause: The query parameter of the new request is correct ({{?user.name=existing_user}}), however the hadoop.auth cookie is the old one: {{"u=invalid&p=invalid&t=simple-dt&e=1526073119565...}}. Thus the request will fail with the same "Permission denied" error. 

The only workaround for the user to fix this is to clear the hadoop.auth cookie from the browser. 



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