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Posted to yarn-issues@hadoop.apache.org by "Peter Bacsko (JIRA)" <ji...@apache.org> on 2019/04/08 13:57:00 UTC

[jira] [Created] (YARN-9461) TestRMWebServicesDelegationTokenAuthentication.testCancelledDelegationToken fails with HTTP 400

Peter Bacsko created YARN-9461:
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             Summary: TestRMWebServicesDelegationTokenAuthentication.testCancelledDelegationToken fails with HTTP 400
                 Key: YARN-9461
                 URL: https://issues.apache.org/jira/browse/YARN-9461
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager, test
            Reporter: Peter Bacsko
            Assignee: Peter Bacsko


The test {{TestRMWebServicesDelegationTokenAuthentication.testCancelledDelegationToken}} sometimes fails with the following error:

{noformat}
java.io.IOException: Server returned HTTP response code: 400 for URL: http://localhost:8088/ws/v1/cluster/delegation-token
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication.cancelDelegationToken(TestRMWebServicesDelegationTokenAuthentication.java:462)
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication.testCancelledDelegationToken(TestRMWebServicesDelegationTokenAuthentication.java:283)
{noformat}

The problem is that for whatever reason, Jetty seems to execute the token cancellation REST call twice. First we get HTTP 200 OK, but the second request fails with HTTP 400 Bad Request.

The {{MockRM}} instance is static. Something could be a problem in this class and it turned out that using separate {{MockRM}} instances solves the flakiness.



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