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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