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https://issues.apache.org/jira/browse/YARN-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16254037#comment-16254037
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Gergo Repas commented on YARN-4813:
-----------------------------------
My tests suggest that the "Request is a replay" error is indeed triggered by
too frequent requests. Without rate limiting the web service calls 14 out of
500 test runs failed on this issue, with 2/sec rate limiting 7 out of 500 runs
failed, and with 1/sec rate limit only 1 out of 500 runs failed. I think the
1/sec rate limiting is a good compromise, I'm uploading a patch for this.
The other approach I have considered was disabling the replay cache for the
test, but because it's done via a system property, all tests would be affected,
it's too intrusive.
> TestRMWebServicesDelegationTokenAuthentication.testDoAs fails intermittently
> ----------------------------------------------------------------------------
>
> Key: YARN-4813
> URL: https://issues.apache.org/jira/browse/YARN-4813
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.9.0
> Reporter: Daniel Templeton
> Assignee: Gergo Repas
>
> {noformat}
> -------------------------------------------------------
> T E S T S
> -------------------------------------------------------
> Running
> org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication
> Tests run: 8, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 11.627 sec
> <<< FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication
> testDoAs[0](org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication)
> Time elapsed: 0.208 sec <<< ERROR!
> java.io.IOException: Server returned HTTP response code: 403 for URL:
> http://localhost:8088/ws/v1/cluster/delegation-token
> at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1626)
> at
> org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication$3.call(TestRMWebServicesDelegationTokenAuthentication.java:407)
> at
> org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication$3.call(TestRMWebServicesDelegationTokenAuthentication.java:398)
> at
> org.apache.hadoop.security.authentication.KerberosTestUtils$1.run(KerberosTestUtils.java:120)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.authentication.KerberosTestUtils.doAs(KerberosTestUtils.java:117)
> at
> org.apache.hadoop.security.authentication.KerberosTestUtils.doAsClient(KerberosTestUtils.java:133)
> at
> org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication.getDelegationToken(TestRMWebServicesDelegationTokenAuthentication.java:398)
> at
> org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokenAuthentication.testDoAs(TestRMWebServicesDelegationTokenAuthentication.java:357)
> Results :
> Tests in error:
>
> TestRMWebServicesDelegationTokenAuthentication.testDoAs:357->getDelegationToken:398
> ยป IO
> Tests run: 8, Failures: 0, Errors: 1, Skipped: 0
> {noformat}
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