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https://issues.apache.org/jira/browse/YARN-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272834#comment-16272834
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Robert Kanter commented on YARN-4813:
-------------------------------------
One last thing and I think we're good to go:
- Instead of clearing the System property, we should store its original value
before setting it, and restore that value when we're done. This way, if the
property had been previously set to something for some reason, we put it back
to it's original value instead of deleting it. (That's a good thing to do in
general with this sort of pattern too)
> 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
> Attachments: YARN-4813.000.patch, YARN-4813.001.patch,
> YARN-4813.002.patch
>
>
> {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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