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https://issues.apache.org/jira/browse/HDFS-13682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Chen updated HDFS-13682:
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Attachment: (was: HDFS-13682.01.patch)
> Cannot create encryption zone after KMS auth token expires
> ----------------------------------------------------------
>
> Key: HDFS-13682
> URL: https://issues.apache.org/jira/browse/HDFS-13682
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: encryption, namenode
> Affects Versions: 3.0.0
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Priority: Critical
> Attachments: HDFS-13682.01.patch,
> HDFS-13682.dirty.repro.branch-2.patch, HDFS-13682.dirty.repro.patch
>
>
> Our internal testing reported this behavior recently.
> {noformat}
> [root@nightly6x-1 ~]# sudo -u hdfs /usr/bin/kinit -kt
> /cdep/keytabs/hdfs.keytab hdfs -l 30d -r 30d
> [root@nightly6x-1 ~]# sudo -u hdfs klist
> Ticket cache: FILE:/tmp/krb5cc_994
> Default principal: h...@gce.cloudera.com
> Valid starting Expires Service principal
> 06/12/2018 03:24:09 07/12/2018 03:24:09
> krbtgt/gce.cloudera....@gce.cloudera.com
> [root@nightly6x-1 ~]# sudo -u hdfs hdfs crypto -createZone -keyName key77
> -path /user/systest/ez
> RemoteException:
> org.apache.hadoop.security.authentication.client.AuthenticationException:
> GSSException: No valid credentials provided (Mechanism level: Failed to find
> any Kerberos tgt)
> {noformat}
> Upon further investigation, it's due to the KMS client (cached in HDFS NN)
> cannot authenticate with the server after the authentication token (which is
> cached by KMSCP) expires, even if the HDFS client RPC has valid kerberos
> credentials.
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