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https://issues.apache.org/jira/browse/HDFS-15474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17160890#comment-17160890
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Takanobu Asanuma commented on HDFS-15474:
-----------------------------------------
It seems an interesting idea. Actually, our cluster has multiple HttpFS
servers, and they share delegation tokens using a ZooKeeper cluster.
> HttpFS: WebHdfsFileSystem cannot renew an expired delegation token from
> HttpFS response
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-15474
> URL: https://issues.apache.org/jira/browse/HDFS-15474
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
>
> When clients use WebHdfsFileSystem for HttpFS, they cannot renew expired
> delegation tokens with the following error.
> {noformat}
> org.apache.hadoop.ipc.RemoteException:
> org.apache.hadoop.security.token.SecretManager$InvalidToken: token
> (owner=..., renewer=..., realUser=..., issueDate=..., maxDate=...,
> sequenceNumber=..., masterKeyId=...) is expired
> at
> org.apache.hadoop.hdfs.web.JsonUtilClient.toRemoteException(JsonUtilClient.java:89)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:509)
> ...
> {noformat}
> When using WebHdfsFileSystem for NameNode, it succeeds. This is because the
> response of HttpFS is different from its of NameNode. We should fix the
> response of HttpFS.
> This issue is reported by Masayuki Yatagawa.
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