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Posted to common-issues@hadoop.apache.org by "Michael Stack (Jira)" <ji...@apache.org> on 2022/08/22 16:58:00 UTC
[jira] [Resolved] (HADOOP-18365) Updated addresses are still accessed using the old IP address
[ https://issues.apache.org/jira/browse/HADOOP-18365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Stack resolved HADOOP-18365.
------------------------------------
Hadoop Flags: Reviewed
Resolution: Fixed
PR merged to branch-3.3 and to trunk. Resolving. Thanks for the contribution [~svaughan]
> Updated addresses are still accessed using the old IP address
> -------------------------------------------------------------
>
> Key: HADOOP-18365
> URL: https://issues.apache.org/jira/browse/HADOOP-18365
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common
> Affects Versions: 3.4.0, 3.3.9
> Environment: Demonstrated in a Kubernetes environment running Java 11.
> Reporter: Steve Vaughan
> Assignee: Steve Vaughan
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.9
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> When the IPC Client recognizes that an IP address has changed, it updates the server field and logs a message:
> Address change detected. Old: journalnode-1.journalnode.hdfs.svc.cluster.local/10.1.0.178:8485 New: journalnode-1.journalnode.hdfs.svc.cluster.local/10.1.0.182:8485
> Although the change is detected, the client will continue to connect to the old IP address, resulting in repeated log messages. This is seen in managed environments when JournalNode syncing is enabled and a JournalNode is restarted, with the remaining nodes in the set repeatedly logging this message when syncing to the restarted JournalNode.
> The source of the problem is that the remoteId.address is not updated.
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