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https://issues.apache.org/jira/browse/HDFS-3694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421677#comment-13421677
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Aaron T. Myers commented on HDFS-3694:
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+1, the patch looks good to me.
> QJM: Fix getEditLogManifest to fetch httpPort if necessary
> ----------------------------------------------------------
>
> Key: HDFS-3694
> URL: https://issues.apache.org/jira/browse/HDFS-3694
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hdfs-3694.txt
>
>
> This is necessary for QJM to work with HA. When the NNs start up, they start
> in standby state and try to read from the JournalNodes. So they call
> {{getEditLogManifest()}}. But they don't call {{getJournalInfo}} so the
> {{httpPort}} field doesn't get filled in. This means that when they try to
> actually fetch the remote edits, they fail since they don't know the JN's
> HTTP port.
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