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https://issues.apache.org/jira/browse/HDFS-11753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16509511#comment-16509511
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Brahma Reddy Battula commented on HDFS-11753:
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AFAIK, HDFS-12407 address this issue.. can you please confirm..?
> Multiple JournalNode Daemons Coexist
> ------------------------------------
>
> Key: HDFS-11753
> URL: https://issues.apache.org/jira/browse/HDFS-11753
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: journal-node
> Affects Versions: 3.0.0-alpha2, 2.8.1, 2.8.2
> Reporter: Doris Gu
> Priority: Major
> Attachments: HDFS-11753.001.patch
>
>
> Add exception catch and termination. If I start journalnode multiple times, I
> get multiple journalnode daemons that don't work for I config the same port.
> {quote}[hdfs@localhost ~]$ jps
> *10107 JournalNode*
> *46023 JournalNode*
> 57944 NameNode
> 46539 Jps
> 57651 DFSZKFailoverController
> 57909 DataNode
> *57739 JournalNode*
> *45721 JournalNode*{quote}
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