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Posted to hdfs-issues@hadoop.apache.org by "Ayush Saxena (Jira)" <ji...@apache.org> on 2026/04/03 06:27:00 UTC

[jira] [Updated] (HDFS-17888) Fix MiniCluster startup & HttpServer service's conf issues.

     [ https://issues.apache.org/jira/browse/HDFS-17888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ayush Saxena updated HDFS-17888:
--------------------------------
    Fix Version/s: 3.5.1

> Fix MiniCluster startup & HttpServer service's conf issues.
> -----------------------------------------------------------
>
>                 Key: HDFS-17888
>                 URL: https://issues.apache.org/jira/browse/HDFS-17888
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Zhaobo Huang
>            Assignee: Zhaobo Huang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.5.1, 3.6.0
>
>
> Startup MiniCluster
> nohup bin/mapred minicluster -format -nomr > log 2>&1 &
> When using the CLI MiniCluster feature for testing of other functions, the following issues were found:
> * Currently, MiniCluster cannot be started due to the absence of the Jupiter package.
> * If the HttpServer port is 0, a free port will be randomly assigned, but The port on DataNode UI is 0.
> * DataNode HttpServer port usage error. According to NameNode, the port used here should be RpcServer, not the port for data transmission.
> + Add logs related to httpServer to view the NameNode httpServer port, making it easier for users to find the HttpServer address and view some data.



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