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https://issues.apache.org/jira/browse/HDFS-17888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18065147#comment-18065147
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ASF GitHub Bot commented on HDFS-17888:
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steveloughran merged PR #8289:
URL: https://github.com/apache/hadoop/pull/8289
> 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
>
> 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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