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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9022) Move NameNode.getAddress() and NameNode.getUri() to hadoop-hdfs-client
Date Thu, 17 Sep 2015 06:57:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14791677#comment-14791677
] 

Mingliang Liu commented on HDFS-9022:
-------------------------------------

The only failing test {{TestReplaceDatanodeOnFailure}} fails occasionally as a known bug,
see [HDFS-6101]. Timeout tests can not reproduced in my local Mac.


New javac warning in TestMRCredentials.java:
{quote}getUri(InetSocketAddress) in NameNode has been deprecated{quote}
This is expected as we will file a new jira to replace the {{NameNode.getUri()}} with {{DFSUtilClient.getNNUri()}}.
See [comments above | https://issues.apache.org/jira/browse/HDFS-9022?focusedCommentId=14791104&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14791104]

> Move NameNode.getAddress() and NameNode.getUri() to hadoop-hdfs-client
> ----------------------------------------------------------------------
>
>                 Key: HDFS-9022
>                 URL: https://issues.apache.org/jira/browse/HDFS-9022
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client, namenode
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>         Attachments: HDFS-9022.000.patch, HDFS-9022.001.patch, HDFS-9022.002.patch, HDFS-9022.003.patch,
HDFS-9022.004.patch
>
>
> The static helper methods in NameNodes are used in {{hdfs-client}} module. For example,
it's used by the {{DFSClient}} and {{NameNodeProxies}} classes which are being moved to {{hadoop-hdfs-client}}
module. Meanwhile, we should keep the {{NameNode}} class itself in the {{hadoop-hdfs}} module.
> This jira tracks the effort of moving the following static helper methods out of  {{NameNode}}
and thus {{hadoop-hdfs}} module. A good place to put these methods is the {{DFSUtilClient}}
class:
> {code}
> public static InetSocketAddress getAddress(String address);
> public static InetSocketAddress getAddress(Configuration conf);
> public static InetSocketAddress getAddress(URI filesystemURI);
> public static URI getUri(InetSocketAddress namenode);
> {code}
> Be cautious not to bring new checkstyle warnings.



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