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https://issues.apache.org/jira/browse/HDFS-9304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mingliang Liu updated HDFS-9304:
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Attachment: HDFS-9304.000.patch
> Add HdfsClientConfigKeys class to TestHdfsConfigFields#configurationClasses
> ---------------------------------------------------------------------------
>
> Key: HDFS-9304
> URL: https://issues.apache.org/jira/browse/HDFS-9304
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: build
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Attachments: HDFS-9304.000.patch
>
>
> *tl;dr* Since {{HdfsClientConfigKeys}} holds client side config keys, we need
> to add this class to {{TestHdfsConfigFields#configurationClasses}}.
> Now the {{TestHdfsConfigFields}} unit test passes because {{DFSConfigKeys}}
> still contains all the client side config keys, though marked @deprecated. As
> we add new client config keys (e.g. [HDFS-9259]), the unit test will fail
> with the following error:
> {quote}
> hdfs-default.xml has 1 properties missing in class
> org.apache.hadoop.hdfs.DFSConfigKeys
> {quote}
> If the logic is to make the {{DFSConfigKeys}} and {{HdfsClientConfigKeys}}
> together cover all config keys in {{hdfs-default.xml}}, we need to put both
> of them in {{TestHdfsConfigFields#configurationClasses}}.
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