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https://issues.apache.org/jira/browse/HDFS-8068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-8068:
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Target Version/s: (was: 2.8.0)
> Do not retry rpc calls If the proxy contains unresolved address
> ---------------------------------------------------------------
>
> Key: HDFS-8068
> URL: https://issues.apache.org/jira/browse/HDFS-8068
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Attachments: HDFS-8068.v1.patch, HDFS-8068.v2.patch
>
>
> When the InetSocketAddress object happens to be unresolvable (e.g. due to
> transient DNS issue), the rpc proxy object will not be usable since the
> client will throw UnknownHostException when a Connection object is created.
> If FailoverOnNetworkExceptionRetry is used as in the standard HA failover
> proxy, the call will be retried, but this will never recover. Instead, the
> validity of address must be checked on pxoy creation and throw if it is
> invalid.
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