[jira] [Commented] (HDFS-8068) Do not retry rpc calls If the proxy contains unresolved address

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-8068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14603673#comment-14603673 ] 

Hadoop QA commented on HDFS-8068:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch |   0m  0s | The patch command could not apply the patch during dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12723657/HDFS-8068.v2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / aa07dea |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/11508/console |


This message was automatically generated.

> 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
>              Labels: BB2015-05-TBR
>         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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