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https://issues.apache.org/jira/browse/HDFS-14284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16961893#comment-16961893
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hemanthboyina commented on HDFS-14284:
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{quote}Derrive the RouterIOException from the RemoteException, And check the
{{getMessage}} and {{getRouterID}} are giving correct stuff.
{quote}
have checked with assert contains as it goes unwrapped as {{RemoteException}}
All other comments were handled will post the patch soon. thanks
> RBF: Log Router identifier when reporting exceptions
> ----------------------------------------------------
>
> Key: HDFS-14284
> URL: https://issues.apache.org/jira/browse/HDFS-14284
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: hemanthboyina
> Priority: Major
> Attachments: HDFS-14284.001.patch, HDFS-14284.002.patch,
> HDFS-14284.003.patch, HDFS-14284.004.patch, HDFS-14284.005.patch,
> HDFS-14284.006.patch, HDFS-14284.007.patch
>
>
> The typical setup is to use multiple Routers through
> ConfiguredFailoverProxyProvider.
> In a regular HA Namenode setup, it is easy to know which NN was used.
> However, in RBF, any Router can be the one reporting the exception and it is
> hard to know which was the one.
> We should have a way to identify which Router/Namenode was the one triggering
> the exception.
> This would also apply with Observer Namenodes.
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