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Posted to hdfs-issues@hadoop.apache.org by "Adam Antal (JIRA)" <ji...@apache.org> on 2018/11/06 10:20:01 UTC

[jira] [Assigned] (HDFS-13985) Clearer error message for ReplicaNotFoundException

     [ https://issues.apache.org/jira/browse/HDFS-13985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adam Antal reassigned HDFS-13985:
---------------------------------

    Assignee: Adam Antal

> Clearer error message for ReplicaNotFoundException
> --------------------------------------------------
>
>                 Key: HDFS-13985
>                 URL: https://issues.apache.org/jira/browse/HDFS-13985
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>            Reporter: Adam Antal
>            Assignee: Adam Antal
>            Priority: Major
>
> The issue is that we came across a ReplicaNotFoundException in a bug report, the most informative thing we could get is "Replica not found for [ExtendedBlock]". If someone tries to investigate cases including ReplicaNotFoundExceptions should review diagnostic bundles, dig through logs, but as a starting point enhancing the exception message would boost this process, and be beneficial in the long run.
> More concretely, it would be helpful if any of the following information was displayed along with the exception: file's name, replication factor or block location.



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