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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17534) SecureBulkLoadClient squashes DoNotRetryIOExceptions from the server
Date Thu, 26 Jan 2017 00:42:26 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838908#comment-15838908

Josh Elser commented on HBASE-17534:

bq. TestHRegionServerBulkLoad tests the SecureBulkLoadClient

Didn't put them there because they don't need a minicluster to run. Keeping them in hbase-client,
we can catch breakages faster.

> SecureBulkLoadClient squashes DoNotRetryIOExceptions from the server
> --------------------------------------------------------------------
>                 Key: HBASE-17534
>                 URL: https://issues.apache.org/jira/browse/HBASE-17534
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 1.4.0, 1.3.1, 1.2.5, 1.1.9
>         Attachments: HBASE-17534.001.branch-1.patch
> While writing some tests against 1.x, I noticed that what should have been a DoNotRetryIOException
sent to the client from a RegionServer was getting retried until it reached the hbase client
retries limit.
> Upon inspection, I found that the SecureBulkLoadClient was wrapping all Exceptions from
the RPC as an IOException. I believe this is creating a case where the RPC system doesn't
notice that there's a DNRIOException wrapped beneath it, thinking it's a transient error.
> This results in clients having to wait for the retry limit to be reached before they
get acknowledgement that something failed.

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