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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15042) Azure PageBlobInputStream.skip() can return negative value when numberOfPagesRemaining is 0
Date Tue, 28 Nov 2017 12:00:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16268632#comment-16268632
] 

Steve Loughran commented on HADOOP-15042:
-----------------------------------------

+1 committed to: trunk, branch-3, branch-2
 
minor commentary

* please markup the versions which have this problem and which the patch is intended for.
* you can run the tests in parallel for faster test runs...look at hadoop-tools/hadoop-azure/src/site/markdown/testing_azure.md
for the instructions.



> Azure PageBlobInputStream.skip() can return negative value when numberOfPagesRemaining
is 0
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15042
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15042
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>    Affects Versions: 2.9.0
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>         Attachments: HADOOP-15042.001.patch
>
>
> {{PageBlobInputStream::skip-->skipImpl}} returns negative values when {{numberOfPagesRemaining=0}}.
This can cause wrong position to be set in NativeAzureFileSystem::seek() and can lead to errors.



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