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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5766) bypass addToDeadNodes() while InvalidEncryptionKeyException happens in fetchBlockByteRange
Date Tue, 14 Jan 2014 12:07:50 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870665#comment-13870665

Hadoop QA commented on HDFS-5766:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/5870//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5870//console

This message is automatically generated.

> bypass addToDeadNodes() while InvalidEncryptionKeyException happens in fetchBlockByteRange
> ------------------------------------------------------------------------------------------
>                 Key: HDFS-5766
>                 URL: https://issues.apache.org/jira/browse/HDFS-5766
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 3.0.0
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>         Attachments: HDFS-5766.txt
> Found this issue when i read fetchBlockByteRange code:
> If we hit InvalidEncryptionKeyException, current logic is:
> 1) reduce the retry count
> 2) clearDataEncryptionKey
> 3) addToDeadNodes
> 4) retry in another loop...
> If i am correct, we should treat InvalidEncryptionKeyException similar with InvalidBlockToken
branch, bypassing addToDeadNodes(), since it's a client related, not caused by DN side:)

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