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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6951) Saving namespace and restarting NameNode will remove existing encryption zones
Date Tue, 02 Sep 2014 23:15:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14118936#comment-14118936

Hadoop QA commented on HDFS-6951:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision 6595e92.

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
test files.

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

    {color:green}+1 javadoc{color}.  There were no new javadoc 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
2.0.3) warnings.

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

    {color:red}-1 core tests{color}.  The patch failed these 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/7873//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/7873//console

This message is automatically generated.

> Saving namespace and restarting NameNode will remove existing encryption zones
> ------------------------------------------------------------------------------
>                 Key: HDFS-6951
>                 URL: https://issues.apache.org/jira/browse/HDFS-6951
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: encryption
>    Affects Versions: 3.0.0
>            Reporter: Stephen Chu
>            Assignee: Charles Lamb
>         Attachments: HDFS-6951-prelim.002.patch, HDFS-6951-testrepo.patch, HDFS-6951.001.patch,
HDFS-6951.002.patch, HDFS-6951.003.patch, HDFS-6951.004.patch, editsStored
> Currently, when users save namespace and restart the NameNode, pre-existing encryption
zones will be wiped out.
> I could reproduce this on a pseudo-distributed cluster:
> * Create an encryption zone
> * List encryption zones and verify the newly created zone is present
> * Save the namespace
> * Kill and restart the NameNode
> * List the encryption zones and you'll find the encryption zone is missing
> I've attached a test case for {{TestEncryptionZones}} that reproduces this as well. Removing
the saveNamespace call will get the test to pass.

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