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https://issues.apache.org/jira/browse/HADOOP-10015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13943169#comment-13943169
]
Hadoop QA commented on HADOOP-10015:
------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12636029/10015.v5.patch
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 tests.
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}. 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 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-common-project/hadoop-common.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/3688//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/3688//console
This message is automatically generated.
> UserGroupInformation prints out excessive ERROR warnings
> --------------------------------------------------------
>
> Key: HADOOP-10015
> URL: https://issues.apache.org/jira/browse/HADOOP-10015
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Haohui Mai
> Assignee: Nicolas Liochon
> Fix For: 3.0.0, 2.3.0, 2.4.0
>
> Attachments: 10015.v3.patch, 10015.v4.patch, 10015.v5.patch,
> HADOOP-10015.000.patch, HADOOP-10015.001.patch, HADOOP-10015.002.patch
>
>
> In UserGroupInformation::doAs(), it prints out a log at ERROR level whenever
> it catches an exception.
> However, it prints benign warnings in the following paradigm:
> {noformat}
> try {
> ugi.doAs(new PrivilegedExceptionAction<FileStatus>() {
> @Override
> public FileStatus run() throws Exception {
> return fs.getFileStatus(nonExist);
> }
> });
> } catch (FileNotFoundException e) {
> }
> {noformat}
> For example, FileSystem#exists() follows this paradigm. Distcp uses this
> paradigm too. The exception is expected therefore there should be no ERROR
> logs printed in the namenode logs.
> Currently, the user quickly finds out that the namenode log is quickly filled
> by _benign_ ERROR logs when he or she runs distcp in secure set up. This
> behavior confuses the operators.
> This jira proposes to move the log to DEBUG level.
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