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https://issues.apache.org/jira/browse/HADOOP-8814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13456493#comment-13456493
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Hadoop QA commented on HADOOP-8814:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12545290/HADOOP-8814.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 2 new or modified test
files.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
-1 findbugs. The patch appears to introduce 1 new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these unit tests in
hadoop-common-project/hadoop-common:
org.apache.hadoop.ha.TestZKFailoverController
org.apache.hadoop.util.TestStringUtils
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/1471//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HADOOP-Build/1471//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-common.html
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/1471//console
This message is automatically generated.
> Inefficient comparison with the empty string. Use isEmpty() instead
> -------------------------------------------------------------------
>
> Key: HADOOP-8814
> URL: https://issues.apache.org/jira/browse/HADOOP-8814
> Project: Hadoop Common
> Issue Type: Improvement
> Components: conf, fs, fs/s3, ha, io, metrics, performance, record,
> security, util
> Reporter: Brandon Li
> Assignee: Brandon Li
> Priority: Minor
> Attachments: HADOOP-8814.patch
>
>
> Prior to JDK 6, we can check if a string is empty by doing "".equals(s) or
> s.equals("").
> Starting from JDK 6, String class has a new convenience and efficient method
> isEmpty() to check string's length.
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