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https://issues.apache.org/jira/browse/HIVE-20958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695432#comment-16695432
 ] 

Hive QA commented on HIVE-20958:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
47s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
15s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
30s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
31s{color} | {color:blue} common in master has 65 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
13s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
15s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
29s{color} | {color:red} common: The patch generated 74 new + 1799 unchanged - 
181 fixed = 1873 total (was 1980) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
38s{color} | {color:red} common generated 1 new + 56 unchanged - 9 fixed = 57 
total (was 65) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
13s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 12m  8s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:common |
|  |  Possible null pointer dereference of codahaleReporter in 
org.apache.hadoop.hive.common.metrics.metrics2.CodahaleMetrics.initMetricsReporter()
 on exception path  Dereferenced at CodahaleMetrics.java:codahaleReporter in 
org.apache.hadoop.hive.common.metrics.metrics2.CodahaleMetrics.initMetricsReporter()
 on exception path  Dereferenced at CodahaleMetrics.java:[line 455] |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  xml  compile  findbugs  
checkstyle  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-15036/dev-support/hive-personality.sh
 |
| git revision | master / ddf3b6c |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-15036/yetus/diff-checkstyle-common.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-15036/yetus/new-findbugs-common.html
 |
| modules | C: common U: common |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-15036/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Cleaning of code at Hive-common using automatic inspection tool.
> ----------------------------------------------------------------
>
>                 Key: HIVE-20958
>                 URL: https://issues.apache.org/jira/browse/HIVE-20958
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: slim bouguerra
>            Assignee: slim bouguerra
>            Priority: Minor
>         Attachments: HIVE-20958.patch
>
>
> mostly cleaning imports  like .* 
> re ordering imports.
> remove the unused ones
> some logic simplification.
> Use lambdas when possible.
>  



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