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https://issues.apache.org/jira/browse/HIVE-18549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16342374#comment-16342374
 ] 

Hive QA commented on HIVE-18549:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Findbugs executables are not available. {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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
19s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
17s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
34s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
25s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
24s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
20s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
16s{color} | {color:red} service in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
17s{color} | {color:red} service in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 17s{color} 
| {color:red} service in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
12s{color} | {color:red} service: The patch generated 20 new + 26 unchanged - 0 
fixed = 46 total (was 26) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
26s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
12s{color} | {color:red} The patch generated 7 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 10m 47s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| 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/dev-support/hive-personality.sh |
| git revision | master / 1833ac9 |
| Default Java | 1.8.0_111 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-8879/yetus/patch-mvninstall-service.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-8879/yetus/patch-compile-service.txt
 |
| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-8879/yetus/patch-compile-service.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-8879/yetus/diff-checkstyle-service.txt
 |
| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-8879/yetus/whitespace-eol.txt 
|
| asflicense | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-8879/yetus/patch-asflicense-problems.txt
 |
| modules | C: common service U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-8879/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Option to create null session handle for hive server.
> -----------------------------------------------------
>
>                 Key: HIVE-18549
>                 URL: https://issues.apache.org/jira/browse/HIVE-18549
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Purshotam Shah
>            Assignee: Purshotam Shah
>            Priority: Major
>         Attachments: HIVE-18549.1.patch
>
>
> Every time we open a hive connection, it creates a session while includes 
> creating HDFS file.
> To monitor hs2 health status, we have a web service api exposed, which 
> creates a connection to check the hs2 health status.
> If there is any slowness/issue with NN, health check fails.
> It will be nice if there an option to create a connection without creating a 
> session (no NN calls).
> The connection with null handle should not be allowed to do any operation.



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