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https://issues.apache.org/jira/browse/HIVE-23534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114595#comment-17114595
 ] 

Hive QA commented on HIVE-23534:
--------------------------------

| (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} 11m 
28s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
37s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
14s{color} | {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
18s{color} | {color:red} metastore-common in master failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
17s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
40s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
13s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
15s{color} | {color:red} metastore-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
6s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
15s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 17m 23s{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 
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-22561/dev-support/hive-personality.sh
 |
| git revision | master / c641497 |
| Default Java | 1.8.0_111 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-22561/yetus/branch-findbugs-standalone-metastore_metastore-common.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-22561/yetus/patch-findbugs-standalone-metastore_metastore-common.txt
 |
| modules | C: standalone-metastore/metastore-common U: 
standalone-metastore/metastore-common |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-22561/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> NPE in RetryingMetaStoreClient#invoke when catching MetaException with no 
> message
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-23534
>                 URL: https://issues.apache.org/jira/browse/HIVE-23534
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Stamatis Zampetakis
>            Assignee: Stamatis Zampetakis
>            Priority: Trivial
>         Attachments: HIVE-23534.01.patch
>
>
> RetryingMetaStoreClient#invoke method catches MetaException and attempts to 
> classify it by checking the message. However there are cases (e.g., various 
> places in 
> [ObjectStore|https://github.com/apache/hive/blob/716f1f9a945a9a11e6702754667660d27e0a5cf4/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java#L3916])
>  where the message of the MetaException is null and this leads to NPE.



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