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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18796) Admin#isTableAvailable returns incorrect result before daughter regions are opened
Date Fri, 22 Sep 2017 15:56:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16176613#comment-16176613
] 

Hadoop QA commented on HBASE-18796:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 27s{color} | {color:blue}
Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green}  0m  0s{color}
| {color:green} Patch does not have any anti-patterns. {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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  0s{color} | {color:red}
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} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 50s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 16s{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} mvneclipse {color} | {color:green}  0m 11s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 32s{color}
| {color:green} branch has no errors when building our shaded downstream artifacts. {color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 49s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 19s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 19s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 17s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 17s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 25s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 10s{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:green}+1{color} | {color:green} shadedjars {color} | {color:green}  3m 55s{color}
| {color:green} patch has no errors when building our shaded downstream artifacts. {color}
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| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 38m 57s{color}
| {color:green} Patch does not cause any errors with Hadoop 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5
2.7.1 2.7.2 2.7.3 or 3.0.0-alpha4. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m  3s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 18s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 39s{color} | {color:green}
hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m  8s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 54m 50s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:5d60123 |
| JIRA Issue | HBASE-18796 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12888515/HBASE-18796-addendum.master.patch
|
| Optional Tests |  asflicense  shadedjars  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti
 checkstyle  compile  |
| uname | Linux ebe28072294a 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 12:48:20 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / 5f238b3 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC3 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/8743/testReport/ |
| modules | C: hbase-client U: hbase-client |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/8743/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Admin#isTableAvailable returns incorrect result before daughter regions are opened
> ----------------------------------------------------------------------------------
>
>                 Key: HBASE-18796
>                 URL: https://issues.apache.org/jira/browse/HBASE-18796
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.3.1
>            Reporter: Abhishek Singh Chouhan
>            Assignee: Abhishek Singh Chouhan
>             Fix For: 2.0.0, 3.0.0, 1.4.0, 1.3.2, 1.5.0
>
>         Attachments: HBASE-18796-addendum.branch-1.patch, HBASE-18796-addendum.master.patch,
HBASE-18796.branch-1.001.patch, HBASE-18796.branch-1.001.patch, HBASE-18796.branch-1.002.patch,
HBASE-18796.branch-1.003.patch, HBASE-18796.master.001.patch
>
>
> Admin#isTableAvailable checks if it can getServerName for the meta entries it reads.
During the time of split server location are added to the meta entries in MetaTableAccessor#splitRegion
although the description of the method says "Does not add the location information to the
daughter regions since they are not open yet.". At this point during the split daughter regions
are not actually open, so we can get to a state where parent is offline, daughters are not
yet open but isTableAvailable returns true.



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