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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16816) HMaster.move() should throw exception if region to move is not online
Date Wed, 12 Oct 2016 14:03:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15568815#comment-15568815
] 

Hadoop QA commented on HBASE-16816:
-----------------------------------

| (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 20s {color} | {color:blue}
Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 1s {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} 1m 49s {color}
| {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 30s {color} |
{color:green} branch-1 passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} |
{color:green} branch-1 passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 55s {color}
| {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 16s {color}
| {color:green} branch-1 passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 51s {color} | {color:red}
hbase-server in branch-1 has 1 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 23s {color} |
{color:green} branch-1 passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s {color} |
{color:green} branch-1 passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 46s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 31s {color} |
{color:green} the patch passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 31s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 34s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 34s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 55s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 15s {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} hadoopcheck {color} | {color:green} 17m 19s {color}
| {color:green} The patch does not cause any errors with Hadoop 2.4.0 2.4.1 2.5.0 2.5.1 2.5.2
2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} hbaseprotoc {color} | {color:green} 0m 15s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 17s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s {color} |
{color:green} the patch passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 33s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 92m 43s {color} | {color:red}
hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 16s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 124m 35s {color} | {color:black}
{color} |
\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.master.TestWarmupRegion |
| Timed out junit tests | org.apache.hadoop.hbase.TestZooKeeper |
|   | org.apache.hadoop.hbase.snapshot.TestSecureExportSnapshot |
|   | org.apache.hadoop.hbase.snapshot.TestExportSnapshot |
|   | org.apache.hadoop.hbase.TestIOFencing |
|   | org.apache.hadoop.hbase.regionserver.TestClusterId |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:b2c5d84 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12832872/HBASE-16816-branch-1.patch
|
| JIRA Issue | HBASE-16816 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux 1235fe86b25b 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28 20:42:26 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/hbase.sh |
| git revision | branch-1 / 6db4ef8 |
| Default Java | 1.7.0_80 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_101 /usr/lib/jvm/java-7-oracle:1.7.0_80
|
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/3961/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/3961/artifact/patchprocess/patch-unit-hbase-server.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/3961/artifact/patchprocess/patch-unit-hbase-server.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/3961/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/3961/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> HMaster.move() should throw exception if region to move is not online
> ---------------------------------------------------------------------
>
>                 Key: HBASE-16816
>                 URL: https://issues.apache.org/jira/browse/HBASE-16816
>             Project: HBase
>          Issue Type: Bug
>          Components: Admin
>    Affects Versions: 1.1.2
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>            Priority: Minor
>         Attachments: HBASE-16816-branch-1.patch
>
>
> The move region function in HMaster only checks whether the region to move exists
> {code}
> if (regionState == null) {
>       throw new UnknownRegionException(Bytes.toStringBinary(encodedRegionName));
>     }
> {code}
> It will not return anything if the region is split or in transition which is not movable.
So the caller has no way to know if the move region operation is failed.
> It is a problem for "region_move.rb". It only gives up moving a region if a exception
is thrown.Otherwise, it will wait until a timeout and retry. Without a exception, it have
no idea the region is not movable.
> {code}
> begin
>       admin.move(Bytes.toBytes(r.getEncodedName()), Bytes.toBytes(newServer))
>     rescue java.lang.reflect.UndeclaredThrowableException,
>         org.apache.hadoop.hbase.UnknownRegionException => e
>       $LOG.info("Exception moving "  + r.getEncodedName() +
>         "; split/moved? Continuing: " + e)
>       return
>     end
>  # Wait till its up on new server before moving on
>     maxWaitInSeconds = admin.getConfiguration.getInt("hbase.move.wait.max", 60)
>     maxWait = Time.now + maxWaitInSeconds
>     while Time.now < maxWait
>       same = isSameServer(admin, r, original)
>       break unless same
>       sleep 0.1
>     end
>   end
> {code}



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