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https://issues.apache.org/jira/browse/HBASE-17167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15696329#comment-15696329
 ] 

Hadoop QA commented on HBASE-17167:
-----------------------------------

| (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 11s 
{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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 18s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 
48s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 34s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 5m 
45s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
35s {color} | {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 49s 
{color} | {color:red} hbase-protocol-shaded in master has 24 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 54s 
{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 11s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
40s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 33s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 1m 33s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 33s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 5m 
46s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
36s {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} 
25m 15s {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-alpha1. {color} |
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red} 0m 19s 
{color} | {color:red} Patch generated 1 new protoc errors in hbase-server. 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 50s 
{color} | {color:red} hbase-server generated 1 new + 0 unchanged - 0 fixed = 1 
total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 54s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 17s 
{color} | {color:green} hbase-protocol in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 26s 
{color} | {color:green} hbase-protocol-shaded in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 54s 
{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 91m 41s {color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
56s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 156m 17s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hbase-server |
|  |  Nullcheck of scanner at line 2754 of value previously dereferenced in 
org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RpcController, 
ClientProtos$ScanRequest)  At RSRpcServices.java:2754 of value previously 
dereferenced in 
org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RpcController, 
ClientProtos$ScanRequest)  At RSRpcServices.java:[line 2715] |
| Failed junit tests | 
hadoop.hbase.replication.regionserver.TestReplicationSink |
|   | hadoop.hbase.TestPartialResultsFromClientSide |
|   | hadoop.hbase.regionserver.TestTags |
|   | hadoop.hbase.mapreduce.TestImportExport |
|   | hadoop.hbase.regionserver.TestScannerWithBulkload |
|   | hadoop.hbase.regionserver.TestHRegion |
|   | 
hadoop.hbase.security.visibility.TestVisibilityLabelReplicationWithExpAsString |
|   | hadoop.hbase.security.visibility.TestVisibilityLabelsReplication |
|   | hadoop.hbase.mapreduce.TestSyncTable |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:8d52d23 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12840519/HBASE-17167.patch |
| JIRA Issue | HBASE-17167 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  cc  hbaseprotoc  |
| uname | Linux feb9671f75ff 3.13.0-95-generic #142-Ubuntu SMP Fri Aug 12 
17:00:09 UTC 2016 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 / 01d3473 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4627/artifact/patchprocess/branch-findbugs-hbase-protocol-shaded-warnings.html
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4627/artifact/patchprocess/patch-hbaseprotoc-hbase-server.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4627/artifact/patchprocess/new-findbugs-hbase-server.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4627/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/4627/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4627/testReport/ |
| modules | C: hbase-protocol hbase-protocol-shaded hbase-client hbase-server 
U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4627/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Pass mvcc to client when scan
> -----------------------------
>
>                 Key: HBASE-17167
>                 URL: https://issues.apache.org/jira/browse/HBASE-17167
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, scan
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-17167.patch
>
>
> For the current implementation, if we use batch or allowPartial when scan, 
> then the row level atomic can not be guaranteed if we need to restart a scan 
> in the middle of a record due to region move or something else.
> We can return the mvcc used to open scanner to client and client could use 
> this mvcc to restart a scan to get row level atomic.



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