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https://issues.apache.org/jira/browse/HBASE-18703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16185402#comment-16185402
 ] 

Hadoop QA commented on HBASE-18703:
-----------------------------------

| (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} 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 3 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
36s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
53s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
5s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
46s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  5m 
57s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
32s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
55s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
20s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
56s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
56s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
40s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
30s{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}  4m 
46s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
37m  6s{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:red}-1{color} | {color:red} findbugs {color} | {color:red}  2m 
32s{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 
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 
17s{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 42m 17s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
19s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}107m 24s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hbase-server |
|  |  Impossible downcast of toArray() result to 
org.apache.hadoop.hbase.client.Mutation[] in 
org.apache.hadoop.hbase.regionserver.HRegion.doCheckAndRowMutate(byte[], 
byte[], byte[], CompareOperator, ByteArrayComparable, RowMutations, Mutation, 
boolean)  At HRegion.java:to org.apache.hadoop.hbase.client.Mutation[] in 
org.apache.hadoop.hbase.regionserver.HRegion.doCheckAndRowMutate(byte[], 
byte[], byte[], CompareOperator, ByteArrayComparable, RowMutations, Mutation, 
boolean)  At HRegion.java:[line 3774] |
| Failed junit tests | hadoop.hbase.filter.TestDependentColumnFilter |
|   | hadoop.hbase.regionserver.TestHRegionFileSystem |
|   | hadoop.hbase.master.locking.TestLockManager |
|   | hadoop.hbase.coprocessor.TestRegionObserverStacking |
|   | hadoop.hbase.filter.TestFilter |
|   | hadoop.hbase.filter.TestInvocationRecordFilter |
|   | hadoop.hbase.io.encoding.TestSeekBeforeWithReverseScan |
|   | hadoop.hbase.procedure.TestProcedureManager |
|   | hadoop.hbase.master.balancer.TestRegionLocationFinder |
|   | hadoop.hbase.regionserver.TestKeepDeletes |
|   | hadoop.hbase.regionserver.TestMinVersions |
|   | hadoop.hbase.io.encoding.TestPrefixTree |
|   | hadoop.hbase.regionserver.TestScanWithBloomError |
|   | hadoop.hbase.regionserver.TestScanner |
|   | hadoop.hbase.client.TestIntraRowPagination |
|   | hadoop.hbase.io.hfile.TestScannerSelectionUsingKeyRange |
|   | hadoop.hbase.ipc.TestNettyRpcServer |
|   | hadoop.hbase.filter.TestFilterFromRegionSide |
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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-18703 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12889619/hbase-18703.master.001.patch
 |
| Optional Tests |  asflicense  shadedjars  javac  javadoc  unit  findbugs  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux 7015531db94f 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@2/component/dev-support/hbase-personality.sh
 |
| git revision | master / b5b4108 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC3 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8866/artifact/patchprocess/new-findbugs-hbase-server.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8866/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8866/testReport/ |
| modules | C: hbase-common hbase-server U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8866/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Inconsistent behavior for preBatchMutate in doMiniBatchMutate and 
> processRowsWithLocks
> --------------------------------------------------------------------------------------
>
>                 Key: HBASE-18703
>                 URL: https://issues.apache.org/jira/browse/HBASE-18703
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors
>            Reporter: Duo Zhang
>            Assignee: Umesh Agashe
>            Priority: Critical
>             Fix For: 2.0.0-alpha-4
>
>         Attachments: hbase-18703.master.001.patch
>
>
> In doMiniBatchMutate, the preBatchMutate is called before building WAL, but 
> in processRowsWithLocks, we suggest the RowProcessor implementation to build 
> WAL in process  method, which is ahead of preBatchMutate.
> If a CP modifies the mutations, especially if it removes some cells from the 
> mutations, then the behavior of processRowsWithLocks is broken. The changes 
> applied to memstore and WAL will be different. And there is no way to remove 
> entries from a WALEdit through CP. 



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