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https://issues.apache.org/jira/browse/HBASE-15114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15101247#comment-15101247
 ] 

Hadoop QA commented on HBASE-15114:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {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} 2m 
43s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 46s 
{color} | {color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 37s 
{color} | {color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 
49s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
17s {color} | {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 7s 
{color} | {color:red} hbase-server in master has 83 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 32s 
{color} | {color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 36s 
{color} | {color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
51s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 51s 
{color} | {color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 51s 
{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 with JDK v1.7.0_79 {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} 5m 
3s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
19s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
22m 7s {color} | {color:green} 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} findbugs {color} | {color:green} 1m 
58s {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 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 31s 
{color} | {color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 94m 48s 
{color} | {color:green} hbase-server in the patch passed with JDK v1.8.0. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 97m 3s 
{color} | {color:green} hbase-server in the patch passed with JDK v1.7.0_79. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
15s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 237m 37s {color} 
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12782404/hbase-15114.patch |
| JIRA Issue | HBASE-15114 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux asf905.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP 
PREEMPT Wed Sep 3 21:56:12 UTC 2014 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 / 4ac8d4c |
| findbugs | v3.0.0 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/131/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
 |
| JDK v1.7.0_79  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/131/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Max memory used | 190MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/131/console |


This message was automatically generated.



> NPE when IPC server ByteBuffer reservoir is turned off 
> -------------------------------------------------------
>
>                 Key: HBASE-15114
>                 URL: https://issues.apache.org/jira/browse/HBASE-15114
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: hbase-15114.patch
>
>
> I was testing something else, and discovered that if we turn off the ipc 
> out-buffer reservoir, we are getting NPEs after HBASE-14942. 
> {code}
> 2016-01-14 15:29:35,865 WARN  
> [PriorityRpcServer.handler=10,queue=0,port=16020] ipc.RpcServer: 
> PriorityRpcServer.handler=10,queue=0,port=16020: caught: 
> java.lang.NullPointerException
>         at org.apache.hadoop.hbase.ipc.RpcServer$Call.done(RpcServer.java:358)
>         at 
> org.apache.hadoop.hbase.ipc.RpcServer$Responder.processResponse(RpcServer.java:1159)
>         at 
> org.apache.hadoop.hbase.ipc.RpcServer$Responder.doRespond(RpcServer.java:1209)
>         at 
> org.apache.hadoop.hbase.ipc.RpcServer$Call.sendResponseIfReady(RpcServer.java:574)
>         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:135)
>         at 
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
>         at java.lang.Thread.run(Thread.java:745)
> {code}



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