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https://issues.apache.org/jira/browse/HADOOP-12760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16587068#comment-16587068
 ] 

genericqa commented on HADOOP-12760:
------------------------------------

| (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:brown} Prechecks {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:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 18m 
38s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 15m 
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
54s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
12s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
13m 26s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
34s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
59s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m 
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 14m 
43s{color} | {color:green} root generated 0 new + 1449 unchanged - 6 fixed = 
1449 total (was 1455) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
8s{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} shadedclient {color} | {color:green} 
11m  2s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
59s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  9m 
11s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
41s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 93m 42s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:ba1ab08 |
| JIRA Issue | HADOOP-12760 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12915252/HADOOP-12760.07.patch 
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux ab87846669cb 3.13.0-144-generic #193-Ubuntu SMP Thu Mar 15 
17:03:53 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 770d9d9 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_171 |
| findbugs | v3.1.0-RC1 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15065/testReport/ |
| Max. process+thread count | 1632 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15065/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> sun.misc.Cleaner has moved to a new location in OpenJDK 9
> ---------------------------------------------------------
>
>                 Key: HADOOP-12760
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12760
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Chris Hegarty
>            Assignee: Akira Ajisaka
>            Priority: Major
>         Attachments: HADOOP-12760.00.patch, HADOOP-12760.01.patch, 
> HADOOP-12760.02.patch, HADOOP-12760.03.patch, HADOOP-12760.04.patch, 
> HADOOP-12760.05.patch, HADOOP-12760.06.patch, HADOOP-12760.07.patch
>
>
> This is a heads-up: there are upcoming changes in JDK 9 that will require, at 
> least, a small update to org.apache.hadoop.crypto.CryptoStreamUtils & 
> org.apache.hadoop.io.nativeio.NativeIO.
> OpenJDK issue no. 8148117: "Move sun.misc.Cleaner to jdk.internal.ref" [1], 
> will move the Cleaner class from sun.misc to jdk.internal.ref. There is 
> ongoing discussion about the possibility of providing a public supported API, 
> maybe in the JDK 9 timeframe, for releasing NIO direct buffer native memory, 
> see the core-libs-dev mail thread [2]. At the very least CryptoStreamUtils & 
> NativeIO [3] should be updated to have knowledge of the new location of the 
> JDK Cleaner.
> [1] https://bugs.openjdk.java.net/browse/JDK-8148117
> [2] 
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2016-January/038243.html
> [3] https://github.com/apache/hadoop/search?utf8=✓&q=sun.misc.Cleaner



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