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https://issues.apache.org/jira/browse/HDFS-11804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16018954#comment-16018954
 ] 

Hadoop QA commented on HDFS-11804:
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| (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 
15s{color} | {color:blue} Docker mode activated. {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 2 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
19s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m 
43s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m 
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
55s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
12s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
42s{color} | {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
23s{color} | {color:red} hadoop-common-project/hadoop-common in trunk has 19 
extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
36s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
14s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
46s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  2m  
3s{color} | {color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  2m  3s{color} 
| {color:red} root in the patch failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
1m 47s{color} | {color:orange} root: The patch generated 21 new + 28 unchanged 
- 0 fixed = 49 total (was 28) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
46s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
25s{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:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
24s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
22s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  7m 
37s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 47s{color} 
| {color:red} hadoop-hdfs 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} 59m 11s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-11804 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12869178/HDFS-11804-trunk.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 30f88a9203f3 3.13.0-107-generic #154-Ubuntu SMP Tue Dec 20 
09:57:27 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 46d9c4c |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/branch-findbugs-hadoop-common-project_hadoop-common-warnings.html
 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/patch-compile-root.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/patch-compile-root.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/diff-checkstyle-root.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/patch-findbugs-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/testReport/ |
| modules | C: hadoop-common-project/hadoop-common 
hadoop-hdfs-project/hadoop-hdfs U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/19534/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> KMS client needs retry logic
> ----------------------------
>
>                 Key: HDFS-11804
>                 URL: https://issues.apache.org/jira/browse/HDFS-11804
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Rushabh S Shah
>            Assignee: Rushabh S Shah
>         Attachments: HDFS-11804-trunk.patch
>
>
> The kms client appears to have no retry logic – at all.  It's completely 
> decoupled from the ipc retry logic.  This has major impacts if the KMS is 
> unreachable for any reason, including but not limited to network connection 
> issues, timeouts, the +restart during an upgrade+.
> This has some major ramifications:
> # Jobs may fail to submit, although oozie resubmit logic should mask it
> # Non-oozie launchers may experience higher rates if they do not already have 
> retry logic.
> # Tasks reading EZ files will fail, probably be masked by framework reattempts
> # EZ file creation fails after creating a 0-length file – client receives 
> EDEK in the create response, then fails when decrypting the EDEK
> # Bulk hadoop fs copies, and maybe distcp, will prematurely fail



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