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https://issues.apache.org/jira/browse/HADOOP-13155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15307380#comment-15307380
 ] 

Hadoop QA commented on HADOOP-13155:
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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 11s 
{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 1 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 48s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
31s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 14s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 
22s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 49s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
35s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
58s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 25s 
{color} | {color:green} trunk 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 
21s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 44s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 44s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 23s 
{color} | {color:red} root: The patch generated 7 new + 233 unchanged - 6 fixed 
= 240 total (was 239) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 42s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
33s {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} 1m 27s 
{color} | {color:red} hadoop-common-project/hadoop-common generated 3 new + 0 
unchanged - 0 fixed = 3 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 25s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 7m 18s {color} 
| {color:red} hadoop-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 27s 
{color} | {color:green} hadoop-kms in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 54s 
{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
21s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 49m 35s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-common-project/hadoop-common |
|  |  Load of known null value in 
org.apache.hadoop.crypto.key.kms.KMSClientProvider$KMSTokenRenewer.cancel(Token,
 Configuration)  At KMSClientProvider.java:in 
org.apache.hadoop.crypto.key.kms.KMSClientProvider$KMSTokenRenewer.cancel(Token,
 Configuration)  At KMSClientProvider.java:[line 189] |
|  |  Load of known null value in 
org.apache.hadoop.crypto.key.kms.KMSClientProvider$KMSTokenRenewer.renew(Token, 
Configuration)  At KMSClientProvider.java:in 
org.apache.hadoop.crypto.key.kms.KMSClientProvider$KMSTokenRenewer.renew(Token, 
Configuration)  At KMSClientProvider.java:[line 174] |
|  |  Possible null pointer dereference of dToken in 
org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.appendDelegationToken(URL,
 AuthenticatedURL$Token, Token, HttpURLConnection)  Dereferenced at 
DelegationTokenAuthenticator.java:dToken in 
org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.appendDelegationToken(URL,
 AuthenticatedURL$Token, Token, HttpURLConnection)  Dereferenced at 
DelegationTokenAuthenticator.java:[line 146] |
| Failed junit tests | 
hadoop.security.token.delegation.web.TestWebDelegationToken |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:2c91fd8 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12807053/HADOOP-13155.05.patch 
|
| JIRA Issue | HADOOP-13155 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 84315fca92c4 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 | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 93d8a7f |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/9617/artifact/patchprocess/diff-checkstyle-root.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/9617/artifact/patchprocess/new-findbugs-hadoop-common-project_hadoop-common.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/9617/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HADOOP-Build/9617/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/9617/testReport/ |
| modules | C: hadoop-common-project/hadoop-common 
hadoop-common-project/hadoop-kms hadoop-hdfs-project/hadoop-hdfs-client U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/9617/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Implement TokenRenewer to renew and cancel delegation tokens in KMS
> -------------------------------------------------------------------
>
>                 Key: HADOOP-13155
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13155
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>         Attachments: HADOOP-13155.01.patch, HADOOP-13155.02.patch, 
> HADOOP-13155.03.patch, HADOOP-13155.04.patch, HADOOP-13155.05.patch, 
> HADOOP-13155.pre.patch
>
>
> Service DelegationToken (DT) renewal is done in Yarn by 
> {{org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer}},
>  where it calls {{Token#renew}} and uses ServiceLoader to find the renewer 
> class 
> ([code|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java#L382]),
>  and invokes the renew method from it.
> We seem to miss the token renewer class in KMS / HttpFSFileSystem, and hence 
> Yarn defaults to {{TrivialRenewer}} for DT of such kinds, resulting in the 
> token not being renewed.
> As a side note, {{HttpFSFileSystem}} does have a {{renewDelegationToken}} 
> API, but I don't see it invoked in hadoop code base. KMS does not have any 
> renew hook.



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