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https://issues.apache.org/jira/browse/HBASE-20332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16446059#comment-16446059
 ] 

Hadoop QA commented on HBASE-20332:
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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 
22s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} shelldocs {color} | {color:blue}  0m  
4s{color} | {color:blue} Shelldocs was not available. {color} |
| {color:red}-1{color} | {color:red} hbaseanti {color} | {color:red}  0m  
0s{color} | {color:red} The patch appears use HTrace 3 classes instead of 
HTrace 4. {color} |
| {color:red}-1{color} | {color:red} hbaseanti {color} | {color:red}  0m  
0s{color} | {color:red} The patch appears use pre-ASF HTrace 3 classes instead 
of HTrace 4. {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 9 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
12s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
34s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 
59s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  8m 
15s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
49s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hbase-testing-util hbase-shaded hbase-shaded/hbase-shaded-mapreduce 
hbase-shaded/hbase-shaded-check-invariants . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  9m  
5s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  7m 
27s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
12s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
 8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m 
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
25s{color} | {color:green} hbase-common: The patch generated 0 new + 88 
unchanged - 1 fixed = 88 total (was 89) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
12s{color} | {color:green} The patch hbase-hadoop2-compat passed checkstyle 
{color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
30s{color} | {color:green} The patch hbase-client passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} The patch hbase-replication passed checkstyle 
{color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
15s{color} | {color:green} The patch hbase-server passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
17s{color} | {color:green} The patch hbase-mapreduce passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 8s{color} | {color:green} The patch hbase-testing-util passed checkstyle 
{color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
28s{color} | {color:green} The patch hbase-thrift passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} The patch hbase-rsgroup passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
10s{color} | {color:green} The patch hbase-shell passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
12s{color} | {color:green} The patch hbase-endpoint passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
14s{color} | {color:green} The patch hbase-backup passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
21s{color} | {color:green} The patch hbase-it passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
14s{color} | {color:green} The patch hbase-examples passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
16s{color} | {color:green} The patch hbase-rest passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 9s{color} | {color:green} The patch hbase-external-blockcache passed 
checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
10s{color} | {color:green} The patch hbase-shaded passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 8s{color} | {color:green} The patch hbase-shaded-mapreduce passed checkstyle 
{color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 8s{color} | {color:green} The patch hbase-shaded-check-invariants passed 
checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 9s{color} | {color:green} The patch hbase-shaded-with-hadoop-check-invariants 
passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
38s{color} | {color:green} root: The patch generated 0 new + 429 unchanged - 1 
fixed = 429 total (was 430) {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m 
 1s{color} | {color:green} There were no new shellcheck issues. {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} xml {color} | {color:green}  0m 
25s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  3m 
54s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
15m  1s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.5 2.7.4 or 3.0.0. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hbase-testing-util hbase-shaded hbase-shaded/hbase-shaded-mapreduce 
hbase-shaded/hbase-shaded-check-invariants 
hbase-shaded/hbase-shaded-with-hadoop-check-invariants . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 13m  
0s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  8m 
57s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}195m 14s{color} 
| {color:red} root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  7m 
23s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}310m 50s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.snapshot.TestMobSecureExportSnapshot |
|   | hadoop.hbase.snapshot.TestExportSnapshot |
|   | hadoop.hbase.snapshot.TestMobExportSnapshot |
|   | hadoop.hbase.snapshot.TestSecureExportSnapshot |
|   | hadoop.hbase.mapreduce.TestImportTsv |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:d8b550f |
| JIRA Issue | HBASE-20332 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12920003/HBASE-20332.3.patch |
| Optional Tests |  asflicense  shellcheck  shelldocs  javac  javadoc  unit  
shadedjars  hadoopcheck  xml  compile  findbugs  hbaseanti  checkstyle  |
| uname | Linux 73b33856e04d 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 
14:43:09 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | master / 70377babd0 |
| maven | version: Apache Maven 3.5.3 
(3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T19:49:05Z) |
| Default Java | 1.8.0_162 |
| shellcheck | v0.4.4 |
| findbugs | v3.1.0-RC3 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12566/artifact/patchprocess/patch-unit-root.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12566/testReport/ |
| Max. process+thread count | 4317 (vs. ulimit of 10000) |
| modules | C: hbase-common hbase-hadoop2-compat hbase-client hbase-replication 
hbase-server hbase-mapreduce hbase-testing-util hbase-thrift hbase-rsgroup 
hbase-shell hbase-endpoint hbase-backup hbase-it hbase-examples hbase-rest 
hbase-external-blockcache hbase-shaded hbase-shaded/hbase-shaded-mapreduce 
hbase-shaded/hbase-shaded-check-invariants 
hbase-shaded/hbase-shaded-with-hadoop-check-invariants . U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12566/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> shaded mapreduce module shouldn't include hadoop
> ------------------------------------------------
>
>                 Key: HBASE-20332
>                 URL: https://issues.apache.org/jira/browse/HBASE-20332
>             Project: HBase
>          Issue Type: Sub-task
>          Components: mapreduce, shading
>    Affects Versions: 2.0.0
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: HBASE-20332.0.patch, HBASE-20332.1.WIP.patch, 
> HBASE-20332.2.WIP.patch, HBASE-20332.3.patch
>
>
> AFAICT, we should just entirely skip including hadoop in our shaded mapreduce 
> module
> 1) Folks expect to run yarn / mr apps via {{hadoop jar}} / {{yarn jar}}
> 2) those commands include all the needed Hadoop jars in your classpath by 
> default (both client side and in the containers)
> 3) If you try to use "user classpath first" for your job as a workaround 
> (e.g. for some library your application needs that hadoop provides) then our 
> inclusion of *some but not all* hadoop classes then causes everything to fall 
> over because of mixing rewritten and non-rewritten hadoop classes
> 4) if you don't use "user classpath first" then all of our 
> non-relocated-but-still-shaded hadoop classes are ignored anyways so we're 
> just wasting space



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