[ 
https://issues.apache.org/jira/browse/HBASE-20333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16451559#comment-16451559
 ] 

Hadoop QA commented on HBASE-20333:
-----------------------------------

| (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 
18s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} shelldocs {color} | {color:blue}  0m  
3s{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 to have anti-pattern where 
BYTES_COMPARATOR was omitted. {color} |
| {color:red}-1{color} | {color:red} hbaseanti {color} | {color:red}  0m  
0s{color} | {color:red} The patch appears use Hadoop classification instead of 
HBase. {color} |
| {color:red}-1{color} | {color:red} hbaseanti {color} | {color:red}  0m  
0s{color} | {color:red} The patch appears use Jackson 1 classes/annotations. 
{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 2 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 
43s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m  
8s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  8m 
12s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
53s{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-client 
hbase-shaded/hbase-shaded-mapreduce hbase-shaded/hbase-shaded-check-invariants 
. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  8m 
33s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  6m 
56s{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}  4m 
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m 
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
23s{color} | {color:green} hbase-common: The patch generated 0 new + 3 
unchanged - 1 fixed = 3 total (was 4) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{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 
11s{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 
29s{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 
13s{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 
10s{color} | {color:green} The patch hbase-external-blockcache passed 
checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 9s{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-client-byo-hadoop passed 
checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 7s{color} | {color:green} The patch hbase-shaded-client 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}  2m 
30s{color} | {color:green} root: The patch generated 0 new + 3 unchanged - 1 
fixed = 3 total (was 4) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 9s{color} | {color:green} The patch hbase-shaded-check-invariants passed 
checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} The patch hbase-shaded-with-hadoop-check-invariants 
passed checkstyle {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m 
 2s{color} | {color:green} There were no new shellcheck issues. {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 1 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m 
30s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
31s{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  4s{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-client-byo-hadoop 
hbase-shaded/hbase-shaded-client 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} 11m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  8m 
37s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}180m 
43s{color} | {color:green} root in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  8m 
44s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}295m 38s{color} | 
{color:black} {color} |
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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-20333 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12920532/HBASE-20333.WIP.0.patch
 |
| Optional Tests |  asflicense  shellcheck  shelldocs  javac  javadoc  unit  
shadedjars  hadoopcheck  xml  compile  findbugs  hbaseanti  checkstyle  |
| uname | Linux cd6d16f82df2 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@2/component/dev-support/hbase-personality.sh
 |
| git revision | master / a8be3bb814 |
| maven | version: Apache Maven 3.5.3 
(3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T19:49:05Z) |
| Default Java | 1.8.0_162 |
| hbaseanti | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12618/artifact/patchprocess/patchfile-hbaseanti-results.txt
 |
| shellcheck | v0.4.4 |
| findbugs | v3.1.0-RC3 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12618/artifact/patchprocess/whitespace-eol.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12618/testReport/ |
| Max. process+thread count | 4404 (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-client-byo-hadoop hbase-shaded/hbase-shaded-client 
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/12618/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> break up shaded client into one with no Hadoop and one that's standalone
> ------------------------------------------------------------------------
>
>                 Key: HBASE-20333
>                 URL: https://issues.apache.org/jira/browse/HBASE-20333
>             Project: HBase
>          Issue Type: Sub-task
>          Components: shading
>    Affects Versions: 2.0.0
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: HBASE-20333.WIP.0.patch
>
>
> there are contexts where we want to stay out of our downstream users way wrt 
> dependencies, but they need more Hadoop classes than we provide. i.e. any 
> downstream client that wants to use both HBase and HDFS in their application, 
> or any non-MR YARN application.
> Now that Hadoop also has shaded client artifacts for Hadoop 3, we're also 
> providing less incremental benefit by including our own rewritten Hadoop 
> classes to avoid downstream needing to pull in all of Hadoop's transitive 
> dependencies.
> right now those users need to ensure that any jars from the Hadoop project 
> are loaded in the classpath prior to our shaded client jar. This is brittle 
> and prone to weird debugging trouble.
> instead, we should have two artifacts: one that just lists Hadoop as a 
> prerequisite and one that still includes the rewritten-but-not-relocated 
> Hadoop classes.
> We can then use docs to emphasize when each of these is appropriate to use.



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