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https://issues.apache.org/jira/browse/HIVE-21218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16766182#comment-16766182
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Hive QA commented on HIVE-21218:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {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:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
46s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
27s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
34s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
25s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
42s{color} | {color:blue} serde in master has 197 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
28s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
30s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
17s{color} | {color:red} kafka-handler in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
16s{color} | {color:red} kafka-handler in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 16s{color} 
| {color:red} kafka-handler in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
11s{color} | {color:red} kafka-handler: The patch generated 73 new + 1 
unchanged - 0 fixed = 74 total (was 1) {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  
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
16s{color} | {color:red} kafka-handler in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
27s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
14s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 16m 22s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  xml  compile  findbugs  
checkstyle  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-16035/dev-support/hive-personality.sh
 |
| git revision | master / e540cf8 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus/patch-mvninstall-kafka-handler.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus/patch-compile-kafka-handler.txt
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| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus/patch-compile-kafka-handler.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus/diff-checkstyle-kafka-handler.txt
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| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus/whitespace-eol.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus/patch-findbugs-kafka-handler.txt
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| asflicense | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus/patch-asflicense-problems.txt
 |
| modules | C: serde kafka-handler U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16035/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> KafkaSerDe doesn't support topics created via Confluent Avro serializer
> -----------------------------------------------------------------------
>
>                 Key: HIVE-21218
>                 URL: https://issues.apache.org/jira/browse/HIVE-21218
>             Project: Hive
>          Issue Type: Bug
>          Components: kafka integration, Serializers/Deserializers
>    Affects Versions: 3.1.1
>            Reporter: Milan Baran
>            Assignee: Milan Baran
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21218.2.patch, HIVE-21218.patch
>
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> According to [Google 
> groups|https://groups.google.com/forum/#!topic/confluent-platform/JYhlXN0u9_A]
>  the Confluent avro serialzier uses propertiary format for kafka value - 
> <magic_byte 0x00><4 bytes of schema ID><regular avro bytes for object that 
> conforms to schema>. 
> This format does not cause any problem for Confluent kafka deserializer which 
> respect the format however for hive kafka handler its bit a problem to 
> correctly deserialize kafka value, because Hive uses custom deserializer from 
> bytes to objects and ignores kafka consumer ser/deser classes provided via 
> table property.
> It would be nice to support Confluent format with magic byte.
> Also it would be great to support Schema registry as well.



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