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https://issues.apache.org/jira/browse/HIVE-21218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17058052#comment-17058052
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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 
37s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
52s{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}  2m 
23s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
41s{color} | {color:blue} serde in master has 197 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  7m 
12s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
27s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
14s{color} | {color:red} kafka-handler in the patch failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m  
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m  
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
23s{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:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  7m 
16s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
13s{color} | {color:red} The patch generated 2 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 54m 57s{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 
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-21084/dev-support/hive-personality.sh
 |
| git revision | master / 812a626 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-21084/yetus/patch-mvninstall-kafka-handler.txt
 |
| asflicense | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-21084/yetus/patch-asflicense-problems.txt
 |
| modules | C: serde kafka-handler . U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-21084/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: David McGinnis
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: 
> 0001-HIVE-21818-Adding-ability-for-Kafka-Handler-to-proce.patch, 
> HIVE-21218.10.patch, HIVE-21218.11.patch, HIVE-21218.12.patch, 
> HIVE-21218.13.patch, HIVE-21218.2.patch, HIVE-21218.3.patch, 
> HIVE-21218.4.patch, HIVE-21218.5.patch, HIVE-21218.6.patch, 
> HIVE-21218.7.patch, HIVE-21218.8.patch, HIVE-21218.9.patch, HIVE-21218.patch
>
>          Time Spent: 15h
>  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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