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https://issues.apache.org/jira/browse/HIVE-11227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14630601#comment-14630601
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Xuefu Zhang commented on HIVE-11227:
------------------------------------

>From the log it seems that Kryo is serializing PerfLogger.starttimes field 
>originated from MapJoinOperator. While I don't know why it complains that the 
>type (HashMap) is not registered, there is no reason to serialize PerfLogger 
>itself. This is certainly be done, but the repro case is too complicated to 
>verify the fix. Could you try to one of the two things?

1. use latest Hive with your query to see if you can reproduce. If so, I can 
provide a patch to see if it addresses the problem.
2. provide a simpler repro case where I can try and verify the fix.

Thanks.

> Kryo exception during table creation in Hive
> --------------------------------------------
>
>                 Key: HIVE-11227
>                 URL: https://issues.apache.org/jira/browse/HIVE-11227
>             Project: Hive
>          Issue Type: Bug
>          Components: Configuration, Database/Schema, Hive, HiveServer2, 
> Indexing, Locking
>    Affects Versions: 0.13.1
>         Environment: CentOS 6.5, jdk 1.7, cpu: 2x1.9 GHz 6-core Xeon (24 
> cores), Ram: 64GB-128GB
>            Reporter: Akamai
>             Fix For: 0.14.1
>
>         Attachments: Kryo Exception.txt, 
> init_load_hdpextract_user.tlog.clean.log, tlog_detail.20150710.log.clean, 
> trsm_tlog_detail.20150714.log.clean
>
>
> Exception is getting thorwn during table creation in Hive  
> Error: java.lang.RuntimeException: 
> org.apache.hive.com/esotericsoftware.kryo.KryoException: Encountered 
> unregistered class ID: 380



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