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From "Brock Noland (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4141) InspectorFactories contains static HashMaps which can cause infinite loop
Date Fri, 15 Mar 2013 12:42:14 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603333#comment-13603333
] 

Brock Noland commented on HIVE-4141:
------------------------------------

Sorry looks like the first patch was committed. The differences were only style improvements
over the original code so I don't think this is an issue. I'll file a follow up JIRA to implement
the style improvements requested by Owen in the review.
                
> InspectorFactories contains static HashMaps which can cause infinite loop
> -------------------------------------------------------------------------
>
>                 Key: HIVE-4141
>                 URL: https://issues.apache.org/jira/browse/HIVE-4141
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Server Infrastructure
>            Reporter: Brock Noland
>            Priority: Blocker
>             Fix For: 0.11.0
>
>         Attachments: HIVE-4141-1.patch, HIVE-4141-2.patch
>
>
> When many clients hit hs2, hs2 can get stuck in an infinite loop due to concurrent modification
of the static maps here:
> https://github.com/apache/hive/blob/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazy/objectinspector/LazyObjectInspectorFactory.java
> and in other ObjectFactories. 

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