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From "Ryan Blue (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-607) SpecificData.getSchema not thread-safe
Date Mon, 25 Jul 2016 20:45:21 GMT

    [ https://issues.apache.org/jira/browse/AVRO-607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392632#comment-15392632
] 

Ryan Blue commented on AVRO-607:
--------------------------------

[~Andrius Driu], do you know how much larger this makes the avro-guava jar? This is shaded,
so we want to keep it small if possible.

> SpecificData.getSchema not thread-safe
> --------------------------------------
>
>                 Key: AVRO-607
>                 URL: https://issues.apache.org/jira/browse/AVRO-607
>             Project: Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.3.3, 1.8.1
>            Reporter: Stephen Tu
>            Assignee: Andrius Druzinis-Vitkus
>            Priority: Blocker
>              Labels: newbie, patch
>             Fix For: 1.8.2
>
>         Attachments: AVRO-607.patch, AVRO-607.patch
>
>
> SpecificData.getSchema uses a WeakHashMap to cache schemas, but WeakHashMap is not thread-safe,
and the method itself is not synchronized. Seems like this could lead to the data structure
getting corrupted. 



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