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https://issues.apache.org/jira/browse/AVRO-607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14500594#comment-14500594
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Ryan Blue commented on AVRO-607:
--------------------------------

[~gwenshap] or [~tomwhite], do you have time to take a look?

> 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
>            Reporter: Stephen Tu
>         Attachments: 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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