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https://issues.apache.org/jira/browse/AVRO-607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15026871#comment-15026871
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Tom White commented on AVRO-607:
--------------------------------

> I think I'd rather spend my efforts figuring out how to extract Google's 
> implementation into another namespace in the build with shade, jarjar, or 
> similar.

I agree. Shading Guava is not too hard, and means that we'd be able to use 
well-tested code.

> 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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