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https://issues.apache.org/jira/browse/AVRO-607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392631#comment-15392631
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Ryan Blue commented on AVRO-607:
--------------------------------
Sorry, I didn't see this until now. The org.apache.avro:avro artifact shades
the Guava artifact and relocates its classes. That way, Avro depends on Guava
classes like normal and they aren't leaked after that. So the normal import
lines are correct.
> 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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