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https://issues.apache.org/jira/browse/AVRO-1200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom White updated AVRO-1200:
----------------------------
Attachment: AVRO-1200.patch
Here's a patch that changes the write methods to throw
ConcurrentModificationException if the expected and actual sizes don't match.
> DatumWriter can write malformed data if collection is modified during write
> ---------------------------------------------------------------------------
>
> Key: AVRO-1200
> URL: https://issues.apache.org/jira/browse/AVRO-1200
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.7.2
> Reporter: Tom White
> Assignee: Tom White
> Fix For: 1.7.3
>
> Attachments: AVRO-1200.patch
>
>
> GenericDatumWriter's writeArray and writeMap methods write the size of the
> collection/map before writing the entries, so it's possible that the sizes
> will not match, which can cause data corruption and read failures like
> AVRO-1198.
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