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Posted to dev@avro.apache.org by "Micah Huff (JIRA)" <ji...@apache.org> on 2013/05/16 00:53:17 UTC
[jira] [Commented] (AVRO-1331) Java reader backwards-compatibility
breakage
[ https://issues.apache.org/jira/browse/AVRO-1331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13658956#comment-13658956 ]
Micah Huff commented on AVRO-1331:
----------------------------------
[~cutting]--Thank you very much for this patch! We have verified that it fixed the issue we were encountering.
> Java reader backwards-compatibility breakage
> --------------------------------------------
>
> Key: AVRO-1331
> URL: https://issues.apache.org/jira/browse/AVRO-1331
> Project: Avro
> Issue Type: Bug
> Components: java
> Reporter: Jeremy Kahn
> Assignee: Doug Cutting
> Fix For: 1.7.5
>
> Attachments: AVRO-1331.patch, stripped-snipped.avro, stripped-snipped.schema
>
>
> For some cases where we encode Avro data with Avro 1.7.4, it is not readable with Avro 1.7.5-SNAPSHOT post AVRO-1295: the Java decoder is unable to discover the root definitions
> Among the properties of (some) schemas that trigger this failure:
> - an explicit empty string in the root namespace and
> - uses other namespaces elsewhere in the schema,
> - has a recursive reference to the root
> A sample schema and a sample datafile with one example encoded with that schema are attached.
> This datafile cannot be read with Java deserializers (and I believe that the schema cannot be parsed by the Java schema parser).
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