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https://issues.apache.org/jira/browse/AVRO-1544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14085206#comment-14085206
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ASF subversion and git services commented on AVRO-1544:
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Commit 1615764 from [~cutting] in branch 'avro/trunk'
[ https://svn.apache.org/r1615764 ]
AVRO-1544. Java: Fix GenericData#validate for unions with null. Contributed by
Matthew Hayes.
> Union of enum and null can result in NPE on validate if null is not first
> -------------------------------------------------------------------------
>
> Key: AVRO-1544
> URL: https://issues.apache.org/jira/browse/AVRO-1544
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.7.6
> Reporter: Matthew Hayes
> Fix For: 1.7.8
>
> Attachments: AVRO-1544-v2.patch, AVRO-1544.patch
>
>
> The ENUM case in validate is missing a null check for datum:
> {code}
> case ENUM:
> return schema.getEnumSymbols().contains(datum.toString());
> {code}
> This leads to a surprising error where a NPE is thrown for a union of enum
> and null when the enum is first in the union. If null is first it works.
> The fix is a simple. I'm creating a patch that adds the fix and a unit test
> for this case.
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