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Date: Tue, 1 Aug 2017 13:54:02 +0000 (UTC)
From: "Mark Payne (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (NIFI-4215) Avro schemas with records that have a
 field of themselves fail to parse, causing stackoverflow exception
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archived-at: Tue, 01 Aug 2017 13:54:12 -0000


     [ https://issues.apache.org/jira/browse/NIFI-4215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Payne updated NIFI-4215:
-----------------------------
    Priority: Blocker  (was: Minor)

> Avro schemas with records that have a field of themselves fail to parse, causing stackoverflow exception
> --------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-4215
>                 URL: https://issues.apache.org/jira/browse/NIFI-4215
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.4.0
>            Reporter: Wesley L Lawrence
>            Priority: Blocker
>             Fix For: 1.4.0
>
>         Attachments: nifi-4215.patch
>
>
> Noticed this while attempting to use the AvroSchemaRegsitry with some complex schema. Boiled down, Avro lets you define a schema such as;
> {code}
> { 
>   "namespace": "org.apache.nifi.testing", 
>   "name": "CompositRecord", 
>   "type": "record", 
>   "fields": [ 
>     { 
>       "name": "id", 
>       "type": "int" 
>     }, 
>     { 
>       "name": "value", 
>       "type": "string" 
>     }, 
>     { 
>       "name": "parent", 
>       "type": [
>         "null",
>         "CompositRecord"
>       ]
>     } 
>   ] 
> }
> {code}
> The AvroSchemaRegistry (AvroTypeUtil specifically) will fail to parse, and generate a stackoverflow exception.
> I've whipped up a fix, tested it out in 1.4.0, and am just running through the contrib build before I submit a patch.


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