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https://issues.apache.org/jira/browse/NIFI-4215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16097692#comment-16097692
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ASF GitHub Bot commented on NIFI-4215:
--------------------------------------
GitHub user Wesley-Lawrence opened a pull request:
https://github.com/apache/nifi/pull/2034
NIFI-4215 NiFi can now parse an Avro schema of a record that references an
already defined record, including itself.
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Wesley-Lawrence/nifi NIFI-4215
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/2034.patch
To close this pull request, make a commit to your master/trunk branch
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This closes #2034
----
commit b708f328b97aab2074f0a28c47be172e75990dd5
Author: Wesley-Lawrence <[email protected]>
Date: 2017-07-23T15:04:01Z
NIFI-4215 NiFi can now parse an Avro schema of a record that references an
already defined record, including itself.
----
> 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: Minor
> 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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