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Posted to dev@avro.apache.org by "Zack Kobza (JIRA)" <ji...@apache.org> on 2017/09/20 14:53:00 UTC
[jira] [Commented] (AVRO-2074) SchemaValidator can't cope with
recursive schemas?
[ https://issues.apache.org/jira/browse/AVRO-2074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173297#comment-16173297 ]
Zack Kobza commented on AVRO-2074:
----------------------------------
This appears to be a bug in Avro 1.8.2. If I downgrade to Avro 1.8.1, I do not see this issue when validating schemas.
> SchemaValidator can't cope with recursive schemas?
> --------------------------------------------------
>
> Key: AVRO-2074
> URL: https://issues.apache.org/jira/browse/AVRO-2074
> Project: Avro
> Issue Type: Bug
> Components: java
> Reporter: Nandor Kollar
>
> When trying to validate a record which is recursively defined:
> {code}
> Schema record = Schema.createRecord("List", null, null, false);
> record.setFields(list(new Schema.Field("head", Schema.create(Schema.Type.INT), null, null),
> new Schema.Field("tail", record, null, null)));
> {code}
> then schema validation
> {code}
> new SchemaValidatorBuilder().canReadStrategy().validateAll().validate(record, asList(record));
> {code}
> fails with StackOverflowError:
> {code}
> java.lang.StackOverflowError
> at org.apache.avro.io.parsing.Symbol$Sequence.flattenedSize(Symbol.java:337)
> at org.apache.avro.io.parsing.Symbol.flattenedSize(Symbol.java:230)
> at org.apache.avro.io.parsing.Symbol$Sequence.flattenedSize(Symbol.java:337)
> {code}
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