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https://issues.apache.org/jira/browse/FLINK-3602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195079#comment-15195079
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ASF GitHub Bot commented on FLINK-3602:
---------------------------------------
Github user twalthr commented on the pull request:
https://github.com/apache/flink/pull/1787#issuecomment-196759658
Build succeeded.
> Recursive Types are not supported / crash TypeExtractor
> -------------------------------------------------------
>
> Key: FLINK-3602
> URL: https://issues.apache.org/jira/browse/FLINK-3602
> Project: Flink
> Issue Type: Bug
> Components: Type Serialization System
> Affects Versions: 1.0.0
> Reporter: Stephan Ewen
> Assignee: Timo Walther
> Priority: Critical
>
> As per the user mailing list, this can be reproduced with a recursive Avro
> type.
> h2. Avro Type
> {code}
> {
> "namespace": "..."
> "type": "record"
> "name": "Item",
> "fields": [
> {
> "name": "parent"
> "type": ["null, "Item"]
> }
> ]
> }
> {code}
> h2. Exception
> {code}
> Exception in thread "Thread-94" java.lang.StackOverflowError
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.countTypeInHierarchy(TypeExtractor.java:1105)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1397)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1319)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfoWithTypeHierarchy(TypeExtractor.java:609)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.analyzePojo(TypeExtractor.java:1531)
> at
> org.apache.flink.api.java.typeutils.AvroTypeInfo.generateFieldsFromAvroSchema(AvroTypeInfo.java:53)
> at
> org.apache.flink.api.java.typeutils.AvroTypeInfo.<init>(AvroTypeInfo.java:48)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1394)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1319)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfoWithTypeHierarchy(TypeExtractor.java:609)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.analyzePojo(TypeExtractor.java:1531)
> at
> org.apache.flink.api.java.typeutils.AvroTypeInfo.generateFieldsFromAvroSchema(AvroTypeInfo.java:53)
> at
> org.apache.flink.api.java.typeutils.AvroTypeInfo.<init>(AvroTypeInfo.java:48)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1394)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1319)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfoWithTypeHierarchy(TypeExtractor.java:609)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.analyzePojo(TypeExtractor.java:1531)
> at
> org.apache.flink.api.java.typeutils.AvroTypeInfo.generateFieldsFromAvroSchema(AvroTypeInfo.java:53)
> {code}
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