[FLINK-3602] Recursive Types are not supported / crash TypeExtractor

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.1, 1.1.0
• Component/s: API / Type Serialization System
• Assignee: Timo Walther
• Reporter: Stephan Ewen
• Created: 10/Mar/16 17:04
• Updated: 22/Mar/16 13:46
• Resolved: 22/Mar/16 13:46

Description

As per the user mailing list, this can be reproduced with a recursive Avro type.

Avro Type

{
  "namespace": "..."
  "type": "record"
  "name": "Item",
  "fields": [
    {
      "name": "parent"
      "type": ["null, "Item"]
    }
  ]
}

Exception

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)