Qing Wang created AVRO-2270:
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Summary: Can not set non-null default value for Auto generated
Arvo Schema with field include null type
Key: AVRO-2270
URL: https://issues.apache.org/jira/browse/AVRO-2270
Project: Apache Avro
Issue Type: Bug
Components: java
Affects Versions: 1.8.2
Reporter: Qing Wang
Auto generated Avro schema with fields have union type including null, can not
be assigned to a non-null default value. The reason is Avro set null as the
first type in the union .see [the source code
|https://github.com/apache/avro/blob/master/lang/java/avro/src/main/java/org/apache/avro/reflect/ReflectData.java]
line 694 // add null as the first type in a new union.
Based on the [Avro doc|[https://avro.apache.org/docs/1.8.1/spec.html#Unions],]
the type of the default value must match the _first_ element of the union.
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