[AVRO-1057] Java builder API fails when default value does not match the first type in a union

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.6.3
• Component/s: java
• Assignee: Unassigned
• Reporter: Christophe Taton
• Created: 13/Apr/12 19:03
• Updated: 13/Apr/12 19:55

Description

The following definition works fine with the builder:
record Rec {
union

{ boolean, null } field = false;
}

but this one fails:
record Rec {
union { boolean, null }

field = null;
}

Rec.newBuilder().build() fails with this error:

org.apache.avro.AvroRuntimeException: org.apache.avro.AvroTypeException: Non-boolean default for boolean: null
at Rec$Builder.build
Caused by: org.apache.avro.AvroTypeException: Non-boolean default for boolean: null
at org.apache.avro.io.parsing.ResolvingGrammarGenerator.encode(ResolvingGrammarGenerator.java:393)
at org.apache.avro.io.parsing.ResolvingGrammarGenerator.encode(ResolvingGrammarGenerator.java:350)
at org.apache.avro.data.RecordBuilderBase.defaultValue(RecordBuilderBase.java:178)
at Rec$Builder.build