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From "Aaron Kimball (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AVRO-997) Union of enum and null cannot be serialized
Date Wed, 18 Jan 2012 16:42:41 GMT
Union of enum and null cannot be serialized
-------------------------------------------

                 Key: AVRO-997
                 URL: https://issues.apache.org/jira/browse/AVRO-997
             Project: Avro
          Issue Type: Bug
    Affects Versions: 1.5.1
            Reporter: Aaron Kimball


I have a schema like:

{code}
[
{
  "type": "enum",
  "name": "Gender",
  "symbols": ["M", "F"]
},

{
  "type" : "record",
  "name" : "Foo",
  "fields" : [
    { "type" : ["Gender", "null"], "name" : "gender" },
    ...
  ]
}
]
{code}

I build a record like {{Foo foo = new Foo(); foo.gender = Gender.M;}}

When I go to serialize this, I get:
{code}Not in union [{"type":"enum","name":"Gender","symbols":["M","F"]},"null"]: M
	at org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:482)
	at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:70)
	at org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:104)
	at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:65)
	at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:57)
{code}

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