[AVRO-1099] Int / Float cannot be decoded

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.6.3
• Fix Version/s: 1.7.0
• Component/s: java
• Labels: patch

Environment

Mac OS X 10.7.3. Eclipse IDE for Java EE Developers 1.4.2.20120213

• Tags: int double zero 0
• Assignee: Doug Cutting
• Reporter: John Jenkins
• Created: 21/May/12 23:22
• Updated: 11/Jun/12 20:01
• Resolved: 07/Jun/12 20:42

Description

I am currently using a JSON library that is encoding 0 for a double to "0" instead of "0.0", without the quotes. First, I feel that "0" is a perfectly valid value for 0 as a double. But, I tried to code around it by changing the "type" of the field to "["double", "int"]", without the quotes and it is giving me this error:

Exception in thread "main" org.apache.avro.AvroTypeException: Expected start-union. Got VALUE_NUMBER_INT
at org.apache.avro.io.JsonDecoder.error(JsonDecoder.java:697)
at org.apache.avro.io.JsonDecoder.readIndex(JsonDecoder.java:441)
at org.apache.avro.io.ResolvingDecoder.doAction(ResolvingDecoder.java:229)
at org.apache.avro.io.parsing.Parser.advance(Parser.java:88)
at org.apache.avro.io.ResolvingDecoder.readIndex(ResolvingDecoder.java:206)
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:148)
at org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:173)
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:144)
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:135)

If I change it to just "int", then it works for a few records until it reaches a double.

Thank you,

John