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https://issues.apache.org/jira/browse/AVRO-2032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498449#comment-16498449
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Zoltan Farkas commented on AVRO-2032:
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I resolved this issue in my fork, it is fairly a small fix, here is the detail:
[https://github.com/zolyfarkas/avro/commit/afe6c04f38c535533c33ed4c303fb011df828606]
I will not have time to work on a PR anytime soon....so any help appreciated...
> Unable to decode JSON-encoded Double.NaN, Double.POSITIVE_INFINITY or
> Double.NEGATIVE_INFINITY
> ----------------------------------------------------------------------------------------------
>
> Key: AVRO-2032
> URL: https://issues.apache.org/jira/browse/AVRO-2032
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.8.1
> Reporter: Pieter Dekinder
> Priority: Major
>
> When using the JsonEncoder to serialize Double.NaN, Double.POSITIVE_INFINITY
> or Double.NEGATIVE_INFINITY to resulting JSON cannot be parsed by the
> JsonDencoder.
> An AvroTypeException is thrown with the message "Expected double. Got
> VALUE_STRING".
> When using BinaryEncoder/BinaryDecoder, it works fine.
> This JUnit code snippet will reproduce the issue:
> @Test
> public void test() throws Exception {
> Schema schema = SchemaBuilder.builder()
> .record("record")
> .fields()
> .optionalDouble("number1")
> .optionalDouble("number2")
> .optionalDouble("number3")
> .endRecord();
> GenericData.Record record = new GenericData.Record(schema);
> record.put("number1", Double.NaN);
> record.put("number2", Double.POSITIVE_INFINITY);
> record.put("number3", Double.NEGATIVE_INFINITY);
> ByteArrayOutputStream out = new ByteArrayOutputStream();
> JsonEncoder encoder = EncoderFactory.get().jsonEncoder(schema, out);
> new GenericDatumWriter<GenericRecord>(schema).write(record, encoder);
> encoder.flush();
> System.out.println(out);
> Decoder decoder = DecoderFactory.get().jsonDecoder(schema,
> out.toString());
> GenericData.Record deserialized = new GenericData.Record(schema);
> new GenericDatumReader<GenericRecord>(schema).read(deserialized,
> decoder);
> }
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