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https://issues.apache.org/jira/browse/AVRO-2032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18042616#comment-18042616
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ASF subversion and git services commented on AVRO-2032:
-------------------------------------------------------
Commit 53e52f9d762152a1598b93e0e9b4a5aff9a8ab3d in avro's branch
refs/heads/branch-1.12 from Raphael Rösch
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=53e52f9d76 ]
AVRO-2032: Add support for NaN, Infinity and -Infinity in JsonDecoder (#3066)
JsonEncoder uses special string values to represent NaN, Infinity and
-Infinity values for float and double values, but JsonDecoder does not
accept these string values. This change adds support for these special
values to JsonDecoder.
> 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: Apache Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.8.1
> Reporter: Pieter Dekinder
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.13.0
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> 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:
> {code}
> @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);
> }
> {code}
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