Prathamesh created AVRO-3536:
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Summary: Union type not inheriting type conversions
Key: AVRO-3536
URL: https://issues.apache.org/jira/browse/AVRO-3536
Project: Apache Avro
Issue Type: Bug
Components: java
Affects Versions: 1.11.0
Reporter: Prathamesh
Attachments: Test1.avsc
The attached schema has top-level AVRO Union type. Whenever the client tries to
deserialize the message it fails at parsing field - , with stack trace -
Caused by: java.lang.ClassCastException: class java.nio.HeapByteBuffer cannot
be cast to class java.math.BigDecimal (java.nio.HeapByteBuffer and
java.math.BigDecimal are in module java.base of loader 'bootstrap')
at io.confluent.base.model.Test1.put(Test1.java:115)
at org.apache.avro.generic.GenericData.setField(GenericData.java:837)
at
org.apache.avro.specific.SpecificDatumReader.readField(SpecificDatumReader.java:139)
at
org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:248)
at
org.apache.avro.specific.SpecificDatumReader.readRecord(SpecificDatumReader.java:123)
at
org.apache.avro.generic.GenericDatumReader.readWithoutConversion(GenericDatumReader.java:180)
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:161)
at
org.apache.avro.generic.GenericDatumReader.readWithoutConversion(GenericDatumReader.java:188)
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:161)
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:154)
at
io.confluent.kafka.serializers.AbstractKafkaAvroDeserializer$DeserializationContext.read(AbstractKafkaAvroDeserializer.java:400)
The sample message you can try is -
{ "io.confluent.base.model.Test1": \{"opt_amount": { "bytes": "10.2"}}}
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