[jira] [Created] (AVRO-2912) Protobuf to Avro - throw an exception of "org.apache.avro.AvroRuntimeException: Malformed data. Length is negative: -25"

["Nir Barel (Jira)" <ji...@apache.org>]

Nir Barel created AVRO-2912:
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             Summary: Protobuf to Avro - throw an exception of "org.apache.avro.AvroRuntimeException: Malformed data. Length is negative: -25"
                 Key: AVRO-2912
                 URL: https://issues.apache.org/jira/browse/AVRO-2912
             Project: Apache Avro
          Issue Type: Bug
          Components: java
    Affects Versions: 1.9.2
            Reporter: Nir Barel


Hi,

 

I tried to convert a protobuf bytes array into avro GenericRecord.

I used the avro-protobuf lib to generate the schema of my protobuf.

When I tries to convert my bytes array into GenericRecord I get an exception of "org.apache.avro.AvroRuntimeException: Malformed data. Length is negative: -25"

Tried to debug this a bit, but couldn't tell why it fail on 1st field.

I double check my proto bytes array by converting it into protobuf object or JSON and data is valid.

 

snip of my code:
{code:java}
Schema schema = ProtobufData.get().getSchema(Proto.class); 
ProtobufDatumReader<Proto> datumReader = new ProtobufDatumReader<>(Proto.class); 
GenericDatumReader<GenericRecord> genericDatumReader = new GenericDatumReader<>(datumReader.getSchema());
GenericRecord record = genericDatumReader.read(null, DecoderFactory.get().binaryDecoder(new ByteArrayInputStream(bytes), null));
{code}
 

 



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