Doug Cutting

Adding a new fundamental type of schema is incompatible. In particular, any implementation that has not implemented this will be unable to read data that uses this feature. Inclusion of...

I think that might "just work" with Avro 1.4.1. If you don't have classes loaded that correspond to the types in an Avro data file, it will use the generic...

Have you seen the support for SequenceFiles added to Avro 1.4.1? https://issues.apache.org/jira/browse/AVRO-662 http://avro.apache.org/docs/current/api/java/org/apache/avro/mapred/SequenceFileInputFormat.html This uses reflection to infer the Avro schema used when writing the Writables, so non-static, non-transient fields...

The intent is that FooWritable's reflected schema would be inlined above. Do you have a code example/test case of what you're trying to do?