GitHub user shan-96 added a comment to the discussion: JSONSchema should works
with generic (parameterized type) POJO/DTO.
@vamsi360
We are trying to write to Avro Files using version 1.8.3-ppe-9.10
We are writing a java object from memory to a specified file using
`DataFileWriter`.
While building the schema of the POJO at runtime, we call...
```
private static Schema getJsonSchema(Class c) {
Schema s = ReflectData.AllowNull.get().getSchema(c);
AvroSchema avroSchema = new AvroSchema(s);
return avroSchema.getAvroSchema();
}
```
However, we still get the same exception as mentioned above which we got
through maven released version of Avro (1.8)
Our schema (POJO) looks like this:
```
public RawData extends Data<String>{
private static final long serialVersionUID = 1L;
private long field 1;
private String field 2;
}
public abstract class Data<T> implements Serializable {
private static final long serialVersionUID = 1L;
private String dataType;
private T id;
}
```
We want to define `AvroSchema `for `RawData.class`
cc: @rohts-patil
GitHub link:
https://github.com/apache/pulsar/discussions/18849#discussioncomment-4352453
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