Github user HeartSaVioR commented on the issue:
https://github.com/apache/storm/pull/1942
@arunmahadevan
> I am not sure why cant we directly pass the FileReader implementation
instead of the class (like setReader(FileReader reader)) and I believe flux
will be able to handle this.
It enforces implementation to be `Serializable`, which HDFS classes (fields
in FileReader implementations) are not. That seems why HdfsSpout instantiates
FileReader in `open` method.
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