This is a minimal application for reading a parquet file. I put this together from source I found elsewhere on github, and it exists entirely for debugging ParquetMR.
https://stackoverflow.com/questions/59939309/read-local-parquet-file-without-hadoop-path-api
I stole code from this project: https://github.com/benwatson528/intellij-avro-parquet-plugin