https://spark.apache.org/docs/2.1.0/building-spark.html#specifying-the-hadoop-version
Version Hadoop v2.2.0 only is the default build version, but other versions can
still be built. The package you downloaded is prebuilt for Hadoop 2.7 as said
on the download page, don't worry.
Yohann Jardin
I had downloaded the pre build package labeled "Spark 2.1.1 prebuilt with
Hadoop 2.7 or later" from the direct download link on spark.apache.org.
However, I am seeing compatibility errors running against a deployed HDFS
2.7.3. (See my earlier message about Flume DStream producing 0 records
after