I am having [what sounds like] the same issue to Hadoop 3.2.1 namenode formatting Per request to ask this as a new question, and also provide more details: This happens on a Desktop, Windows 10, 64bit, all Windows Updates applied. 1) Followed all instructions per https://dev.to/awwsmm/installing-and-running-hadoop-and-spark-on-windows-33kc. Except: a) Hadoop 3.2.1 […]