Hadoop3.1 startup error report

< H1 > hadoop startup error < / H1 >

configuration files are all written
and then started

[root@master logs]-sharp start-dfs.sh
Starting namenodes on [master]
Last login: Wed Jul  4 16:30:19 CST 2018 on pts/0
bash v3.2+ is required. Sorry.
Starting datanodes
Last login: Wed Jul  4 16:31:04 CST 2018 on pts/0
bash v3.2+ is required. Sorry.
Starting secondary namenodes [master]
Last login: Wed Jul  4 16:31:04 CST 2018 on pts/0
bash v3.2+ is required. Sorry.

shows that a bash version above v3.2 is required

but I read my version of bash that meets the requirements

GNU bash, version 4.2.46(2)-release (x86_64-redhat-linux-gnu)
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

solve

Linux java hadoop

Mar.23,2021

may have used zsh for shell, can chsh-s / bin/bash reuse bash

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