Major Description
The docker-hadoop.sh can not install component correctly as follows.
$ ./docker-hadoop.sh -d -C config_rockylinux-8.yaml -c 3 snip... Error: Execution of '/usr/bin/dnf -d 0 -e 1 -y install java-1.8.0-openjdk-devel' returned 1: Error: Failed to download metadata for repo 'Bigtop_0': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried Error: /Stage[main]/Jdk/Package[jdk]/ensure: change from 'purged' to 'present' failed: Execution of '/usr/bin/dnf -d 0 -e 1 -y install java-1.8.0-openjdk-devel' returned 1: Error: Failed to download metadata for repo 'Bigtop_0': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried ...
In config file, the "repo" section is set `http://repos.bigtop.apache.org/releases/3.1.0/centos/8/$basearch` by defalut.
But Bigtop 3.1 or higher, above url is invalid.
