Solr waits too long for connect after editing solr.in.sh

Good afternoon. In Solr 8.6 Guide, in chapter "Securing Solr", there is section "Enable IP Access Control". Here I can theoretically uncomment and edit content of solr.in.sh commands: SOLR_IP_WHITELIST, SOLR_IP_BLACKLIST. When I did this, launching local Solr server takes too much time (over 30

Solr doesn't run after editing solr.in.sh

Good morning. When I uncomment any of commands in solr.in.sh, Solr doesn't run. What do I have to do to fix a problem? Best regards, Maciej Pregiel