When our Solr 5.5.4 server restarts, it loses any cores it was running with previously. When I try to re-create/re-add them using the original paths (via the web interface) I am told the core already exists and cannot be added. What am I missing?
Restore Solr core on server restart
solr
Best Answer
Many times people misunderstand how to "restart" solr. If you want to restart your solr instance following the commands:
then your cores most probably won't be there after the restart, and many times you won't be even able to load them.
If however, you stop your solr this way:
and then bring up each node of your cluster this way:
then your cores will be there! For the previous command for example you may issue: