Help with Nextant (ocr not working)

Hey i want to install nextant but after (https://github.com/nextcloud/nextant/wiki)

sudo /etc/init.d/solr start -p"

it post :

Port 8983 is already being used by another process (pid: 2414)
Please choose a different port using the -p option.

what can i do now?

A Solr is already running on that port ?

oh didnt noticed that :'D its working now… but i intalled tesseract but its not indexing pictures…