Database 'neo4j' is unavailable. after importing data in offline

[kalyan_b_aninda]

Hello I have installed latest 4.2.3 version of neo4j. the set up went well and password authentication also worked. I could run cypher-shell by resetting password from default neo4j. After importing offline a large chunk of data. I have restarted the neo4j db and then cypher-shell but it is not opening rather it shows
Database 'neo4j' is unavailable
I even tried chown on /var/ neo4j/ lib/data/databases/ permission but didnt happen. My offline importing was successful. .
kindly enlighten me to solve this

[sam_gijare]

Hi kalyan
Please find the admin command that sets Neo4j as default user.After that you can try other administrative commands.
Thanking you
Yours faithfully
Sameer S G