Sort:  

check your logs properly, if it's really running or not. restart it if needed.

Apparently blockchain is corrupted... so re-downloading and replaying.

Yeh corruption may happen if you ran out of hdd or ram space, or a misconfigured shared memory size. In that case, redownload/replay is the solution.

Thanks for these suggestions. Reran but no luck. Will poke those variables and see.