Suddenly Engine gets offline -NPrinting17

[#1]

hi..

i have started work with NP17 SR1 i was created the reports and publish that after few hours suddenly my engine status get offline ..

i tried restart all the services but its not working.. engine stuck in offline

Then i check my log files scheduler shows Check the RabbitMQ service status..like below

actually repo services also get suddenly stoped often like this same error

how can i resolve this issue

suggesting me?