In 1.4.10 after executing one class, the appium is getting terminated

info: [debug] Remote debugger notified us of a new page listing
info: [debug] New page listing is same as old, doing nothing
info: [debug] Didn’t get a new command in 60 secs, shutting down…
info: Shutting down appium session
info: [debug] Stopping ios
info: [debug] Destroying instruments client socket.
info: [debug] Closing socket server.
info: [debug] Instruments socket server was closed
info: [debug] Sending sigterm to instruments