JobTracer

afterRemotingStart

MonitorAppContext

TaskTrackerAppContext

JobTrackerAppContext

# registry:Registry# node:T# context:Context# config:Config- nodeChangeListeners:List- masterChangeListeners:List# started;AtomicBoolean

AppContext

remotingStart

JobTracker

configValidate

Config

FailbackRegistry

JobClientAppContext

Node

initConfig

ZookeeperRegistry

beforeRemotingStart

# remotingServer:RemotingServerDelegate

AbstractRegistry

Registry

# beforeStart()# afterStart()# afterStop()# beforeStop()# getDefaultProcessor()+ setOldDataHandler()

AliveKeeping

start()stop()destroy()

RedisRegistry

initRegistry

initHttpCmdServer