public void shutdown(final boolean terminate) { long start = Clock.currentTimeMillis(); if (logger.isFinestEnabled()) { logger.finest("We are being asked to shutdown when state = " + state); } if (!STATE.compareAndSet(this, NodeState.ACTIVE, NodeState.SHUTTING_DOWN)) { waitIfAlreadyShuttingDown(); return; } if (!terminate) { final int maxWaitSeconds = groupProperties.getSeconds(GroupProperty.GRACEFUL_SHUTDOWN_MAX_WAIT); if (!partitionService.prepareToSafeShutdown(maxWaitSeconds, TimeUnit.SECONDS)) { logger.warning( "Graceful shutdown could not be completed in " + maxWaitSeconds + " seconds!"); } clusterService.sendShutdownMessage(); } else { logger.warning("Terminating forcefully..."); } // set the joined=false first so that // threads do not process unnecessary // events, such as remove address joined.set(false); setMasterAddress(null); try { if (groupProperties.getBoolean(GroupProperty.SHUTDOWNHOOK_ENABLED)) { Runtime.getRuntime().removeShutdownHook(shutdownHookThread); } discoveryService.destroy(); logger.info("Shutting down connection manager..."); connectionManager.shutdown(); } catch (Throwable ignored) { } versionCheck.shutdown(); if (managementCenterService != null) { managementCenterService.shutdown(); } textCommandService.stop(); if (multicastService != null) { logger.info("Shutting down multicast service..."); multicastService.stop(); } logger.info("Shutting down connection manager..."); connectionManager.shutdown(); logger.info("Shutting down node engine..."); nodeEngine.shutdown(terminate); if (securityContext != null) { securityContext.destroy(); } nodeExtension.destroy(); logger.finest("Destroying serialization service..."); serializationService.destroy(); hazelcastThreadGroup.destroy(); logger.info( "Hazelcast Shutdown is completed in " + (Clock.currentTimeMillis() - start) + " ms."); state = NodeState.SHUT_DOWN; }