Github user huafengw commented on a diff in the pull request: https://github.com/apache/incubator-gearpump/pull/133#discussion_r96557102 --- Diff: core/src/main/scala/org/apache/gearpump/cluster/client/ClientContext.scala --- @@ -53,20 +55,21 @@ class ClientContext(config: Config, sys: ActorSystem, _master: ActorRef) { } private val LOG: Logger = LogUtil.getLogger(getClass) - private implicit val timeout = Timeout(5, TimeUnit.SECONDS) - implicit val system = Option(sys).getOrElse(ActorSystem(s"client${Util.randInt()}", config)) LOG.info(s"Starting system ${system.name}") - val shouldCleanupSystem = Option(sys).isEmpty - + private val shouldCleanupSystem = Option(sys).isEmpty --- End diff -- The `system` won't be empty but `sys` can still be empty. `sys` not being empty means user has provided a ActorSystem so clientcontext should clean up user's actor system when being closed.
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