Github user Jaskey commented on a diff in the pull request: https://github.com/apache/incubator-rocketmq/pull/139#discussion_r131043380 --- Diff: client/src/main/java/org/apache/rocketmq/client/impl/factory/MQClientInstance.java --- @@ -255,19 +255,17 @@ public void start() throws MQClientException { } private void startScheduledTask() { - if (null == this.clientConfig.getNamesrvAddr()) { - this.scheduledExecutorService.scheduleAtFixedRate(new Runnable() { + this.scheduledExecutorService.scheduleAtFixedRate(new Runnable() { --- End diff -- I don't see the problem if you agree that: dynamical fetch should only be trigged when user does not specify the ns explictly. So it means if(USER DOES NOT SPECIFY NS) { startFetch } where USER DOES NOT SPECIFY NS equals to `null == this.clientConfig.getNamesrvAddr()`
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