if (!this.serverManager.isServerOnline(sn)) {
LOG.error("Dropped split! ServerName=" + sn + " unknown.");
break;
}
// Run handler to do the rest of the SPLIT handling.
this.executorService.submit(new SplitRegionHandler(master, this,
regionState.getRegion(), sn, daughters));
break;
case M_ZK_REGION_CLOSING:
hri = checkIfInFailover(regionState, encodedName, data);