if (admin == null) {
LOG.warn("Attempting to send OPEN RPC to server " + server.toString() +
" failed because no RPC connection found to this server");
return RegionOpeningState.FAILED_OPENING;
}
OpenRegionRequest request =
RequestConverter.buildOpenRegionRequest(server, region, versionOfOfflineNode, favoredNodes);
try {
OpenRegionResponse response = admin.openRegion(null, request);
return ResponseConverter.getRegionOpeningState(response);
} catch (ServiceException se) {