void refreshNamenodes(Configuration conf) throws IOException { LOG.info("Refresh request received for nameservices: " + conf.get(DFSConfigKeys.DFS_NAMESERVICES)); Map<String, Map<String, InetSocketAddress>> newAddressMap = null; Map<String, Map<String, InetSocketAddress>> newLifelineAddressMap = null; try { newAddressMap = DFSUtil.getNNServiceRpcAddressesForCluster(conf); newLifelineAddressMap = DFSUtil.getNNLifelineRpcAddressesForCluster(conf); } catch (IOException ioe) { LOG.warn("Unable to get NameNode addresses."); } if (newAddressMap == null || newAddressMap.isEmpty()) { throw new IOException("No services to connect, missing NameNode " + "address."); } synchronized (refreshNamenodesLock) { doRefreshNamenodes(newAddressMap, newLifelineAddressMap); } }
void refreshNamenodes(Configuration conf) throws IOException { LOG.info("Refresh request received for nameservices: " + conf.get (DFSConfigKeys.DFS_NAMESERVICES)); Map<String, Map<String, InetSocketAddress>> newAddressMap = DFSUtil .getNNServiceRpcAddressesForCluster(conf); synchronized (refreshNamenodesLock) { doRefreshNamenodes(newAddressMap); } }
void refreshNamenodes(Configuration conf) throws IOException { LOG.info("Refresh request received for nameservices: " + conf.get (DFSConfigKeys.DFS_NAMESERVICES)); Map<String, Map<String, InetSocketAddress>> newAddressMap = DFSUtil .getNNServiceRpcAddressesForCluster(conf); synchronized (refreshNamenodesLock) { doRefreshNamenodes(newAddressMap); } }