HDFS-13275. Adding log for BlockPoolManager#refreshNamenodes failures. Contributed by Ajay Kumar.
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@ -146,13 +146,25 @@ void joinAll() {
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void refreshNamenodes(Configuration conf)
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void refreshNamenodes(Configuration conf)
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throws IOException {
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throws IOException {
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LOG.info("Refresh request received for nameservices: " + conf.get
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LOG.info("Refresh request received for nameservices: " +
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(DFSConfigKeys.DFS_NAMESERVICES));
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conf.get(DFSConfigKeys.DFS_NAMESERVICES));
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Map<String, Map<String, InetSocketAddress>> newAddressMap = DFSUtil
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Map<String, Map<String, InetSocketAddress>> newAddressMap = null;
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.getNNServiceRpcAddressesForCluster(conf);
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Map<String, Map<String, InetSocketAddress>> newLifelineAddressMap = null;
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Map<String, Map<String, InetSocketAddress>> newLifelineAddressMap = DFSUtil
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.getNNLifelineRpcAddressesForCluster(conf);
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try {
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newAddressMap =
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DFSUtil.getNNServiceRpcAddressesForCluster(conf);
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newLifelineAddressMap =
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DFSUtil.getNNLifelineRpcAddressesForCluster(conf);
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} catch (IOException ioe) {
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LOG.warn("Unable to get NameNode addresses.");
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}
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if (newAddressMap == null || newAddressMap.isEmpty()) {
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throw new IOException("No services to connect, missing NameNode " +
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"address.");
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}
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synchronized (refreshNamenodesLock) {
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synchronized (refreshNamenodesLock) {
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doRefreshNamenodes(newAddressMap, newLifelineAddressMap);
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doRefreshNamenodes(newAddressMap, newLifelineAddressMap);
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