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HDFS-15919. BlockPoolManager should log stack trace if unable to get Namenode addresses. Contributed by Stephen O'Donnell.

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He Xiaoqiao 2021-03-25 12:24:14 +08:00
parent 654555783d
commit ed5814deff
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java
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@ -158,7 +158,7 @@ void refreshNamenodes(Configuration conf)
newLifelineAddressMap = newLifelineAddressMap =
DFSUtil.getNNLifelineRpcAddressesForCluster(conf); DFSUtil.getNNLifelineRpcAddressesForCluster(conf);
} catch (IOException ioe) { } catch (IOException ioe) {
LOG.warn("Unable to get NameNode addresses."); LOG.warn("Unable to get NameNode addresses.", ioe);
} }
if (newAddressMap == null || newAddressMap.isEmpty()) { if (newAddressMap == null || newAddressMap.isEmpty()) {