Client UnknownHostException: NAMESERVICE"/>
HDFS Client UnknownHostException: NAMESERVICE
原始文章链接:/
问题现象
HDFS Client抛出如下异常:
java.UnknownHostException: NAMESERVICEat org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:374)at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:312)at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:178)at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:665)at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:601)
问题分析
Configuration实例缺乏配置项dfs.client.failover.proxy.provider.NAMESERVICE。
问题解决方案
在Configuration实例或其加载的配置文件中添加对应配置项。
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HDFS Client UnknownHostException: NAMESERVICE
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