java.net.UnknownHostException: Web: Web: unknown error

Stack Overflow | Sushil | 5 months ago
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Root Cause Analysis

  1. java.net.UnknownHostException

    Web: unknown error

    at java.net.Inet4AddressImpl.lookupAllHostAddr()
  2. Java RT
    InetAddress.getLocalHost
    1. java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
    2. java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
    3. java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
    4. java.net.InetAddress.getLocalHost(InetAddress.java:1500)
    4 frames
  3. Hadoop
    DNS.<clinit>
    1. org.apache.hadoop.net.DNS.resolveLocalHostIPAddress(DNS.java:287)
    2. org.apache.hadoop.net.DNS.<clinit>(DNS.java:58)
    2 frames
  4. Apache Hadoop HDFS
    NameNode.main
    1. org.apache.hadoop.hdfs.server.namenode.NNStorage.newBlockPoolID(NNStorage.java:982)
    2. org.apache.hadoop.hdfs.server.namenode.NNStorage.newNamespaceInfo(NNStorage.java:591)
    3. org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:157)
    4. org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:992)
    5. org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1434)
    6. org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1559)
    6 frames