java.net.UnknownHostException: master-elasticsearch-dc2: unknown error

GitHub | rzenker | 6 months ago
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Root Cause Analysis

  1. java.net.UnknownHostException

    master-elasticsearch-dc2: unknown error

    at java.net.Inet6AddressImpl.lookupAllHostAddr()
  2. Java RT
    InetAddress.getAllByName
    1. java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
    2. java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
    3. java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
    4. java.net.InetAddress.getAllByName0(InetAddress.java:1276)
    5. java.net.InetAddress.getAllByName(InetAddress.java:1192)
    6. java.net.InetAddress.getAllByName(InetAddress.java:1126)
    6 frames
  3. ElasticSearch
    UnicastZenPing.<init>
    1. org.elasticsearch.transport.netty.NettyTransport.parse(NettyTransport.java:733)
    2. org.elasticsearch.transport.netty.NettyTransport.addressesFromString(NettyTransport.java:685)
    3. org.elasticsearch.transport.TransportService.addressesFromString(TransportService.java:424)
    4. org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing.<init>(UnicastZenPing.java:160)
    4 frames
  4. Java RT
    Constructor.newInstance
    1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4. java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    4 frames