java.net.UnknownHostException: master: master: unknown error

Stack Overflow | TuanMang | 8 months ago
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Root Cause Analysis

  1. java.net.UnknownHostException

    master: unknown error

    at java.net.Inet6AddressImpl.lookupAllHostAddr()
  2. Java RT
    InetAddress.getLocalHost
    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.getLocalHost(InetAddress.java:1500)
    4 frames
  3. Spark
    Utils$$anonfun$localHostName$1.apply
    1. org.apache.spark.util.Utils$.findLocalInetAddress(Utils.scala:789)
    2. org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress$lzycompute(Utils.scala:782)
    3. org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress(Utils.scala:782)
    4. org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:839)
    5. org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:839)
    5 frames
  4. Scala
    Option.getOrElse
    1. scala.Option.getOrElse(Option.scala:121)
    1 frame
  5. Spark
    SparkContext.<init>
    1. org.apache.spark.util.Utils$.localHostName(Utils.scala:839)
    2. org.apache.spark.SparkContext.<init>(SparkContext.scala:420)
    2 frames
  6. Unknown
    TestMain.main
    1. TestMain$.main(TestMain.scala:8)
    2. TestMain.main(TestMain.scala)
    2 frames
  7. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  8. IDEA
    AppMain.main
    1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
    1 frame