Kafka错误记录

Posted 2023-01-20 ZeroTeam_麒麟

java.net.UnknownHostException: master.i2ceo.cn: master.i2ceo.cn: Name or service not known
        at java.net.InetAddress.getLocalHost(InetAddress.java:1505)
        at kafka.server.KafkaHealthcheck$$anonfun$1.apply(KafkaHealthcheck.scala:61)
        at kafka.server.KafkaHealthcheck$$anonfun$1.apply(KafkaHealthcheck.scala:59)
        at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
        at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
        at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
        at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
        at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
        at scala.collection.AbstractTraversable.map(Traversable.scala:105)
        at kafka.server.KafkaHealthcheck.register(KafkaHealthcheck.scala:59)
        at kafka.server.KafkaHealthcheck.startup(KafkaHealthcheck.scala:51)
        at kafka.server.KafkaServer.startup(KafkaServer.scala:269)
        at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:39)
        at kafka.Kafka$.main(Kafka.scala:67)
        at kafka.Kafka.main(Kafka.scala)
Caused by: java.net.UnknownHostException: master.i2ceo.cn: Name or service not known
        at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
        at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
        at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
        at java.net.InetAddress.getLocalHost(InetAddress.java:1500)

        ... 14 more

解决方法:

提示的是Host找不到,在/etc/Hosts中映射的ip名称和主机名一致就可以了