服务器被重启，再次启动Kafka异常

Kafka服务器突发状况被重启了，在启动Kafka节点时一直报错，异常如下：

[2020-11-27 04:56:17,611] WARN Could not initialize class kafka.network.RequestChannel$ (kafka.utils.CoreUtils$)
java.lang.NoClassDefFoundError: Could not initialize class kafka.network.RequestChannel$
at kafka.server.KafkaRequestHandler.shutdown(KafkaRequestHandler.scala:67)
at kafka.server.KafkaRequestHandlerPool$$anonfun$shutdown$2.apply(KafkaRequestHandler.scala:90)
at kafka.server.KafkaRequestHandlerPool$$anonfun$shutdown$2.apply(KafkaRequestHandler.scala:89)
at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
at kafka.server.KafkaRequestHandlerPool.shutdown(KafkaRequestHandler.scala:89)
at kafka.server.KafkaServer$$anonfun$shutdown$3.apply$mcV$sp(KafkaServer.scala:585)
at kafka.utils.CoreUtils$.swallow(CoreUtils.scala:79)
at kafka.utils.Logging$class.swallowWarn(Logging.scala:94)
at kafka.utils.CoreUtils$.swallowWarn(CoreUtils.scala:49)
at kafka.utils.Logging$class.swallow(Logging.scala:96)
at kafka.utils.CoreUtils$.swallow(CoreUtils.scala:49)
at kafka.server.KafkaServer.shutdown(KafkaServer.scala:585)
at kafka.server.KafkaServerStartable.shutdown(KafkaServerStartable.scala:51)
at kafka.Kafka$$anon$1.run(Kafka.scala:63)

 

解决办法：

在kafka集群各个节点的 /etc/hosts 配置主机IP与主机名称

查看主机名称：hostsname

127.0.0.1 log-kafka1