在本地主机上拒绝连接：2181

Question

我已经按照对应网站上显示的步骤为TRON的eventsListener插件设置了一个Kalka服务器。启动服务器时出现错误，请参见以下错误。

Unable to connect to the zookeeper server localhost:2181 with timeout of 6000ms.

[2019-04-09 02:04:13,196] FATAL Fatal error during KafkaServerStartable startup. Prepare to shutdown (kafka.server.KafkaServerStartable)
org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to zookeeper server '127.0.0.1:2181' with timeout of 6000 ms
    at org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:1233)
    at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:157)
    at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:131)
    at kafka.utils.ZkUtils$.createZkClientAndConnection(ZkUtils.scala:106)
    at kafka.utils.ZkUtils$.apply(ZkUtils.scala:88)
    at kafka.server.KafkaServer.initZk(KafkaServer.scala:326)
    at kafka.server.KafkaServer.startup(KafkaServer.scala:187)
    at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:39)
    at kafka.Kafka$.main(Kafka.scala:67)
    at kafka.Kafka.main(Kafka.scala)
[2019-04-09 02:04:13,197] INFO shutting down (kafka.server.KafkaServer)