Apache kafka 卡夫卡：一位经纪人保存着打印信息日志：“；不是“U分区”的“U领导人”；

我用三个代理建立了一个kafka集群，并用参数创建了几个主题——复制因子2——分区1，无消息生成或使用

但我发现其中有一个代理，每秒都有连续的输出信息日志，而另外两个代理看起来很好：

[2018-07-09 10:11:17

743] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:18,744] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:19,744] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:20,745] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:21,746] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:22,746] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:23,747] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:24,747] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:25,748] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:26,749] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:27,749] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:28,750] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:29,750] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:30,751] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:31,752] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:32,752] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)
[2018-07-09 10:11:33,753] INFO [ReplicaFetcher replicaId=3, leaderId=128, fetcherId=0] Retrying leaderEpoch request for partition TOPIC_LOGIN_EVENT-0 as the leader reported an error: NOT_LEADER_FOR_PARTITION (kafka.server.ReplicaFetcherThread)

---

我找到了问题的根源，我没有配置侦听地址，因此每个代理在默认情况下都使用InetAddress.getLocalHost（）绑定它。不幸的是，一个拥有主题的主分区的代理使用“localhost:9092”。问题代理被告知通过“localhost:9092”连接到主分区，结果与自身有关， 当然，不是“分区的领导者”

---

我更正了/etc/hosts，它正常工作了

我找到了问题的根源，我没有配置侦听地址，因此默认情况下，每个代理都使用InetAddress.getLocalHost（）绑定它。因此，不幸的是，一个拥有主题主分区的代理使用了“localhost:9092”。问题代理被告知通过“localhost:9092”，结果连接到自身， 当然，不是“分区的领导者”

---

我纠正了/etc/hosts，它可以正常工作

我遇到了类似的问题，但找不到解决方案，因此我过去经常检查。在将数据放入卡夫卡主题之前，是否所有代理都可用。我遇到了类似的问题，但找不到解决方案，因此我过去经常检查。在putti之前，是否所有代理都可用将数据转换为卡夫卡主题。