SpringCloud sleuth 整合zipkin+kafka 链接报错

来源：8-4 SpringCloud Sleuth 整合 Zipkin 实现分布式链路跟踪、收集

Captain2021

2022-02-07

gateway 配置文件
kafka:
bootstrap-servers: 192.168.5.89:9092
producer:
retries: 3
consumer:
auto-offset-reset: latest
zipkin:
sender:
type: kafka # 默认是 web
base-url: http://192.168.5.89:9411/
链接报错信息:
java.net.UnknownHostException: centos
at java.net.InetAddress.getAllByName0(InetAddress.java:1281) ~[na:1.8.0_251]
at java.net.InetAddress.getAllByName(InetAddress.java:1193) ~[na:1.8.0_251]
at java.net.InetAddress.getAllByName(InetAddress.java:1127) ~[na:1.8.0_251]
at org.apache.kafka.clients.ClientUtils.resolve(ClientUtils.java:110) ~[kafka-clients-2.5.0.jar:na]
at org.apache.kafka.clients.ClusterConnectionStates $N o d e C o n n e c t i o n S t a t e . c u r r e n t A d d r e s s (C l u s t e r C o n n e c t i o n S t a t e s . j a v a : 403) [k a f k a - c l i e n t s - 2.5.0 . j a r : n a] a t o r g . a p a c h e . k a f k a . c l i e n t s . C l u s t e r C o n n e c t i o n S t a t e s$ NodeConnectionState.access $200 (C l u s t e r C o n n e c t i o n S t a t e s . j a v a : 363) [k a f k a - c l i e n t s - 2.5.0 . j a r : n a] a t o r g . a p a c h e . k a f k a . c l i e n t s . C l u s t e r C o n n e c t i o n S t a t e s . c u r r e n t A d d r e s s (C l u s t e r C o n n e c t i o n S t a t e s . j a v a : 151) [k a f k a - c l i e n t s - 2.5.0 . j a r : n a] a t o r g . a p a c h e . k a f k a . c l i e n t s . N e t w o r k C l i e n t . i n i t i a t e C o n n e c t (N e t w o r k C l i e n t . j a v a : 955) [k a f k a - c l i e n t s - 2.5.0 . j a r : n a] a t o r g . a p a c h e . k a f k a . c l i e n t s . N e t w o r k C l i e n t . r e a d y (N e t w o r k C l i e n t . j a v a : 293) [k a f k a - c l i e n t s - 2.5.0 . j a r : n a] a t o r g . a p a c h e . k a f k a . c l i e n t s . a d m i n . K a f k a A d m i n C l i e n t$ AdminClientRunnable.sendEligibleCalls(KafkaAdminClient.java:1018) [kafka-clients-2.5.0.jar:na]
at org.apache.kafka.clients.admin.KafkaAdminClient $A d m i n C l i e n t R u n n a b l e . p r o c e s s R e q u e s t s (K a f k a A d m i n C l i e n t . j a v a : 1260) [k a f k a - c l i e n t s - 2.5.0 . j a r : n a] a t o r g . a p a c h e . k a f k a . c l i e n t s . a d m i n . K a f k a A d m i n C l i e n t$ AdminClientRunnable.run(KafkaAdminClient.java:1203) [kafka-clients-2.5.0.jar:na]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_251]