[mogu-admin:10.244.3.112:8080] [,] 2021-06-05 04:10:48.780 ERROR 1 [com.alibaba.nacos.client.Worker.longPolling.fixed-nacos.gulimall.svc.cluster.local_8848] com.alibaba.nacos.client.config.impl.ClientWorker [fixed-nacos.gulimall.svc.cluster.local_8848] [check-update] get changed dataId exception
java.net.UnknownHostException: nacos.gulimall.svc.cluster.local
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
at sun.net.www.http.HttpClient.New(HttpClient.java:339)
at sun.net.www.http.HttpClient.New(HttpClient.java:357)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
at com.alibaba.nacos.common.http.client.request.JdkHttpClientRequest.execute(JdkHttpClientRequest.java:106)
at com.alibaba.nacos.common.http.client.InterceptingHttpClientRequest.execute(InterceptingHttpClientRequest.java:53)
at com.alibaba.nacos.common.http.client.NacosRestTemplate.execute(NacosRestTemplate.java:482)
at com.alibaba.nacos.common.http.client.NacosRestTemplate.postForm(NacosRestTemplate.java:407)
at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpPost(ServerHttpAgent.java:155)
at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpPost(MetricsHttpAgent.java:68)
at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateConfigStr(ClientWorker.java:441)
at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateDataIds(ClientWorker.java:408)
at com.alibaba.nacos.client.config.impl.ClientWorker$LongPollingRunnable.run(ClientWorker.java:596)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
root@hp:/# dig -t A nacos.gulimall.svc.cluster.local. @10.244.0.176
; <<>> DiG 9.11.3-1ubuntu1.15-Ubuntu <<>> -t A nacos.gulimall.svc.cluster.local. @10.244.0.176
;; global options: +cmd
;; Got answer:
;; WARNING: .local is reserved for Multicast DNS
;; You are currently testing what happens when an mDNS query is leaked to DNS
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49827
;; flags: qr rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 8a69c8768d24fd61 (echoed)
;; QUESTION SECTION:
;nacos.gulimall.svc.cluster.local. IN A
;; ANSWER SECTION:
nacos.gulimall.svc.cluster.local. 24 IN A 10.97.100.187
问题描述
当前的情况
过一两天就会断开连接,需要手动重启java服务,nacos服务一直正常运行,也没有日志
期望
可以配置,即使断开了,等正常的时候自动注册上去,就不用每次都重启应用了。
服务启动后注册成功,过一段时间,java应用就断开,在注册中心也看不到注册的服务了,然后必须重启java应用才会重新注册,java应用日志报错如下:
环境
spring配置
其他配置
问题排查
;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: 8a69c8768d24fd61 (echoed) ;; QUESTION SECTION: ;nacos.gulimall.svc.cluster.local. IN A
;; ANSWER SECTION: nacos.gulimall.svc.cluster.local. 24 IN A 10.97.100.187
;; Query time: 0 msec ;; SERVER: 10.244.0.176#53(10.244.0.176) ;; WHEN: Sat Jun 05 12:42:51 CST 2021 ;; MSG SIZE rcvd: 121