系统环境：CentOS7.8 3台
Docker版本：19.03.11
Kubernetes版本：v1.17.3
Kubesphere版本：v2.1.1
外部Harbor版本：1.9.4（用此版本原因是这个版本能解决在Kubesphere2.1.1中不能用自签证书以及http自动跳转https的问题）
问题描述：在构建镜像功能中点击创建后出现下图错误：
我找到了一篇类似贴，DevOps构建的时候报图中的错误，贴中的问题也有出现过，但是该帖没有具体解决方案就沉了。
我查看了s2ioperator-0日志，并没有报错
[root@CentOS-K8S-Master ~]# kubectl -n kubesphere-devops-system logs s2ioperator-0
{"level":"info","ts":1592288285.0750349,"logger":"entrypoint","msg":"setting up client for manager"}
{"level":"info","ts":1592288285.0752263,"logger":"entrypoint","msg":"setting up manager"}
{"level":"info","ts":1592288285.2869802,"logger":"entrypoint","msg":"Registering Components."}
{"level":"info","ts":1592288285.287007,"logger":"entrypoint","msg":"setting up scheme"}
{"level":"info","ts":1592288285.2873247,"logger":"entrypoint","msg":"Setting up controller"}
{"level":"info","ts":1592288285.28743,"logger":"kubebuilder.controller","msg":"Starting EventSource","controller":"s2ibuilder-controller","source":"kind source: /, Kind="}
{"level":"info","ts":1592288285.2875617,"logger":"kubebuilder.controller","msg":"Starting EventSource","controller":"s2ibuilder-controller","source":"kind source: /, Kind="}
{"level":"info","ts":1592288285.2876945,"logger":"kubebuilder.controller","msg":"Starting EventSource","controller":"s2irun-controller","source":"kind source: /, Kind="}
{"level":"info","ts":1592288285.2877245,"logger":"kubebuilder.controller","msg":"Starting EventSource","controller":"s2irun-controller","source":"kind source: /, Kind="}
{"level":"info","ts":1592288285.2877948,"logger":"kubebuilder.controller","msg":"Starting EventSource","controller":"s2irun-controller","source":"kind source: /, Kind="}
{"level":"info","ts":1592288285.2878778,"logger":"entrypoint","msg":"setting up webhooks"}
{"level":"info","ts":1592288285.2879946,"logger":"entrypoint","msg":"start collect s2i metrics"}
{"level":"info","ts":1592288285.2880008,"logger":"entrypoint","msg":"Starting the Cmd."}
{"level":"info","ts":1592288286.4722383,"logger":"kubebuilder.webhook","msg":"installing webhook configuration in cluster"}
{"level":"info","ts":1592288286.4724057,"logger":"kubebuilder.controller","msg":"Starting Controller","controller":"s2ibuilder-controller"}
{"level":"info","ts":1592288286.4724364,"logger":"kubebuilder.controller","msg":"Starting Controller","controller":"s2irun-controller"}
{"level":"info","ts":1592288286.872535,"logger":"kubebuilder.controller","msg":"Starting workers","controller":"s2irun-controller","worker count":1}
{"level":"info","ts":1592288286.8729045,"logger":"kubebuilder.controller","msg":"Starting workers","controller":"s2ibuilder-controller","worker count":1}
{"level":"info","ts":1592288289.0331757,"logger":"kubebuilder.webhook","msg":"starting the webhook server."}
我也查看了jenkins服务是正常的，web网页也能登录操作
[root@CentOS-K8S-Master ~]# kubectl -n kubesphere-devops-system get pod,svc
NAME READY STATUS RESTARTS AGE
pod/ks-devops-db-ctrl-job-lx2cg 0/1 Completed 0 58m
pod/ks-devops-db-init-job-wdpwt 0/1 Completed 0 58m
pod/ks-jenkins-75695b8584-llsbc 1/1 Running 0 56m
pod/ks-sonarqube-postgresql-666d5bd77-f75vp 1/1 Running 1 143m
pod/ks-sonarqube-sonarqube-f68dd5ff5-4cxtg 1/1 Running 1 143m
pod/s2ioperator-0 1/1 Running 1 57m
pod/uc-jenkins-update-center-b465bf4d-pbjxf 1/1 Running 18 6d6h
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/ks-jenkins NodePort 10.103.92.126 <none> 80:30180/TCP 6d6h
service/ks-jenkins-agent ClusterIP 10.105.102.3 <none> 50000/TCP 6d6h
service/ks-sonarqube-postgresql ClusterIP 10.102.187.74 <none> 5432/TCP 143m
service/ks-sonarqube-sonarqube NodePort 10.107.19.153 <none> 9000:30204/TCP 143m
service/s2ioperator ClusterIP 10.102.208.80 <none> 443/TCP 6d6h
service/s2ioperator-metrics-service ClusterIP 10.110.243.19 <none> 8080/TCP 6d6h
service/uc-jenkins-update-center ClusterIP 10.106.244.211 <none> 80/TCP 6d6h
service/webhook-server-service ClusterIP 10.107.187.60 <none> 443/TCP 6d6h
看看各位有没有遇到相同的问题及有解决方案的，google百度各种已经查了很久也没解决方案。感谢各位！
