{"action":"created","issue":{"url":"https://api.github.com/repos/kubernetes/dashboard/issues/2689","repository_url":"https://api.github.com/repos/kubernetes/dashboard","labels_url":"https://api.github.com/repos/kubernetes/dashboard/issues/2689/labels{/name}","comments_url":"https://api.github.com/repos/kubernetes/dashboard/issues/2689/comments","events_url":"https://api.github.com/repos/kubernetes/dashboard/issues/2689/events","html_url":"https://github.com/kubernetes/dashboard/issues/2689","id":283096706,"number":2689,"title":"Synchronizer kubernetes-dashboard-key-holder-kube-system exited with error: kubernetes-dashboard-key-holder-kube-system watch ended with timeout","user":{"login":"KeithTt","id":15189954,"avatar_url":"https://avatars0.githubusercontent.com/u/15189954?v=4","gravatar_id":"","url":"https://api.github.com/users/KeithTt","html_url":"https://github.com/KeithTt","followers_url":"https://api.github.com/users/KeithTt/followers","following_url":"https://api.github.com/users/KeithTt/following{/other_user}","gists_url":"https://api.github.com/users/KeithTt/gists{/gist_id}","starred_url":"https://api.github.com/users/KeithTt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KeithTt/subscriptions","organizations_url":"https://api.github.com/users/KeithTt/orgs","repos_url":"https://api.github.com/users/KeithTt/repos","events_url":"https://api.github.com/users/KeithTt/events{/privacy}","received_events_url":"https://api.github.com/users/KeithTt/received_events","type":"User","site_admin":false},"labels":[{"id":586209074,"url":"https://api.github.com/repos/kubernetes/dashboard/labels/cluster-issue","name":"cluster-issue","color":"e11d21","default":false},{"id":540154616,"url":"https://api.github.com/repos/kubernetes/dashboard/labels/missing%20details","name":"missing details","color":"e11d21","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2017-12-19T03:51:40Z","updated_at":"2017-12-20T06:18:54Z","closed_at":"2017-12-19T14:29:00Z","author_association":"NONE","body":"kube version: 1.8.5\r\ndashboard version: 1.8\r\nOS version: debian stretch\r\n\r\nI got many errors about tls except `http: TLS handshake error from 132.1.1.4:23669: EOF`...\r\n\r\n```\r\n# kubectl logs -f kubernetes-dashboard-5d58b8cffc-47559 -n kube-system |grep -v EOF\r\n2017/12/19 03:45:23 Starting overwatch\r\n2017/12/19 03:45:23 Using in-cluster config to connect to apiserver\r\n2017/12/19 03:45:23 Using service account token for csrf signing\r\n2017/12/19 03:45:23 No request provided. Skipping authorization\r\n2017/12/19 03:45:23 Successful initial request to the apiserver, version: v1.8.5\r\n2017/12/19 03:45:23 New synchronizer has been registered: kubernetes-dashboard-key-holder-kube-system. Starting\r\n2017/12/19 03:45:23 Starting secret synchronizer for kubernetes-dashboard-key-holder in namespace kube-system\r\n2017/12/19 03:45:23 Initializing secret synchronizer synchronously using secret kubernetes-dashboard-key-holder from namespace kube-system\r\n2017/12/19 03:45:23 Initializing JWE encryption key from synchronized object\r\n2017/12/19 03:45:23 Creating in-cluster Heapster client\r\n2017/12/19 03:45:23 Successful request to heapster\r\n2017/12/19 03:45:23 Auto-generating certificates\r\n2017/12/19 03:45:23 Successfuly created and stored certificates\r\n2017/12/19 03:45:23 Serving securely on HTTPS port: 8443\r\n2017/12/19 03:46:08 Getting application global configuration\r\n2017/12/19 03:46:08 Application configuration {\"serverTime\":1513655168193}\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Incoming HTTP/1.1 GET /api/v1/settings/global request from 132.1.1.4:39896: {}\r\n2017/12/19 03:46:10 Cannot find settings config map: Get https://10.96.0.1:443/api/v1/namespaces/kube-system/configmaps/kubernetes-dashboard-settings: read tcp 30.0.0.5:59440->10.96.0.1:443: read: connection reset by peer\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Incoming HTTP/1.1 GET /api/v1/login/status request from 132.1.1.4:39903: {}\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Outcoming response to 132.1.1.4:39903 with 200 status code\r\n2017/12/19 03:46:10 Cannot restore settings config map: configmaps \"kubernetes-dashboard-settings\" already exists\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Outcoming response to 132.1.1.4:39896 with 200 status code\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Incoming HTTP/1.1 GET /api/v1/systembanner request from 132.1.1.4:39915: {}\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Outcoming response to 132.1.1.4:39915 with 200 status code\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Incoming HTTP/1.1 GET /api/v1/login/status request from 132.1.1.4:39935: {}\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Outcoming response to 132.1.1.4:39935 with 200 status code\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Incoming HTTP/1.1 GET /api/v1/rbac/status request from 132.1.1.4:39950: {}\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Outcoming response to 132.1.1.4:39950 with 200 status code\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Incoming HTTP/1.1 GET /api/v1/overview?filterBy=&itemsPerPage=10&name=&page=1&sortBy=d,creationTimestamp request from 132.1.1.4:39988: {}\r\n2017/12/19 03:46:10 Getting config category\r\n2017/12/19 03:46:10 Getting discovery and load balancing category\r\n2017/12/19 03:46:10 Getting lists of all workloads\r\n2017/12/19 03:46:10 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:10 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:10 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:10 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:10 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:10 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:10 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:10 Getting pod metrics\r\n2017/12/19 03:46:10 [2017-12-19T03:46:10Z] Outcoming response to 132.1.1.4:39988 with 200 status code\r\n2017/12/19 03:46:14 [2017-12-19T03:46:14Z] Incoming HTTP/1.1 GET /api/v1/login/status request from 132.1.1.4:41452: {}\r\n2017/12/19 03:46:14 [2017-12-19T03:46:14Z] Outcoming response to 132.1.1.4:41452 with 200 status code\r\n2017/12/19 03:46:14 [2017-12-19T03:46:14Z] Incoming HTTP/1.1 GET /api/v1/storageclass?filterBy=&itemsPerPage=10&name=&namespace=&page=1&sortBy=d,creationTimestamp request from 132.1.1.4:41464: {}\r\n2017/12/19 03:46:14 Getting list of storage classes in the cluster\r\n2017/12/19 03:46:14 Get https://10.96.0.1:443/apis/storage.k8s.io/v1/storageclasses: read tcp 30.0.0.5:59544->10.96.0.1:443: read: connection reset by peer\r\n2017/12/19 03:46:14 [2017-12-19T03:46:14Z] Outcoming response to 132.1.1.4:41464 with 500 status code\r\n2017/12/19 03:46:18 [2017-12-19T03:46:18Z] Incoming HTTP/1.1 GET /api/v1/login/status request from 132.1.1.4:42846: {}\r\n2017/12/19 03:46:18 [2017-12-19T03:46:18Z] Outcoming response to 132.1.1.4:42846 with 200 status code\r\n2017/12/19 03:46:18 [2017-12-19T03:46:18Z] Incoming HTTP/1.1 GET /api/v1/overview?filterBy=&itemsPerPage=10&name=&page=1&sortBy=d,creationTimestamp request from 132.1.1.4:42854: {}\r\n2017/12/19 03:46:18 Getting config category\r\n2017/12/19 03:46:19 Getting discovery and load balancing category\r\n2017/12/19 03:46:19 Getting lists of all workloads\r\n2017/12/19 03:46:19 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:19 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:19 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:19 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:19 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:19 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:19 No metric client provided. Skipping metrics.\r\n2017/12/19 03:46:19 Getting pod metrics\r\n2017/12/19 03:46:19 [2017-12-19T03:46:19Z] Outcoming response to 132.1.1.4:42854 with 200 status code\r\n2017/12/19 03:46:24 Metric client health check failed: Get https://10.96.0.1:443/api/v1/proxy/namespaces/kube-system/services/heapster/healthz: read tcp 30.0.0.5:59576->10.96.0.1:443: read: connection reset by peer. Retrying in 30 seconds.\r\n2017/12/19 03:46:54 Successful request to heapster\r\n2017/12/19 03:49:24 Metric client health check failed: Get https://10.96.0.1:443/api/v1/proxy/namespaces/kube-system/services/heapster/healthz: read tcp 30.0.0.5:59678->10.96.0.1:443: read: connection reset by peer. Retrying in 30 seconds.\r\n```\r\n\r\nSome pages(not all) responce 500 error...\r\n![image](https://user-images.githubusercontent.com/15189954/34140023-ed542fea-e4b2-11e7-834e-c58647cda78a.png)\r\n\r\nAnd there are many error about a Synchronizer:\r\n\r\n```\r\n2017/12/19 04:00:25 Restarting synchronizer: kubernetes-dashboard-key-holder-kube-system.\r\n2017/12/19 04:00:25 Starting secret synchronizer for kubernetes-dashboard-key-holder in namespace kube-system\r\n2017/12/19 04:00:25 Synchronizer kubernetes-dashboard-key-holder-kube-system exited with error: kubernetes-dashboard-key-holder-kube-system watch ended with timeout\r\n2017/12/19 04:00:25 Restarting synchronizer: kubernetes-dashboard-key-holder-kube-system.\r\n2017/12/19 04:00:25 Starting secret synchronizer for kubernetes-dashboard-key-holder in namespace kube-system\r\n2017/12/19 04:00:25 Synchronizer kubernetes-dashboard-key-holder-kube-system exited with error: kubernetes-dashboard-key-holder-kube-system watch ended with timeout\r\n2017/12/19 04:00:25 Restarting synchronizer: kubernetes-dashboard-key-holder-kube-system.\r\n2017/12/19 04:00:25 Starting secret synchronizer for kubernetes-dashboard-key-holder in namespace kube-system\r\n2017/12/19 04:00:25 Synchronizer kubernetes-dashboard-key-holder-kube-system exited with error: kubernetes-dashboard-key-holder-kube-system watch ended with timeout\r\n2017/12/19 04:00:25 Restarting synchronizer: kubernetes-dashboard-key-holder-kube-system.\r\n2017/12/19 04:00:25 Starting secret synchronizer for kubernetes-dashboard-key-holder in namespace kube-system\r\n2017/12/19 04:00:25 Synchronizer kubernetes-dashboard-key-holder-kube-system exited with error: kubernetes-dashboard-key-holder-kube-system watch ended with timeout\r\n2017/12/19 04:00:25 Restarting synchronizer: kubernetes-dashboard-key-holder-kube-system.\r\n2017/12/19 04:00:25 Starting secret synchronizer for kubernetes-dashboard-key-holder in namespace kube-system\r\n2017/12/19 04:00:25 Synchronizer kubernetes-dashboard-key-holder-kube-system exited with error: kubernetes-dashboard-key-holder-kube-system watch ended with timeout\r\n2017/12/19 04:00:25 Restarting synchronizer: kubernetes-dashboard-key-holder-kube-system.\r\n```"},"comment":{"url":"https://api.github.com/repos/kubernetes/dashboard/issues/comments/352975495","html_url":"https://github.com/kubernetes/dashboard/issues/2689#issuecomment-352975495","issue_url":"https://api.github.com/repos/kubernetes/dashboard/issues/2689","id":352975495,"user":{"login":"KeithTt","id":15189954,"avatar_url":"https://avatars0.githubusercontent.com/u/15189954?v=4","gravatar_id":"","url":"https://api.github.com/users/KeithTt","html_url":"https://github.com/KeithTt","followers_url":"https://api.github.com/users/KeithTt/followers","following_url":"https://api.github.com/users/KeithTt/following{/other_user}","gists_url":"https://api.github.com/users/KeithTt/gists{/gist_id}","starred_url":"https://api.github.com/users/KeithTt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KeithTt/subscriptions","organizations_url":"https://api.github.com/users/KeithTt/orgs","repos_url":"https://api.github.com/users/KeithTt/repos","events_url":"https://api.github.com/users/KeithTt/events{/privacy}","received_events_url":"https://api.github.com/users/KeithTt/received_events","type":"User","site_admin":false},"created_at":"2017-12-20T06:18:54Z","updated_at":"2017-12-20T06:18:54Z","author_association":"NONE","body":"@floreks It seems a network issue, I was looking for the problem, thanks."}}
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