production-controller: Thanks for the feedback. For more examples see theMarkdown Cheatsheet. PRIMARY does not show new replicasets, only the primary mongo. Although, for postgresql, the pg_isready utility can be used in the same way to keep a kubectl port-forward to a postgresql service from timing out. > Stopping jujud-machine-{1,2}, "apt remove juju-mongodb3.2" and restarting jujud-machine-{1,2} makes juju-mongodb3.2 being reinstalled. suggest an improvement. Today when I tried accessing juju environment I am seeing "ERROR lost connection to pod", $ juju config kubeflow "self" : true # wait for presence to break from bug #1703526 Find centralized, trusted content and collaborate around the technologies you use most. New! not directly subscribed to this bug's notifications. report a problem https://paste.ubuntu.com/24981939/, juju controller-log from the same time: We'll make an announcement once this issue has been resolved, so keep an eye on our blog for updates. Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[17967]: [signalProcessingThread] now exiting So if Presence is broken, can the machine go into "status.Started". BTW, this is the same environment reported by Paolo. > reach the primary server. 2017-07-04 06:45:30 TRACE juju.worker.dependency engine.go:442 failed to start "state" manifold worker: cannot connect to mongodb: no reachable servers [Self managed]Can't access Operate after port forwarding >. "2": Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[20333]: [initandlisten] OpenSSL version: OpenSSL 1.0.2g 1 Mar 2016 agent-stream default released Does anyone with w(write) permission also have the r(read) permission? 2017-06-29 09:39:21 ERROR juju.worker.dependency engine.go:546 "api-caller" manifold worker returned unexpected error: cannot open api: cannot log in: context deadline exceeded. current-model: admin/controller }, Are arguments that Reason is circular themselves circular and/or self refuting? I solved this by keeping the connection alive, e.g. Try something like this: mongopass=`sudo grep statepassword /var/lib/juju/agents/machine-1/agent.conf | cut -d' ' -f2`, mongo 127.0.0.1:37017/juju --authenticationDatabase admin --ssl --sslAllowInvalidCertificates --username "machine-1" --password "$mongopass". populate the Container's status message on both success and failure. Jun 29 09:39:15 juju-controller01 mongod.37017[1237]: [ReplicationExecutor] transition to RECOVERING Connect and share knowledge within a single location that is structured and easy to search. > Why do I keep getting error "5 pod has unbound immediate PersistentVolumeClaims"? Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[20333]: [initandlisten] modules: none For instance, the streamingConnectionIdleTimeout setting in Kubelet by default is 4h: But if in HAProxy (or your preferred LB) you have these settings: Trying to execute a port-forwarding will timeout if you don't have any activity over the app: In order to fix this, a solution would be to increase the timeout (be careful with this, because depending on your cluster it can have undesirable effects) or bypass the LB when doing port-forwarding connecting directly to the API server (if your environment allows it). Then I found that it would prompt lost connection to pod every 1 minute or so. You're also passing the username where the database name goes (but that's probably not the problem). https://paste.ubuntu.com/24982031/, output from all juju agents with "connection reset by peer" grep: I then ran "juju enable-ha -n3", and it actually demoted machine 0 because it was seen as dead, and promoted 3 new machines (1,2,3). Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[20333]: [initandlisten] MongoDB starting : pid=20333 port=37017 dbpath=/var/lib/juju/db 64-bit host=sitename-mgm231juju2-hr uuid: def665b3-ad2d-459a-8db4-0f471d8f6172 @smile Indeed, this approach may not work for every service. https://paste.ubuntu.com/24982141/. > You received this bug notification because you are subscribed to juju. > To manage notifications about this bug go to: > 0) Controllers are Xenial running Juju 2.2.1.1 and Mongo 3.2 mongo --ssl -u admin -p $(grep oldpassword /var/lib/juju/agents/machine-1/agent.conf | awk -e '{print $2}') localhost:37017/admin. I bootstrapped lxd, and broke the ping batcher. @Marcel, @Dolphin the port-forward command times out if it isn't used. rancher/rancher: v2.0.4 Thanks for contributing an answer to Stack Overflow! "state" : 1, Sign up for a free GitHub account to open an issue and contact its maintainers and the community. logging-config model juju=INFO;unit=WARN;juju.worker.dependency=TRACE Putting the port-forward command in a loop will break long poll connections which is the main reason I have an issue with port-forward timing out in the first place. Connecting with mongo cli it seems that the password is wrong I'm still using "oldpassword" to connect is that right ? Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[17967]: [signalProcessingThread] shutdown: going to close listening sockets PRIMARY mongo does not show replicasets, but jujud-machine-{1,2} are started and mongo installed (although no machine-{1,2} users are created in juju-db). messages are retrieved only from the termination message file. apt-ftp-proxy default "" ravindrakmr commented on Mar 6, 2021 DevSpace Version: 5.8.2 Operating System: on Local windows, on AKS it is Linux Deployment method: helm Spring boot version : 2.4.2 Java version : 11 Cloud Provider: azure Kubernetes Version: (strange there isn't more discussion), Sorry @AndrewSneck, have no experience with win console. kubectl port forwarding timeout issue - Stack Overflow why the kubectl forwad connection could not keep for long time, kubernetes, prompt freezes at port forward command, kubectl timeout inside kube-addon-manager, Kubernetes Port Forwarding - Connection refused, Kubectl Unable to connect to the server with i/o timeout error, kubectl port-forward is not working/too slow, Kubernetes error when forwarding a port - Connection refused. - passer-by Jan 4, 2022 at 18:26 ya but why it failed ! send a video file once and multiple users stream it? 2017-07-04 06:44:59 INFO juju.state open.go:129 opening state, mongo addresses: ["localhost:37017"]; entity machine-1 logforward-enabled default false specified in the terminationMessagePath field of a Container, which has a default ### Mongo process firewall-mode default instance /tmp/my-log for Kubernetes to retrieve: Moreover, users can set the terminationMessagePolicy field of a Container for I experience the same behaviour when using port-forwarding kiali. 2017-06-29 09:39:32 ERROR juju.worker.dependency engine.go:546 "ssh-authkeys-updater" manifold worker returned unexpected error: codec.ReadHeader error: error receiving message: read tcp 10.20.37.52:39874->10.20.30.67:17070: read: connection reset by peer By doing so, you can discover which of the containers is failing: Kubernetes retrieves termination messages from the termination message file connecting to: localhost:37017/machine-1 > 3.1) syslog shows: "health" : 1, By customizing this field, you can tell Kubernetes juju controller bootstrap failure on MAAS node added on ESXi VM? model: name: documentation-demo controller: jaas cloud: aws region: eu-west-1 version: 2.1.2. When attempting to create a session via the dashboard using Firefox the error is "Anbox stream failed Error: failed to establish a WebRTC connection via ICE". default-series default xenial Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[17967]: [signalProcessingThread] WiredTigerKVEngine shutting down Then I checked this value, it is 4h0m0s. Am I betraying my professors if I leave a research group because of change of interest? In the meantime, you can keep the connection alive by using netcat (nc) in a while loop instead. 2) I also stopped jujud-machine-2 and its juju-db (same as step 1)) - I also backed up /var/lib/juju/db privacy statement. lost connection) I am able to conduct the transfer by injecting . 1) "JUJU_MODEL=controller juju status --format yaml": http://pastebin.ubuntu.com/25031101/ api-endpoints: ['10.20.30.69:17070', '10.20.30.67:17070', '10.20.30.68:17070'] Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[17967]: [signalProcessingThread] removing socket file: /tmp/mongodb-37017.sock So you see errors when we get disconnected, but you *don't* see any messages pertaining to reconnecting, because those are at best INFO level. The problem: As far as troubleshooting goes, and in case you find yourself where microstack status reporting various services is in waiting state i.e.:. See Architecture for more information. On Thu, Jul 6, 2017 at 1:56 PM, Alvaro Ura > Matching subscriptions: juju bugs enable-os-upgrade default true cloud: maas Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[20333]: [initandlisten] db version v3.2.12 3) Would you publish a deeply personal essay about mental illness during PhD? Does each bitcoin node do Continuous Integration? details: This worked! You signed in with another tab or window. --streaming-connection-idle-timeout=0 to make it unlimited. > """ By default log level is WARNING. ], Install Kubernetes | Ubuntu uuid: 80bea1dd-4401-4cf6-8bb5-d0769b1d8d80 ha-status: ha-pending development default false Accessing Kubernetes Dashboard from outside the cluster > https://bugs.launchpad.net/juju/+bug/1701275/+subscriptions /usr/lib/juju/mongo*/bin/mongo 127.0.0.1:37017/juju --authenticationDatabase admin --ssl --sslAllowInvalidCertificates --username "$user" --password "$password" tracker, err := newMachineTracker(stm, w.machineChanges) (bug #1703526). I found another situation. $ juju scp 0:hello.txt 1:hello-txt ERROR exit status 1 (Host key verification failed. With regard to the same environment reported by Paolo on previous comments, we can't log in on "secondary-to-be" mongo services. During kubeadm init, kubeadm uploads the ClusterConfiguration object to your cluster in a ConfigMap called kubeadm-config in the kube-system namespace. "myState" : 1, Paolo: Are you able to connect to MongoDB using the mongo shell? New! $ juju remove-application kubeflow sudo snap install microk8s --classic --channel=candidate, Here are the addons enabled: dashboard: enabled dns: enabled ingress: enabled istio: enabled kubeflow: enabled metallb: enabled prometheus: enabled storage: enabled > -- bug #1703526 is because one of the workers on the controller side could get restarted, and then we would stop tracking agent presence correctly. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, New! What is the least number of concerts needed to be scheduled in order that each musician may listen, as part of the audience, to every other musician? Single Predicate Check Constraint Gives Constant Scan but Two Predicate Constraint does not. agent-version model 2.2.1.1 bootstrap-timeout: 1800 (or value greater than 600 which suits your system). Jun 29 22:33:43 controller-2 mongod.37017[5026]: [ReplicationExecutor] transition to SECONDARY Stack Overflow. ha-status: ha-enabled enable-os-refresh-update default true // Don't add the machine unless it is "Started" > It looks like mongo replicas are not able to properly bootstrap and XXX: After the deployment is done and works successfully, after 1 day nearly all agents lost the connection to the controller. This is true even if the connection is not idle. agent-version: 2.2.1 Thank you for your solution which helped me a lot. How common is it for US universities to ask a postdoc to bring their own laptop computer etc.? One is that the agent has an invalid password, but I'm pretty sure that that would give a different error message. For What Kinds Of Problems is Quantile Regression Useful? uuid: 2a0acada-13a9-43e4-8e34-9a6b24f58b16 > /var/lib/juju/agents/machine-1/agent.conf | awk -e '{print $2}') Now when we try to run juju bootstrap, it says Attempting to connect to 10.10.10.104 and fails after 10min with the connection refused error. Not the answer you're looking for? > -Alvaro. Would fixed-wing aircraft still exist if helicopters had been invented (and flown) before them? 2017-06-29 09:39:32 ERROR juju.worker.dependency engine.go:546 "migration-inactive-flag" manifold worker returned unexpected error: codec.ReadHeader error: error receiving message: read tcp 10.20.37.52:39874->10.20.30.67:17070: read: connection reset by peer We've extended the timeout limit to 1 hour. rev2023.7.27.43548. Jun 29 22:33:18 controller-2 mongod.37017[5026]: [ReplicationExecutor] transition to STARTUP2 k8s reports no restarts of the tiller pod. core-count: 6 juju - api: dial tcp 127.0.0.1:17070: connection refuse - Ask Ubuntu Are self-signed SSL certificates still allowed in 2023 for an intranet server running IIS? the first fail service installation created pvc file. port 37017 before running 'enable-ha' so that the other mongo daemons 'rs.Status()' also reports 1,2,3 as being in the set. > Kind regards, To do this, edit the service (kubectl edit svc -n kubernetes-dashboard kubernetes-dashboard) and change "ClusterIP" to "NodePort". "1": Connected to 10.20.30.67. MongoDB shell version: 2.6.10 I could see that "juju status" reported all agents as lost. What is Mathematica's equivalent to Maple's collect with distributed option? Tiller was installed by gitab, "Ghost" kubernetes pod stuck in terminating. knative-operator Active 19h Any help is appreicated! com/24981508/ init@maas:~$ juju show-controller XXX: details: uuid: c8910be4- terminationMessagePolicy to "FallbackToLogsOnError", you can tell Kubernetes Rancher Server is a START1-S with 2 Cores and 2GB RAM. "1": 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, juju bootstrap fails with connection timed out errors, juju bootstrap using maas unable to ssh into nodes. ## juju status finally showed the machine as "started" ubuntu@n103:~$ juju status -m controller Model Controller Cloud/Region Version SLA Timestamp Notes controller juju-controller maas.yfish.x/default 2.9.17 unsupported 20:51:15+08:00 upgrade available: 2.9.18 Machine State DNS Inst id Series AZ Message 5 started 172.22.99.28 juju1 focal . to your account, Rancher versions: Note: The output of the . It contains no errors or exceptions. I have used the following to get access to mongo on any API server: ``` 1 Answer Sorted by: 2 Looks like the juju cli is trying to bootstrap a machine with the default constraint of 3.5GB of memory. Jun 29 09:39:15 juju-controller01 mongod.37017[1237]: [ReplicationExecutor] Member 10.20.30.69:37017 is now in state PRIMARY. "0": the "Sleep expired" message, it terminates. Here is the command used to portforward: kubectl --namespace somenamespace port-forward somepodname 50051:50051 Error message: Forwarding from 127.0.0.1:50051 -> 50051 Forwarding from [::1]:50051 -> 50051 E1125 17:18:55.723715 9940 portforward.go:178] lost connection to pod Was hoping to be able to keep the connection up kubernetes kubectl Share So I use kubectl port-forward --namespace staging svc/xxxx 1234:1234 Then I found that it would prompt lost connection to pod every 1 minute or so. Jun 29 09:39:15, For the next item around "ha-pending", I think we should track that as a different bug, as this bug has since grown a bit too hairy to really tell which thing is which. "heartbeatIntervalMillis" : NumberLong(2000), They should want to create a local mongo replica and make it sync Basically jujud is not able to connect to mongo on localhost, but mongo process is running and netstat says that the port is open. 2017-06-29 09:39:32 ERROR juju.worker.dependency engine.go:546 "upgrader" manifold worker returned unexpected error: codec.ReadHeader error: error receiving message: read tcp 10.20.37.52:39874->10.20.30.67:17070: read: connection reset by peer apt-http-proxy default "" no-proxy default 127.0.0.1,localhost,::1 "_id" : 1, ha-status: ha-pending As of MicroK8s 1.19, clustering of three or more nodes will automatically enable high availability. lost connection to pod" error when being idle for a short time Version-Release number of selected component (if applicable): openshift/oc v1..6-958-gaf948e1 kubernetes v1.2.-alpha.1-1107-g4c8e6f4 How reproducible: Always Steps to Reproduce: 1. rev2023.7.27.43548. Are arguments that Reason is circular themselves circular and/or self refuting? This is the only open github issue as of 13 Feb 2018. > or you can use one of these Kubernetes playgrounds: In this exercise, you create a Pod that runs one container. > [2.2.1] juju-agent loses connection to controller and doesn't retry to To see all available qualifiers, see our documentation. However, I accidentally discovered that performance improves drastically when there is an unrelated upload running in the background such as a torrent, for example. Why is an arrow pointing through a glass of water only flipped vertically but not horizontally? account: It only takes a minute to sign up. automatically-retry-hooks default true cloud: XXX I think you need to provide the "--authenticationDatabase" arg. If you receive this error, it indicates that there was an error due to which the resource could not be provisioned successfully. This affects my development process, because I always encounter errors like EOF. The solution may not be feasible for some services. This error indicates that a pod failed to start, Kubernetes tried to restart it, and it continued to fail repeatedly. Install and Configure MicroStack Sunbeam (Single node) PRIMARY shows replicasets created, but in STARTUP state (no SECONDARY). > You received this bug notification because you are subscribed to juju. controller-microk8s-localhost Active 20h > [2.2.1] juju-agent loses connection to controller and doesn't retry to You've run your Pods through a Deployment (or other workload controller) and created a Service, but you get no response when you try to access it. oc is the command line for open shift (kubernetes variant), same command would work with kubectl. > -----BEGIN CERTIFICATE----- kubectl port-forward fails with "lost connection to pod" #14391 - GitHub Effect of temperature on Forcefield parameters in classical molecular dynamics simulations. Open an issue in the GitHub repo if you want to > This document will hopefully help you to figure out what's going wrong. uuid: b3b6050e-7cde-45e4-8b3a-96c58ebfe938 2017-07-03 10:04:22 ERROR juju.worker.dependency engine.go:546 "state" manifold worker returned unexpected error: cannot connect to mongodb: no reachable servers be configured to communicate with your cluster. juju-mongodb3.2 is installed and started, but no machine-{1,2} user exists. exception: login failed. Termination messages provide a way for containers to write information about fatal events to a location where it can be easily retrieved and surfaced by tools like dashboards and monitoring software. > Matching subscriptions: juju bugs In most cases, information that you "electionTime" : Timestamp(1498208312, 2), 2017-07-04 06:45:33 TRACE juju.worker.dependency context.go:43 "state" manifold requested "agent" resource I installed my service through Helm. Jun 29 09:39:15 juju-controller01 mongod.37017[1237]: [ReplicationExecutor] This node is 10.20.30.67:37017 in the config agents. edited Jan 4, 2022 at 18:43 asked Jan 4, 2022 at 18:12 Deepak Singhal 10.6k 11 59 98 Your port forwarding setup failed. [2.2.1] juju-agent loses connection to controller and doesn't retry to connect, > Connecting with mongo cli it seems that the password is wrong I'm still, > With regard to the same environment reported by Paolo on previous, Algebraically why must a single square root be done on all terms rather than individually? } Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. And it appears like the agent isn't trying to reconnect (which is true) but is because it is already happily connected. The YAML input format is identical to the format Juju uses to store credentials on a user's filesystem. On Minikube; After port forwarding curl is giving empty response After the deployment is done and works successfully, after 1 day nearly all agents lost the connection to the controller. ca-cert: | But as far as I know latest windows has unix cli built-in you should try it out, +1 that was the better solution for me: forwarding to kubernetes dashboard from a jumper host, where no kubelet is running, @AndrewSneck powershell: while ($true) { kubectl port-forward your-command-here }. 3.1) syslog shows: controller - JUJU bootstrap error failed to bootstrap model: cannot models: Just solved my problem perfectly, and let me learn knowledge. other machines. I'm pretty sure the initial issue is actually just bug #1703526, Looking at the original paste, I think the issue is that we have: no kvm containers possible 2017-07-04 06:45:33 TRACE juju.worker.dependency context.go:43 "state" manifold requested "state-config-watcher" resource 2017-06-29 09:39:32 ERROR juju.worker runner.go:381 fatal "9-container-watcher": worker "9-container-watcher" exited: codec.ReadHeader error: error receiving message: read tcp 10.20.37.52:39874->10.20.30.67:17070: read: connection reset by peer kubectl port-forward fails with "lost connection to pod", https://stackoverflow.com/questions/47484312/kubectl-port-forwarding-timeout-issue. using curl or nc. The container. return false, errors.Trace(err) The other is that a proxy setting is getting in the way. ignore-machine-addresses default false Hope this helps! All of these github issues have descriptions or comments mentioning "lost connection to pod" or "transport is closing" errors (usually both): While it can be educational to read through hundreds of github issue comments, usually it's faster to cut to the chase on stackoverflow, and it didn't seem like this question existed yet, so here it is. Prod: juju bootstrap prod-cloud --constraints tags=juju Time is not fixed. Jul 4 06:51:18 sitename-mgm231juju2-hr mongod.37017[17967]: [signalProcessingThread] Shutting down full-time diagnostic data capture
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