Solution For more information, see Connect to Exchange Online using Remote PowerShell.Then, do the following: Determine the value of the ExchangeGUID property of the mail-enabled user in Exchange Online. Looking at journalctl on one of the failing nodes, we can see errors related to metrics collection: I guess it's more an issue with 'net.http' than it is with Prometheus specifically. Connect to Exchange Online by using remote PowerShell. 404 error was caused by an incorrect URL pointing to the wrong instance of server and hence Corticon could not find the decision service in the URL specified. System information: Linux 3.16.0-4-amd64 x86_64. numSeries: The number of series. The error page will be generated with this code. The server returned HTTP status code '404 (0x194)' with text 'Not Found'. It all looked good, no errors, all the pods and services were running. This change was applied in Kubernetes 1.18. Result: FAILURE; Tests: 3 failed / 34 succeeded ; Started: 2022-06-02 14:13; Elapsed: 40m24s Revision: Builder: 21db386e-e27e-11ec-8305-c2d378a37c74 control_plane_node_os_image [ds:prometheus] [severe] [EEC_CONNECTION_ERROR] (http: //localhost:9090/api/v1/query/): Server returned response code 404 from [status code=30] To enable message logging, you must add a trace listener to the System.ServiceModel.MessageLogging trace source and set attributes for the element in the configuration file. Looking at the documentation, Prometheus seems to support basic (user/password) and OAuth bearer token authentication only. @rossigee the Host header is set in the net.http library when building the HTTP request. Fixing it in Prometheus is possible in theory but this would add extra code to deal with systems that don't comply with the standards in the first place. Is there anything forbidding you from removing the port in the configuration of the targets? The 404 or Not Found error message is a response code indicating that the client was able to communicate with a given server, but the server could not find what was requested. When attempting to run the agent you run into server returned HTTP status 404 Not Found: 404 page not found - The Generate config file step may not have been copied successfully. @brian-brazil - Forward proxy considered, but it's an https endpoint, so it seems i'd have to do a bunch of request rewriting for the proxy to know where to forward the request to. Open the .htaccess file (or create one if needed) in the root directory, enter this in ' ErrorDocument 404 /404.html ' and save the change. If your API/IIS doesn't support any of those, then you either need to disable authentication for the /metrics path or maybe set up a proxy that only allows /metrics requests and does the authentication for you. 1. with basic auth added in scrape confihurations, prometheus.yml file looks like Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. To receive exception details in faults for debugging purposes, set the value below to true. ; minTime: The current minimum timestamp in milliseconds. This is happening on one or more nodes when attempting to access monitoring targets or endpoints that should normally be accessible. I have published this previously to the online service, but had to make some changes, and haven't been able to upload it since. Prometheus version: prometheus, version 1.2.1 (branch: master, revision: dd66f2e94b2b662804b9aa1b6a50587b990ba8b7) build user: root@fd9b0daff6bd build date: 20161010-15:58:23 go version: go1.7.1 ; If you have set origin-pull in the COS console but haven’t enabled sync origin-pull, when COS pulls data from the configured origin server, GET Object will return 302 and redirect to the origin server address. I'm currently experiencing an issue where I cannot publish a report to the online service. Using Prometheus to monitor Caché ，when config application /metrics done， Prometheus connection error: “server returned HTTP status 404 Not Found” ⏩ Post By Michael Lei Intersystems Developer Community SAM - System Alerting and Monitoring ️ Caché Note: All documentation from oracle or github provides details for using prometheus for weblogic on kubernetes, but I am not using kubernetes, feeling helpless as no documentation is available. 2016/10/02 13:03:00.4511484 1628 25716 WebServices WS error: The requested resource was not found. TSDB Stats. ; chunkCount: The number of chunks. Many server returned HTTP status 404 Not Found errors are displayed on the Prometheus target page. This issue occurs because the Rest API resource call was changed from /metrics/resource/v1alpha1 to /metrics/resource for the itom-prometheus-kubelet ServiceMonitor. ; maxTime: The current maximum … this is the error - "server returned HTTP status 404 Not Found" for endpoint -http://10.244.2.10:80/metrics When testing this url in k8s curl -v http://10.244.2.10:80//xyz/metric is working from k8s(response status - 200) The following endpoint returns various cardinality statistics about the Prometheus TSDB: GET /api/v1/status/tsdb headStats: This provides the following data about the head block of the TSDB: . After doing that then doing an installation using the their deploy script. Cause This issue occurs because the Rest API resource call was changed from /metrics/resource/v1alpha1 to /metrics/resource for the itom-prometheus-kubelet ServiceMonitor. Prometheus is throwing a "server returned HTTP status 500 Internal Server Error". Its an import model using an excel workbook as the data source. Resolution "Http server returned 404 NotFound exception" when using Server-Side Synchronization Symptoms When you test and enable a mailbox in Dynamics 365 (formerly known as Dynamics CRM Online), you encounter one of the following errors in the Alerts area: There is a bug report for 4.1.0 specifically concerning Prometheus endpoints and 500 errors. There are backports as well as upstream reports available in the bug report. To find the amount of data that your Prometheus server is sending to Amazon Managed Service for Prometheus, you can run the following queries on your Prometheus server. This appears to be a custom client issue rather than one in Prometheus. Sorry, something went wrong. We discovered that this issue is due to our hosting provider. When contacting the exporter, Prometheus put the port into the Host header. Our provider probably has a custom load balancer, that raises error when the Host header has a port. Environment. Load to Common Data Service failed. Kubernetes e2e suite [sig-autoscaling] Cluster size autoscaling [Slow] Shouldn't perform scale up operation and should list unhealthy status if most of the cluster is broken[Feature:ClusterSizeAutoscalingScaleUp] 1h19m Regarding your request for the complete request and response headers of the failed API call, please note we do not have provision in our server to store all API call headers sent or received. If you find that your Prometheus output is exceeding a Amazon Managed Service for Prometheus limit, you can request an increase of the corresponding service quota. If the response-* parameter is used in a request, anonymous access will not be supported and the request must carry a signature. New in v2.14. Details: [(([Table with name 'cr689_xboxproductid2s' does not exist], The remote server returned an error: (404) Not Found. Hi, By default Windows Communication Foundation (WCF) does not log messages. And, as you say 'It's generally best to have as little infrastructure between Prometheus and your target.' Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site Prometheus kubelet metrics server returned HTTP status 403 Forbidden Recently been working a lot with Kubernetes and needed to install some monitoring to better profile the cluster and it’s components. To see if it’s worked, try to access an unavailable webpage and hopefully the error 404 message should appear in the browser. A 404 Error server returned HTTP status 404 Not Found in the targets page. I have setup prometheus, running in my kubernetes cluster , And I configured the certificate of kubernetes in the configuration file of Prometheus, but for some targets I am getting back a "server returned HTTP status 403 Forbidden". Many server returned HTTP status 404 Not Found errors are displayed on the Prometheus target page. Object[] methodParameters)\r\n at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext … Stop the agent from running by pressing Ctrl-C in the terminal window and then repeat the Generate config file step, followed by Run the agent , again. To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->