prometheus server returned http status 404 not found

I have published this previously to the online service, but had to make some changes, and haven't been able to upload it since. Details: [(([Table with name 'cr689_xboxproductid2s' does not exist], The remote server returned an error: (404) Not Found. 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 ; chunkCount: The number of chunks. Looking at the documentation, Prometheus seems to support basic (user/password) and OAuth bearer token authentication only. It all looked good, no errors, all the pods and services were running. @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? "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: To see if it’s worked, try to access an unavailable webpage and hopefully the error 404 message should appear in the browser. 2016/10/02 13:03:00.4511484 1628 25716 WebServices WS error: The requested resource was not found. 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 [ds:prometheus] [severe] [EEC_CONNECTION_ERROR] (http: //localhost:9090/api/v1/query/): Server returned response code 404 from [status code=30] I guess it's more an issue with 'net.http' than it is with Prometheus specifically. System information: Linux 3.16.0-4-amd64 x86_64. 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. TSDB Stats. Its an import model using an excel workbook as the data source. Object[] methodParameters)\r\n at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext … Prometheus is throwing a "server returned HTTP status 500 Internal Server Error". If the response-* parameter is used in a request, anonymous access will not be supported and the request must carry a signature. This is happening on one or more nodes when attempting to access monitoring targets or endpoints that should normally be accessible. 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. Resolution 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. @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. 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. numSeries: The number of series. 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. 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 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: . 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". And, as you say 'It's generally best to have as little infrastructure between Prometheus and your target.' 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. 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. The server returned HTTP status code '404 (0x194)' with text 'Not Found'. 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 avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->