tls

Prometheus scrape TLS handshake failure after streaming service cert rotation

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Prometheus scrape TLS handshake failure after streaming service cert rotation Problem Symptoms and impact After a scheduled certificate rotation on the real‑time streaming platform, Prometheus began reporting scrape errors for the affected endpoint: 2026-10-19T08:15:32.123Z level=error msg=”scrape failed” target=”streaming-prod.example.com:443″ err=”Get \”https://streaming-prod.example.com/metrics\”: remote error: tls: handshake failure” 2026-10-19T08:15:32.124Z level=error msg=”scrape failed” target=”streaming-prod.example.com:443″ err=”connection reset by peer” Prometheus … Read more

AMD GPU nodes TLS handshake failure to artifact storage after driver update

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AMD GPU Nodes TLS Handshake Failure to Artifact Storage After Driver Update Problem Description After upgrading the ROCm driver suite to 6.0.3 on a mixed‑GPU Kubernetes cluster (NVIDIA A100/H100 and AMD Instinct MI250), all pods scheduled on AMD GPU nodes began failing to download model artifacts from the central artifact-storage service (Azure Blob, S3, or … Read more

Weaviate service unavailable after TLS certificate expiration

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Problem – Weaviate Service Unavailable After TLS Certificate Expiration In a cloud‑managed Weaviate deployment (e.g., on AWS EKS or GKE) the API endpoint becomes unreachable shortly after the TLS/SSL certificate used by the Ingress controller or the ALB expires. Clients see errors such as: x509: certificate has expired or is not yet valid TLS handshake … Read more

Hugging Face Transformers SSL/TLS handshake failure in Kubernetes

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Hugging Face Transformers SSL/TLS Handshake Failure in a Canary Deployment on Kubernetes Problem Description During a staged rollout of a model‑inference service that uses Hugging Face Transformers, a subset of pods (the canary) repeatedly fail to load pretrained models from https://huggingface.co. The failure manifests as: Log entry from the Transformers library: urllib3.exceptions.SSLError: HTTPSConnectionPool(host=’huggingface.co’, port=443): Max … Read more

Haystack SSL/TLS handshake failure with self-signed certificates

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Problem – Haystack TLS Handshake Fails in a Local Development Sandbox When running a multi‑service Haystack stack with Docker Compose, the inter‑node RPC layer aborts with TLS errors such as: SSLHandshakeException: certificate verify failed (self signed certificate in certificate chain) javax.net.ssl.SSLPeerUnverifiedException: peer not authenticated OpenSSL error: verify error:num=20:unable to get local issuer certificate HaystackNodeError: TLS … Read more