Summary A production Java service using the openai-java SDK experienced intermittent timeout errors and elevated latency when calling OpenAI APIs under load. The root cause was an unconfigured OkHttp connection pool, specifically the maxRequestsPerHost limit. The default OkHttp client settings (5 requests per host) bottlenecked concurrent API calls, causing requests to queue and eventually time … Read more
Summary The AADSTS500133 error occurs when the access token is not within its valid time range, causing issues with On-Behalf-Of (OBO) authentication in Azure WebApp. This error is encountered when using the Python SDK and Streamlit UI to connect to Fabric Data Agent. Root Cause The root cause of this issue is: Expired access token: … Read more
Summary During a cross-compile of compiler-rt for RISC-V, assembly files failed due to missing -march=rv64gc in compiler flags. The CMake configuration explicitly set CMAKE_C_FLAGS and CMAKE_CXX Desarrollo_FLAGS but didn’t propagate to .S assembly files, causing FPU instruction failures. Root Cause CMake’s language-specific flag handling: CMAKE_C_FLAGS/CMAKE_CXX_FLAGS apply to C/C++ sources only, not assembly (.S files). Assembly … Read more
Summary The issue at hand is understanding why a containerPort can be accessed using curl from a Node in a Kubernetes cluster via the Pod’s Cluster IP, even when the container is only listening on localhost. This seems to contradict the expected behavior of localhost listening, which should only be accessible within the same Network … Read more
## Summary A critical issue caused sporadic failures in displaying video streams of partners using the LiveKit SwiftUI SDK across iOS and visionOS platforms. **The root cause was premature signaling of “connected” status before confirming local video track publication completion**, causing peers to misinterpret connection readiness. — ## Root Cause The failure stemmed from **race … Read more
Summary The error encountered is an ImportError when trying to import SequentialFeatureSelector from mlxtend.feature_selection in a Jupyter Notebook. This issue arises due to a problem in the import chain that involves sklearn and its dependencies. Root Cause The root cause of this issue is related to the import chain in sklearn and its interaction with … Read more
Summary The PoissonRegression.predict() function in scikit-learn returns the predicted value of the target variable, which is the expected count of events occurring in a fixed interval of time or space. This value is based on the Poisson distribution, a discrete probability distribution that models the number of events occurring in a fixed interval. Root Cause … Read more
Summary An instanceof Uuid check always returned false despite explicit type annotation (const warehouse_id: Uuid). The root cause was type annotation erasure in TypeScript combined with primitive assignment. Runtime values weren’t instances of the Uuid class since warehouse.id was a primitive (likely a string). Root Cause TypeScript types are purely compile-time constructs. The Uuid type … Read more
Postmortem: UI Freeze Due to Custom Spinner Implementation in Swing Summary After implementing a custom animated spinner widget for a Swing-based application, users reported full UI freezes during operations exceeding 2 seconds. Tracing the issue revealed a critical threading error in the spinner animation logic. Root Cause The UI froze because the spinner implementation violated … Read more
Summary The primary difference between add_action and add_filter in WordPress lies in their purpose and functionality. add_action is used to execute a function at a specific point in WordPress, allowing developers to perform actions or inject custom code. On the other hand, add_filter is utilized to modify or filter data, enabling developers to alter the … Read more