This article introduces multiple Java approaches for sending HTTP GET and POST requests, covering the built‑in HttpURLConnection class, Apache HttpClient, Square's OkHttp, and Spring's RestTemplate, with step‑by‑step explanations and complete code examples for each method.
This article experiments with Spring Boot’s Tomcat connectionTimeout setting using controller delays, HttpURLConnection requests, and raw socket connections, demonstrating that the timeout only applies when a client stays idle after connecting, not to request processing time or client type.
This article demonstrates how to implement HTTP requests in Java using the built-in HttpURLConnection class, covering request creation, adding parameters, setting headers, handling timeouts, cookies, redirects, and reading responses, including error handling, with complete code examples.
The article investigates a Nacos 1.2.0 bug that caused excessive TIME_WAIT connections in Dubbo clients, explains the underlying HttpURLConnection misuse, and reviews TCP three‑way handshake and four‑way termination to illustrate why disconnect() leads to connection buildup.
