Why Every JVM In Your Fleet Warms Up Alone
Why you can't just copy a JIT-compiled method from one JVM to another: compiled code is a bet on one specific JVM's state. Identity, …
Java Core
Hello Java 27! Have You Been Working Out?
Java 27 is like that friend that you haven't seen all summer, and when you finally see them again it's clear that they spent a lot of time …
374 viewsFoojay Podcast #101: Java 27 in Practice: Smaller Heaps, Smarter Defaults, and Valhalla on the Horizon
Simon Ritter on JDK 27: compact object headers, G1 everywhere by default, post-quantum TLS, monthly security updates, and Valhalla's first …
One Base URL, Many Coding Agents: What an OpenAI-Compatible Gateway Looks Like From java.net.http
Somewhere in every coding agent there is an HTTP client. Claude Code, Codex, Cursor, Cline, OpenCode: strip away the terminal UI or the …
Masking a JVM thread dump without breaking the analysis
A few weeks ago I posted on r/java about detecting virtual thread pinning from a plain thread dump. The technical discussion was fine. The …
Debugging Is Invariant Discovery: What One Kafka Session Taught Us About AI Agents
Every Java team has a sentence like this one somewhere: Any operation on a TID must go through the single asynchronous path and must not let …
Community Spotlight: BoxLang Express Brings Node-Style HTTP to the JVM
If you've spent years in Spring Boot, Micronaut, or Jakarta EE, "web framework" usually means a servlet container, an embedded Tomcat or …
“Commit created” — but it isn’t: why the agent’s word needs external verification, and what the mistake costs
A detailed report reads like proof. The agent lists the files it touched, names the branch, quotes a commit hash, adds a test count and …
Did Your AI Agent Ever Run a Debugger? One JVM Bug, Two Agent Runs
Java developers reach for the debugger without thinking about it. Set a breakpoint, run the failing test, look at the variables, then decide …
BoxLang 1.16.0 Released!
BoxLang 1.16.0 is here, closing 50 issues across new features, improvements, and bug fixes. The theme running through this release is …