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JVM Diagnostics Skill: Turning AI Into Your JVM Performance Expert

Mar 5, 2026
AI Dev Tools Java Performance
ai-skills diagnostics gc java jfr opencode performance
The jvm-diagnostics skill turns AI coding assistants into JVM performance specialists. It parses heap dumps, GC logs, thread dumps, JFR recordings, and crash logs, using JDK tools when available or zero-dependency Python fallback parsers, and produces a structured report with severity-rated findings and actionable fixes. It works with any assistant that supports the Agent Skills open standard, including OpenCode and Claude Code.
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Mapping HTTP status codes to gRPC status codes

Dec 7, 2025
APIs & Web Services Backend Development
Error Handling gRPC HTTP java
This guide provides a comprehensive mapping between HTTP status codes and gRPC status codes to help developers maintain consistent error handling when services transition between protocols. It includes practical Java code examples and principles for choosing the right gRPC status code based on intent, retry semantics, and authentication context rather than just numeric similarity.
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JobRunr: The Job Scheduler Developers Actually Want To Use

Oct 19, 2025
Automation Java Scheduler
async distributed-systems java jobrunr job-scheduling
JobRunr makes background job processing in Java stupidly simple—just use lambdas instead of XML configs, and get automatic distribution, retries, and monitoring for free. But watch out for the production gotchas: the free version dies during database outages, refactoring method signatures breaks queued jobs, and recurring jobs can mysteriously skip executions under load.
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