# Articles about Fray

- [Fray Detects Concurrency Issues in JVM Languages](https://www.infoq.com/news/2025/12/fray-detects-concurrency-issues/) by Johan Janssen
- [Fray: A controlled concurrency testing framework for the JVM](https://www.reddit.com/r/java/comments/1ojlqnd/fray_a_controlled_concurrency_testing_framework/) (Reddit post)
- [Deterministic Concurrent Testing Using Fray](https://softwaremill.com/deterministic-concurrent-testing-using-fray/) by Adam Warski
- [Discovering a JDK Race Condition, and Debugging it in 30 Minutes with Fray](https://aoli.al/blogs/jdk-bug/) by Ao Li ([hacker news discussions](https://news.ycombinator.com/item?id=44211779))
- [Evil Scheduler: Mastering Concurrency Through Interactive Debugging](https://aoli.al/blogs/deadlock-empire/) by Ao Li
- [Concurrency bugs in Lucene: How to fix optimistic concurrency failures](https://www.elastic.co/search-labs/blog/optimistic-concurrency-lucene-debugging) by Benjamin Trent and Ao Li ([hacker news discussions](https://news.ycombinator.com/item?id=43114725))