This is mainly due to the fact that the Java ThreadPool does not have a mechanism to detect a thread hang. We could try a Cached thread pool, but it also has problems.

Virtual threads are being proposed for Java, in an effort to dramatically reduce the effort required to write, maintain, and observe high-throughput concurrent applications. A draft JDK ...

Virtual threads, revealed in Java's Project Loom and generally available with the Java 21 LTS, promise unparalleled scalability, simplified asynchronous coding and more efficient resource utilization.