Java Runtime Lab / 01

When waiting ends,
does work stop?

Follow actual task lifecycles through a saturated pool, cancellation and retries. Inspect the evidence, then reproduce it on your own JVM.

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Actual task evidence

Task lifecycle events

Environment & audited JFR summary

One pinned JDK, a checksum-pinned Maven wrapper, hard timeouts and no runtime dependencies. Raw JFR stays on your machine.

Three repetitions verify lifecycle relationships. These timings are observations under JFR, not a JMH benchmark or a capacity promise.