Fix JFR startup deadlock without disabling built-in JFR events#11957

Merged

gh-worker-dd-mergequeue-cf854d[bot] merged 12 commits into

rkennke/fix-jfr-handlers-clinit-deadlock

Jul 16, 2026

Commits on Jul 15, 2026

Actually initialize JFR Handlers class early to avoid deadlock

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Address review: cover renamed holder class and init before all JFR registration

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Register JDK JFR events before forcing holder init, to avoid null handlers

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Add regression test for JFR handler null-poisoning

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Route JFR event registration through a single init-first choke point

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Merge branch 'master' into rkennke/fix-jfr-handlers-clinit-deadlock
rkennke
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Remove duplicated comment in initializeJfrEventHolderClass

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Address pre-review: docs, version accuracy, log wording, test caveats

rkennke
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