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8316401: sun/tools/jhsdb/JStackStressTest.java failed with "InternalError: We should have found a thread that owns the anonymous lock"

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Reviewed-by: cjplummer, dholmes
This commit is contained in:
Roman Kennke 2023-09-29 11:14:13 +00:00
parent c45308afac
commit bd918f49d2
1 changed files with 5 additions and 1 deletions
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6
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Threads.java
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@ -241,7 +241,11 @@ public class Threads {
return thread;
}
}
throw new InternalError("We should have found a thread that owns the anonymous lock");
// We should have found the owner, however, as the VM could be in any state, including the middle
// of performing GC, it is not always possible to do so. Just return null if we can't locate it.
System.out.println("Warning: We failed to find a thread that owns an anonymous lock. This is likely");
System.out.println("due to the JVM currently running a GC. Locking information may not be accurate.");
return null;
}
// Owner can only be threads at this point.
Address o = monitor.owner();