The following test failed in the JDK22 CI:

gc/z/TestSmallHeap.java

Here's a snippet from the log file:

[1.421s][info][gc,heap ] GC(92) y: Heap Statistics:
[1.421s][info][gc,heap ] GC(92) y: Mark Start Mark End Relocate Start Relocate End High Low
[1.421s][info][gc,heap ] GC(92) y: Capacity: 8M (100%) 8M (100%) 8M (100%) 8M (100%) 8M (100%) 8M (100%)
[1.421s][info][gc,heap ] GC(92) y: Free: 0M (0%) 0M (0%) 0M (0%) 0M (0%) 0M (0%) 0M (0%)
[1.421s][info][gc,heap ] GC(92) y: Used: 8M (100%) 8M (100%) 8M (100%) 8M (100%) 8M (100%) 8M (100%)
[1.421s][info][gc,heap ] GC(92) y: Young Generation Statistics:
[1.421s][info][gc,heap ] GC(92) y: Mark Start Mark End Relocate Start Relocate End
[1.421s][info][gc,heap ] GC(92) y: Used: 2M (25%) 2M (25%) 2M (25%) 2M (25%)
[1.421s][info][gc,heap ] GC(92) y: Live: - 0M (0%) 0M (0%) 0M (0%)
[1.421s][info][gc,heap ] GC(92) y: Garbage: - 1M (25%) 1M (25%) 1M (25%)
[1.421s][info][gc,heap ] GC(92) y: Allocated: - 0M (0%) 0M (0%) 0M (0%)
[1.421s][info][gc,heap ] GC(92) y: Reclaimed: - - 0M (0%) 0M (0%)
[1.421s][info][gc,heap ] GC(92) y: Promoted: - - 0M (0%) 0M (0%)
[1.421s][info][gc,heap ] GC(92) y: Compacted: - - - 0M (0%)
[1.421s][info][gc ] GC(92) Minor Collection (High Usage) 8M(100%)->8M(100%) 0.010s
[1.438s][info][gc ] GC(93) Minor Collection (High Usage)
[1.447s][info][gc ] GC(93) y: Relocation Stall (VM Thread) 8.939ms
[1.447s][info][gc ] GC(93) y: Relocation Stall (VM Thread) 0.102ms
[1.447s][info][gc ] Allocation Stall (old-m-a-i-n) 68.503ms
[1.451s][info][gc ] GC(93) Minor Collection (High Usage) Aborted
[1.452s][info][gc ] GC(88) Major Collection (Allocation Stall) Aborted
];
 stderr: [Exception in thread "old-m-a-i-n" java.lang.OutOfMemoryError: Java heap space
at gc.z.TestSmallHeap$Test.main(TestSmallHeap.java:47)
at java.base/java.lang.invoke.LambdaForm$DMH/0x0000000801003000.invokeStatic(LambdaForm$DMH)
at java.base/java.lang.invoke.LambdaForm$MH/0x0000000801004400.invoke(LambdaForm$MH)
at java.base/java.lang.invoke.Invokers$Holder.invokeExact_MT(Invokers$Holder)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invokeImpl(DirectMethodHandleAccessor.java:154)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at jdk.test.lib.process.ProcessTools.lambda$main$6(ProcessTools.java:901)
at jdk.test.lib.process.ProcessTools$$Lambda/0x00000008010016c0.run(Unknown Source)
at java.base/java.lang.Thread.runWith(Thread.java:1583)
at java.base/java.lang.VirtualThread.run(VirtualThread.java:309)
at java.base/java.lang.VirtualThread$VThreadContinuation$1.run(VirtualThread.java:190)
at java.base/jdk.internal.vm.Continuation.enter0(Continuation.java:320)
at java.base/jdk.internal.vm.Continuation.enter(Continuation.java:312)
at java.base/jdk.internal.vm.Continuation.enterSpecial(Native Method)
]
 exitValue = 1

java.lang.RuntimeException: 'Success' missing from stdout/stderr
at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:221)
at gc.z.TestSmallHeap.main(TestSmallHeap.java:64)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.VirtualThread.run(VirtualThread.java:309)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: 'Success' missing from stdout/stderr

This is the third rendition of this issue. See:

JDK-8234619 ZGC: gc/z/TestSmallHeap.java failure with Out Of Memory
JDK-8240714 ZGC: TestSmallHeap.java failed due to OutOfMemoryError