The following test is failing the JDK15 CI:

java/util/logging/Logger/bundleLeak/BundleTest.java

Here's a snippet from the log file:

#section:main
----------messages:(5/329)----------
command: main -Xmx64M -Djava.util.logging.config.file=logging.properties BundleTest
reason: User specified action: run main/othervm -Xmx64M -Djava.util.logging.config.file=logging.properties BundleTest
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.logging
elapsed time (seconds): 4.462
----------configuration:(3/40)----------
Boot Layer
  add modules: java.logging

----------System.out:(30/780)----------
Waiting for URL loader to be GC'ed
Total memory added: 1 Mb
Total memory added: 2 Mb
Total memory added: 3 Mb
Total memory added: 4 Mb
Total memory added: 5 Mb
Total memory added: 6 Mb
Total memory added: 7 Mb
Total memory added: 8 Mb
Total memory added: 9 Mb
Total memory added: 10 Mb
Total memory added: 11 Mb
Total memory added: 12 Mb
Total memory added: 13 Mb
Total memory added: 14 Mb
Total memory added: 15 Mb
Total memory added: 16 Mb
Total memory added: 17 Mb
Total memory added: 18 Mb
Total memory added: 19 Mb
Total memory added: 20 Mb
Total memory added: 21 Mb
Total memory added: 22 Mb
Total memory added: 23 Mb
Total memory added: 24 Mb
Total memory added: 25 Mb
Total memory added: 26 Mb
Total memory added: 27 Mb
Total memory added: 28 Mb
Total memory added: 29 Mb
----------System.err:(17/902)----------
May 26, 2020 3:20:21 PM BundleTest main
FINE: foo-151831367
May 26, 2020 3:20:21 PM BundleTest main
FINE: foo-151831367
java.lang.OutOfMemoryError: Java heap space
at BundleTest.main(BundleTest.java:132)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.OutOfMemoryError: Java heap space
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.OutOfMemoryError: Java heap space
----------rerun:(39/4944)*----------

So far this failure mode has shown up in three recent JDK15 CI jobs.