Several tests failed in the nightly on all platforms:

com/oracle/jfr/event/oldobject/TestSerial.java
com/oracle/jfr/event/oldobject/TestParallel.java
com/oracle/jfr/event/oldobject/TestParallelOld.java
com/oracle/jfr/event/oldobject/TestCMS.java
com/oracle/jfr/event/oldobject/TestG1.java
com/oracle/jfr/event/oldobject/TestThreadLocalLeak.java
com/oracle/jfr/event/oldobject/TestListenerLeak.java
com/oracle/jfr/event/os/TestSystemProcess.java

Three different asserts is seen:

java.lang.Exception: Could not find leak with class [Lcom.oracle.jfr.event.oldobject.TestParallelOld$FindMe;
at com.oracle.jfr.event.oldobject.TestParallelOld.main(TestParallelOld.java:43)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:832)


java.lang.RuntimeException: No events: expected false, was true
at jdk.testlibrary.Asserts.fail(Asserts.java:540)
at jdk.testlibrary.Asserts.assertFalse(Asserts.java:465)
at com.oracle.jfr.common.Events.hasEvents(Events.java:134)
at com.oracle.jfr.event.os.TestSystemProcess.main(TestSystemProcess.java:32)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:832)


java.lang.RuntimeException: Could not find root object
at jdk.testlibrary.Asserts.fail(Asserts.java:540)
at com.oracle.jfr.event.oldobject.TestLargeRootSet.main(TestLargeRootSet.java:105)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:832)