Regression

org.eclipse.tracecompass.tmf.ctf.core.tests.temp.statistics.TmfStateStatisticsTest.testGetEventsInRangeEventAtStart

Stacktrace

java.lang.NullPointerException
	at java.base/java.util.Objects.requireNonNull(Objects.java:208)
	at org.eclipse.tracecompass.internal.tmf.core.statesystem.backends.partial.PartialHistoryBackend.doQuery(PartialHistoryBackend.java:279)
	at org.eclipse.tracecompass.internal.tmf.core.statesystem.backends.partial.PartialHistoryBackend.doSingularQuery(PartialHistoryBackend.java:405)
	at org.eclipse.tracecompass.internal.statesystem.core.StateSystem.querySingleState(StateSystem.java:609)
	at org.eclipse.tracecompass.tmf.core.statistics.TmfStateStatistics.getEventCountAt(TmfStateStatistics.java:295)
	at org.eclipse.tracecompass.tmf.core.statistics.TmfStateStatistics.getEventsInRange(TmfStateStatistics.java:209)
	at org.eclipse.tracecompass.tmf.ctf.core.tests.temp.statistics.TmfStatisticsTest.testGetEventsInRangeEventAtStart(TmfStatisticsTest.java:207)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.lang.Thread.run(Thread.java:833)