Getting NullPointerException for org.junit.Assert.assertTrue()

[kumaprem-flutterint]

Error log:
java.lang.AssertionError
at org.junit.Assert.fail(Assert.java:87)
at org.junit.Assert.assertTrue(Assert.java:42)
at org.junit.Assert.assertTrue(Assert.java:53)
at steps.KinesisSteps.theEventsShouldBe(KinesisSteps.java:284)

java.lang.NullPointerException
6572
at net.thucydides.model.domain.failures.AssertionErrorMessagesAggregator.stripLeadingLineBreakFrom(AssertionErrorMessagesAggregator.java:26)
6573
at net.thucydides.model.domain.failures.AssertionErrorMessagesAggregator.aggregateErrorMessages(AssertionErrorMessagesAggregator.java:18)
6574
at net.thucydides.model.domain.MultipleAssertionErrors.(MultipleAssertionErrors.java:11)
6575
at net.thucydides.model.domain.TestOutcome.determineTestFailureCause(TestOutcome.java:1722)
6576
at net.thucydides.core.steps.BaseStepListener.testFailed(BaseStepListener.java:1349)
6577
at net.thucydides.core.steps.StepEventBus.testFailed(StepEventBus.java:757)
6578
at net.thucydides.core.steps.StepEventBus.testFailed(StepEventBus.java:744)
6579
at net.thucydides.core.steps.events.TestFailedEvent.play(TestFailedEvent.java:16)
6580
at io.cucumber.core.plugin.ScenarioContextParallel.replayAllTestCaseEventsForLine(ScenarioContextParallel.java:384)
6581
at io.cucumber.core.plugin.ScenarioContextParallel.lambda$playAllTestEvents$4(ScenarioContextParallel.java:365)
6582
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
6583
at java.base/java.util.Collections$SynchronizedCollection.forEach(Collections.java:2067)
6584
at io.cucumber.core.plugin.ScenarioContextParallel.playAllTestEvents(ScenarioContextParallel.java:365)
6585
at io.cucumber.core.plugin.SerenityReporterParallel.lambda$handleTestRunFinished$5(SerenityReporterParallel.java:520)
6586
at java.base/java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:807)
6587
at java.base/java.util.concurrent.CopyOnWriteArraySet.forEach(CopyOnWriteArraySet.java:425)
6588
at io.cucumber.core.plugin.SerenityReporterParallel.handleTestRunFinished(SerenityReporterParallel.java:519)
6589
at io.cucumber.core.eventbus.AbstractEventPublisher.send(AbstractEventPublisher.java:51)
6590
at io.cucumber.core.eventbus.AbstractEventBus.send(AbstractEventBus.java:12)
6591
at io.cucumber.core.runtime.SynchronizedEventBus.send(SynchronizedEventBus.java:47)
6592
at io.cucumber.core.runtime.CucumberExecutionContext.emitTestRunFinished(CucumberExecutionContext.java:117)
6593
at io.cucumber.core.runtime.CucumberExecutionContext.finishTestRun(CucumberExecutionContext.java:104)
6594
at io.cucumber.junit.platform.engine.CucumberEngineExecutionContext.finishTestRun(CucumberEngineExecutionContext.java:126)
6595
at io.cucumber.junit.platform.engine.CucumberEngineDescriptor.ifChildren(CucumberEngineDescriptor.java:63)
6596
at io.cucumber.junit.platform.engine.CucumberEngineDescriptor.cleanUp(CucumberEngineDescriptor.java:48)
6597
at io.cucumber.junit.platform.engine.CucumberEngineDescriptor.cleanUp(CucumberEngineDescriptor.java:12)
6598
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$cleanUp$10(NodeTestTask.java:167)
6599
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
6600
at org.junit.platform.engine.support.hierarchical.NodeTestTask.cleanUp(NodeTestTask.java:167)
6601
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:98)
6602
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
6603
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
6604
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)
6605
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:198)
6606
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:169)
6607
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:93)
6608
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:76)
6609
at org.junit.platform.suite.engine.SuiteLauncher.execute(SuiteLauncher.java:63)
6610
at org.junit.platform.suite.engine.SuiteTestDescriptor.execute(SuiteTestDescriptor.java:128)
6611
at org.junit.platform.suite.engine.SuiteTestEngine.lambda$execute$0(SuiteTestEngine.java:73)
6612
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
6613
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
6614
at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
6615
at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
6616
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
6617
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
6618
at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
6619
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
6620
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
6621
at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
6622
at org.junit.platform.suite.engine.SuiteTestEngine.execute(SuiteTestEngine.java:73)
6623
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:198)
6624
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:169)
6625
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:93)
6626
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:58)
6627
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:141)
6628
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:57)
6629
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:103)
6630
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:85)
6631
at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:47)
6632
at org.apache.maven.surefire.junitplatform.LazyLauncher.execute(LazyLauncher.java:56)
6633
at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.execute(JUnitPlatformProvider.java:184)
6634
at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invokeAllTests(JUnitPlatformProvider.java:148)
6635
at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invoke(JUnitPlatformProvider.java:122)
6636
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
6637
at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
6638
at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
6639
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)

[kaylezhangzhaoLin]

The bug has been fixed. please using <serenity.version>4.1.20</serenity.version> and retry.