After Upgrading from Warning NG 6.0.4 and Analysis Model API 6.0.2 to latest versions, I got this exception:
[Pipeline] recordIssues
[Maven] Sleeping for 5 seconds due to JENKINS-32191...[Maven] Parsing console log (workspace: '/var/jenkins_home/build/workspace/project-test')
[Java] Sleeping for 5 seconds due to JENKINS-32191...[Java] Parsing console log (workspace: '/var/jenkins_home/build/workspace/project-test')[Static Analysis] Attaching ResultAction with ID 'analysis' to run 'project-test #4690'.
Error when executing always post condition:
java.lang.NullPointerException
at edu.hm.hafner.analysis.Report.addAll(Report.java:157)
at edu.hm.hafner.analysis.Report.copyIssuesAndProperties(Report.java:586)
at edu.hm.hafner.analysis.Report.addAll(Report.java:177)
at io.jenkins.plugins.analysis.core.model.AnalysisResult.getIssues(AnalysisResult.java:411)
at java.util.Optional.map(Optional.java:215)
at io.jenkins.plugins.analysis.core.model.AnalysisHistory.getIssues(AnalysisHistory.java:139)
at io.jenkins.plugins.analysis.core.model.DeltaReport.<init>(DeltaReport.java:48)
at io.jenkins.plugins.analysis.core.steps.IssuesPublisher.createAnalysisResult(IssuesPublisher.java:147)
at io.jenkins.plugins.analysis.core.steps.IssuesPublisher.attachAction(IssuesPublisher.java:107)
at io.jenkins.plugins.analysis.core.steps.IssuesRecorder.publishResult(IssuesRecorder.java:668)
at io.jenkins.plugins.analysis.core.steps.IssuesRecorder.record(IssuesRecorder.java:586)
at io.jenkins.plugins.analysis.core.steps.IssuesRecorder.perform(IssuesRecorder.java:565)
at io.jenkins.plugins.analysis.core.steps.RecordIssuesStep$Execution.run(RecordIssuesStep.java:976)
at io.jenkins.plugins.analysis.core.steps.RecordIssuesStep$Execution.run(RecordIssuesStep.java:939)
at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)