The exception appear only if installed Pipeline:Job plugin v2.30+.

 
Oct 29, 2019 11:07:10 AM WARNING org.jenkinsci.plugins.workflow.job.WorkflowRun getLogFile
Avoid calling getLogFile on emptyPipelineJob #1 java.lang.UnsupportedOperationException at org.jenkinsci.plugins.workflow.job.WorkflowRun.getLogFile(WorkflowRun.java:1088) at com.microfocus.application.automation.tools.octane.CIJenkinsServicesImpl.getOctaneLogFile(CIJenkinsServicesImpl.java:569) at com.microfocus.application.automation.tools.octane.CIJenkinsServicesImpl.getBuildLog(CIJenkinsServicesImpl.java:368) at com.hp.octane.integrations.services.logs.LogsServiceImpl.pushBuildLog(LogsServiceImpl.java:160) at com.hp.octane.integrations.services.logs.LogsServiceImpl.worker(LogsServiceImpl.java:117) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)