Found one Java-level deadlock: ============================= "Executor #-1 for master : executing BranchIndexing[hackathon-2018/universal-deployment-tracker]": waiting to lock monitor 0x00007f8a887e7e58 (object 0x00000000951b5530, a org.jenkinsci.plugins.workflow.job.WorkflowRun), which is held by "WorkflowRun.copyLogs [#5] (XXX #19)" "WorkflowRun.copyLogs [#5] (XXX #19)": waiting to lock monitor 0x00007f8a90c4ef48 (object 0x00000000951b5420, a org.jenkinsci.plugins.workflow.cps.CpsFlowExecution), which is held by "Running CpsFlowExecution[Owner[XXX/19:XXX #19]]" "Running CpsFlowExecution[Owner[XXX/19:XXX #19]]": waiting to lock monitor 0x00007f8a887e7e58 (object 0x00000000951b5530, a org.jenkinsci.plugins.workflow.job.WorkflowRun), which is held by "WorkflowRun.copyLogs [#5] (XXX #19)" Java stack information for the threads listed above: =================================================== "Executor #-1 for master : executing BranchIndexing[hackathon-2018/universal-deployment-tracker]": at org.jenkinsci.plugins.workflow.job.WorkflowRun.getExecution(WorkflowRun.java:844) - waiting to lock <0x00000000951b5530> (a org.jenkinsci.plugins.workflow.job.WorkflowRun) at org.jenkinsci.plugins.workflow.job.WorkflowRun$Owner.get(WorkflowRun.java:1100) at org.jenkinsci.plugins.workflow.cps.CpsStepContext.getExecution(CpsStepContext.java:213) at org.jenkinsci.plugins.workflow.cps.CpsStepContext.getExecution(CpsStepContext.java:95) at org.jenkinsci.plugins.workflow.support.DefaultStepContext.get(DefaultStepContext.java:89) at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask.run(ExecutorStepExecution.java:409) at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask.getOwnerTask(ExecutorStepExecution.java:346) at hudson.model.queue.Tasks.getItemOf(Tasks.java:72) at hudson.model.AbstractItem.delete(AbstractItem.java:606) at hudson.model.Job.delete(Job.java:681) at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:289) at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:165) at jenkins.branch.MultiBranchProject$BranchIndexing.run(MultiBranchProject.java:1024) at hudson.model.ResourceController.execute(ResourceController.java:97) at hudson.model.Executor.run(Executor.java:429) "WorkflowRun.copyLogs [#5] (XXX #19)": at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$ConverterImpl.marshal(CpsFlowExecution.java:1602) - waiting to lock <0x00000000951b5420> (a org.jenkinsci.plugins.workflow.cps.CpsFlowExecution) at hudson.util.XStream2$AssociatedConverterImpl.marshal(XStream2.java:461) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:265) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:252) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:224) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:209) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:150) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:82) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:37) at com.thoughtworks.xstream.XStream.marshal(XStream.java:1026) at com.thoughtworks.xstream.XStream.marshal(XStream.java:1015) at com.thoughtworks.xstream.XStream.toXML(XStream.java:988) at hudson.XmlFile.write(XmlFile.java:193) at org.jenkinsci.plugins.workflow.support.PipelineIOUtils.writeByXStream(PipelineIOUtils.java:30) at org.jenkinsci.plugins.workflow.job.WorkflowRun.save(WorkflowRun.java:1256) - locked <0x00000000951b5530> (a org.jenkinsci.plugins.workflow.job.WorkflowRun) at org.jenkinsci.plugins.workflow.job.WorkflowRun.saveWithoutFailing(WorkflowRun.java:1236) at org.jenkinsci.plugins.workflow.job.WorkflowRun.copyLogs(WorkflowRun.java:612) at org.jenkinsci.plugins.workflow.job.WorkflowRun.access$500(WorkflowRun.java:144) at org.jenkinsci.plugins.workflow.job.WorkflowRun$3.run(WorkflowRun.java:410) - locked <0x00000000951bff28> (a java.lang.Object) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) "Running CpsFlowExecution[Owner[XXX/19:XXX #19]]": at org.jenkinsci.plugins.workflow.job.WorkflowRun.save(WorkflowRun.java:1245) - waiting to lock <0x00000000951b5530> (a org.jenkinsci.plugins.workflow.job.WorkflowRun) at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.saveOwner(CpsFlowExecution.java:1925) at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.saveExecutionIfDurable(CpsFlowExecution.java:1906) at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.addHead(CpsFlowExecution.java:1077) - locked <0x00000000951b5420> (a org.jenkinsci.plugins.workflow.cps.CpsFlowExecution) at org.jenkinsci.plugins.workflow.cps.FlowHead.fork(FlowHead.java:94) at org.jenkinsci.plugins.workflow.cps.DSL$ThreadTaskImpl.invokeBody(DSL.java:585) at org.jenkinsci.plugins.workflow.cps.DSL$ThreadTaskImpl.eval(DSL.java:559) at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:184) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:332) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$200(CpsThreadGroup.java:83) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:244) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:232) at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:64) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at java.util.concurrent.Executors$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) Found 1 deadlock.