Nov 26, 2019 3:17:48 PM FINER org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep
EC2 (ec2) - new-builder-backend-j8 (i-0d91350838c6340f5) seems to be online so using /home/ec2-user/workspace/ntend-pipeline_customer-settings@3 
Nov 26, 2019 3:17:48 PM FINE org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep
could not check /home/ec2-user/workspace/ntend-pipeline_customer-settings@3 
    Also: hudson.remoting.Channel$CallSiteStackTrace: Remote call to EC2 (ec2) - new-builder-backend-j8 (i-0d91350838c6340f5)
        at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1743)
        at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:357)
        at hudson.remoting.Channel.call(Channel.java:957)
        at hudson.FilePath.act(FilePath.java:1072)
        at hudson.FilePath.act(FilePath.java:1061)
        at org.jenkinsci.plugins.durabletask.FileMonitoringTask$FileMonitoringController.getOutput(FileMonitoringTask.java:300)
        at org.jenkinsci.plugins.durabletask.FileMonitoringTask$FileMonitoringController.getOutput(FileMonitoringTask.java:293)
        at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.lambda$check$3(DurableTaskStep.java:604)
        at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.handleExit(DurableTaskStep.java:651)
        at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.check(DurableTaskStep.java:604)
        at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.run(DurableTaskStep.java:548)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
java.io.FileNotFoundException: File '/home/ec2-user/workspace/ntend-pipeline_customer-settings@3@tmp/durable-a112d9e1/output.txt' does not exist
    at org.apache.commons.io.FileUtils.openInputStream(FileUtils.java:297)
    at org.apache.commons.io.FileUtils.readFileToByteArray(FileUtils.java:1851)
    at org.jenkinsci.plugins.durabletask.FileMonitoringTask$FileMonitoringController$1.invoke(FileMonitoringTask.java:302)
    at org.jenkinsci.plugins.durabletask.FileMonitoringTask$FileMonitoringController$1.invoke(FileMonitoringTask.java:300)
    at hudson.FilePath$FileCallableWrapper.call(FilePath.java:3052)
    at hudson.remoting.UserRequest.perform(UserRequest.java:212)
    at hudson.remoting.UserRequest.perform(UserRequest.java:54)
    at hudson.remoting.Request$2.run(Request.java:369)
    at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:748)