We are seeing our builds that are cancelled with the following errors. I went to their steps and opened the logs, but they were empty. Please look into it and advise.

 Thanks,
ptrinh

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 08:46:02,700 ERROR - Build is failed.
    java.lang.RuntimeException: Error executing step execution job.
        at com.pmease.quickbuild.stepsupport.StepExecutionTask.reduce(StepExecutionTask.java:29)
        at com.pmease.quickbuild.stepsupport.StepExecutionTask.reduce(StepExecutionTask.java:19)
        at com.pmease.quickbuild.grid.GridTaskFuture.get(GridTaskFuture.java:161)
        at com.pmease.quickbuild.DefaultBuildEngine.run(DefaultBuildEngine.java:609)
        at com.pmease.quickbuild.DefaultBuildEngine.process(DefaultBuildEngine.java:466)
        at com.pmease.quickbuild.DefaultBuildEngine.access$000(DefaultBuildEngine.java:146)
        at com.pmease.quickbuild.DefaultBuildEngine$2.run(DefaultBuildEngine.java:1248)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)
    Caused by: com.pmease.quickbuild.QuickbuildException: Unable to find job '1c9f9f8f-f3f9-4007-92c7-8402b4a622f1' on node '7400:8811'.
        at com.pmease.quickbuild.grid.GridTaskFuture.testJobs(GridTaskFuture.java:86)
        at com.pmease.quickbuild.grid.GridTaskFuture.get(GridTaskFuture.java:143)
        ... 7 more

08:45:04,453 ERROR - Build is failed.
    java.lang.RuntimeException: Error executing step execution job.
        at com.pmease.quickbuild.stepsupport.StepExecutionTask.reduce(StepExecutionTask.java:29)
        at com.pmease.quickbuild.stepsupport.StepExecutionTask.reduce(StepExecutionTask.java:19)
        at com.pmease.quickbuild.grid.GridTaskFuture.get(GridTaskFuture.java:161)
        at com.pmease.quickbuild.DefaultBuildEngine.run(DefaultBuildEngine.java:609)
        at com.pmease.quickbuild.DefaultBuildEngine.process(DefaultBuildEngine.java:466)
        at com.pmease.quickbuild.DefaultBuildEngine.access$000(DefaultBuildEngine.java:146)
        at com.pmease.quickbuild.DefaultBuildEngine$2.run(DefaultBuildEngine.java:1248)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)
    Caused by: com.pmease.quickbuild.QuickbuildException: Unable to find job '8ff8f787-da58-42d5-a8fc-e6ba12c6a489' on node '7403:8811'.
        at com.pmease.quickbuild.grid.GridTaskFuture.testJobs(GridTaskFuture.java:86)
        at com.pmease.quickbuild.grid.GridTaskFuture.get(GridTaskFuture.java:143)
        ... 7 more

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