[jira] [Created] (NIFI-4747) GetHDFS Scheduling via CRON shows an error before it is scheduled

["Julian Gimbel (JIRA)" <ji...@apache.org>]

Julian Gimbel created NIFI-4747:
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             Summary: GetHDFS Scheduling via CRON shows an error before it is scheduled
                 Key: NIFI-4747
                 URL: https://issues.apache.org/jira/browse/NIFI-4747
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.4.0, 1.2.0
         Environment: Linux, Windows
            Reporter: Julian Gimbel
            Priority: Blocker
         Attachments: gethdfs_cron_scheduling.PNG, gethdfs_cron_scheduling_error.png

We schedule a getHDFS Processor CRON driven at "0 0 15 * * ?" so that it should run at 15:00:00 every day. If we start the processor it gives an error message even before CRON should have triggered the Processor as shown below. The question is why that is happening and how can it be fixed?

2018-01-08 14:43:01,242 ERROR [StandardProcessScheduler Thread-5] o.a.n.controller.StandardProcessorNode Failed to invoke @OnScheduled method due to java.lang.RuntimeException: Failed while executing one of processor's OnScheduled task.
java.lang.RuntimeException: Failed while executing one of processor's OnScheduled task.
	at org.apache.nifi.controller.StandardProcessorNode.invokeTaskAsCancelableFuture(StandardProcessorNode.java:1483)
	at org.apache.nifi.controller.StandardProcessorNode.access$000(StandardProcessorNode.java:103)
	at org.apache.nifi.controller.StandardProcessorNode$1.run(StandardProcessorNode.java:1302)
	at java.util.concurrent.Executors$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:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.util.concurrent.ExecutionException: java.lang.reflect.InvocationTargetException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:206)
	at org.apache.nifi.controller.StandardProcessorNode.invokeTaskAsCancelableFuture(StandardProcessorNode.java:1466)
	... 9 common frames omitted
Caused by: java.lang.reflect.InvocationTargetException: null
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:137)
	at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:125)
	at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:70)
	at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotation(ReflectionUtils.java:47)
	at org.apache.nifi.controller.StandardProcessorNode$1$1.call(StandardProcessorNode.java:1306)
	at org.apache.nifi.controller.StandardProcessorNode$1$1.call(StandardProcessorNode.java:1302)
	... 6 common frames omitted
Caused by: java.io.IOException: PropertyDescriptor PropertyDescriptor[Directory] has invalid value /nifi/pele/pele2rtdp/20180108. The directory does not exist.
	at org.apache.nifi.processors.hadoop.GetHDFS.onScheduled(GetHDFS.java:242)



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