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From pvillard31 <>
Subject [GitHub] nifi issue #379: NIFI-1022 Added Tachyon/Alluxio processors
Date Tue, 21 Jun 2016 21:43:17 GMT
Github user pvillard31 commented on the issue:
    Thanks for the review @apiri!
    I still need to take into account some of your comments but I rebased the PR against master.
While doing some additional testing, for a reason I can't explain yet, I was unable to use
the ListProcessor:
    2016-06-21 23:28:56,127 WARN [Timer-Driven Process Thread-9] o.a.n.c.t.ContinuallyRunProcessorTask
Administratively Yielding ListAlluxio[id=42835c14-3896-47e0-95ae-ce8266e7c030] due to uncaught
Exception: java.lang.NullPointerException: Name is null
    2016-06-21 23:28:56,130 WARN [Timer-Driven Process Thread-9] o.a.n.c.t.ContinuallyRunProcessorTask

    java.lang.NullPointerException: Name is null
    	at java.lang.Enum.valueOf( ~[na:1.8.0_77]
    	at alluxio.exception.AlluxioExceptionType.valueOf( ~[na:na]
    	at alluxio.exception.AlluxioException.from( ~[na:na]
    	at alluxio.AbstractClient.retryRPC( ~[na:na]
    	at alluxio.client.file.FileSystemMasterClient.listStatus(
    	at alluxio.client.file.BaseFileSystem.listStatus( ~[na:na]
    	at alluxio.client.file.BaseFileSystem.listStatus( ~[na:na]
    	at org.apache.nifi.processors.alluxio.ListAlluxio.onTrigger( ~[na:na]
    	at org.apache.nifi.processor.AbstractProcessor.onTrigger( ~[nifi-api-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
    	at org.apache.nifi.controller.StandardProcessorNode.onTrigger(
    	at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$
    	at java.util.concurrent.Executors$ [na:1.8.0_77]
    	at java.util.concurrent.FutureTask.runAndReset( [na:1.8.0_77]
    	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(
    	at java.util.concurrent.ScheduledThreadPoolExecutor$
    	at java.util.concurrent.ThreadPoolExecutor.runWorker( [na:1.8.0_77]
    	at java.util.concurrent.ThreadPoolExecutor$ [na:1.8.0_77]
    	at [na:1.8.0_77]
    I'll try to dig more into this tomorrow. Otherwise, a guy from Alluxio reached me to propose
his help if needed on this PR, I guess I can ask him to have a look and make some comments.

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