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https://issues.apache.org/jira/browse/NIFI-2841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15575877#comment-15575877
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ASF GitHub Bot commented on NIFI-2841:
--------------------------------------

Github user olegz commented on the issue:

    https://github.com/apache/nifi/pull/1088
  
    Reviewing. . .


> SplitAvro Processor is Broken
> -----------------------------
>
>                 Key: NIFI-2841
>                 URL: https://issues.apache.org/jira/browse/NIFI-2841
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: David Hicks
>            Assignee: Bryan Bende
>            Priority: Critical
>             Fix For: 1.1.0
>
>         Attachments: NIFI-2841.patch
>
>
> This is largely the fault of the Avro DataFileStream reader, but it's making 
> the processor unusable.  The problem appears to occur when you make the 
> following series of calls (which happens because of the splitSize comparison):
> reader.next() -> returns last element
> reader.hasNext() -> returns false
> reader.hasNext() -> returns true
> reader.next() -> EOFException
> org.apache.nifi.processor.exception.ProcessException: IOException thrown from 
> SplitAvro[id=22e03ca4-0151-4474-92fc-040e1fe12ab9]: java.io.EOFException
>       at 
> org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2013)
>  ~[na:na]
>       at 
> org.apache.nifi.processors.avro.SplitAvro$RecordSplitter$1.process(SplitAvro.java:250)
>  ~[nifi-avro-processors-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.controller.repository.StandardProcessSession.read(StandardProcessSession.java:1851)
>  ~[na:na]
>       at 
> org.apache.nifi.controller.repository.StandardProcessSession.read(StandardProcessSession.java:1822)
>  ~[na:na]
>       at 
> org.apache.nifi.processors.avro.SplitAvro$RecordSplitter.split(SplitAvro.java:236)
>  ~[nifi-avro-processors-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.processors.avro.SplitAvro.onTrigger(SplitAvro.java:202) 
> ~[nifi-avro-processors-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
>  [nifi-api-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1054)
>  [nifi-framework-core-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:136)
>  [nifi-framework-core-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
>  [nifi-framework-core-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:127)
>  [nifi-framework-core-0.7.0.jar:0.7.0]
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_101]
>       at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) 
> [na:1.8.0_101]
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
>  [na:1.8.0_101]
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
>  [na:1.8.0_101]
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_101]
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_101]
>       at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101]
> Caused by: java.io.EOFException: null
>       at 
> org.apache.avro.io.BinaryDecoder.ensureBounds(BinaryDecoder.java:473) 
> ~[avro-1.7.7.jar:1.7.7]
>       at org.apache.avro.io.BinaryDecoder.readInt(BinaryDecoder.java:128) 
> ~[avro-1.7.7.jar:1.7.7]
>       at org.apache.avro.io.BinaryDecoder.readString(BinaryDecoder.java:259) 
> ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.io.ResolvingDecoder.readString(ResolvingDecoder.java:201) 
> ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.generic.GenericDatumReader.readString(GenericDatumReader.java:363)
>  ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.generic.GenericDatumReader.readString(GenericDatumReader.java:355)
>  ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:157) 
> ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.generic.GenericDatumReader.readField(GenericDatumReader.java:193)
>  ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:183)
>  ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:151) 
> ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:142) 
> ~[avro-1.7.7.jar:1.7.7]
>       at org.apache.avro.file.DataFileStream.next(DataFileStream.java:233) 
> ~[avro-1.7.7.jar:1.7.7]
>       at 
> org.apache.nifi.processors.avro.SplitAvro$RecordSplitter$1$1.process(SplitAvro.java:259)
>  ~[nifi-avro-processors-0.7.0.jar:0.7.0]
>       at 
> org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:1998)
>  ~[na:na]
>       ... 17 common frames omitted



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