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Posted to issues@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2018/01/08 21:18:00 UTC
[jira] [Updated] (NIFI-4749) QueryRecord throws NPE when selecting
complex objects if writer inherits schema
[ https://issues.apache.org/jira/browse/NIFI-4749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mark Payne updated NIFI-4749:
-----------------------------
Attachment: NIFI-4749.xml
Attached is a template to recreate the issue.
> QueryRecord throws NPE when selecting complex objects if writer inherits schema
> -------------------------------------------------------------------------------
>
> Key: NIFI-4749
> URL: https://issues.apache.org/jira/browse/NIFI-4749
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.4.0
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.5.0
>
> Attachments: NIFI-4749.xml
>
>
> If we create a QueryRecord processor and choose a Record Writer that has a Schema Write Strategy of "Inherit Record," all works okay if the data being queried is 'flat' data. But if the data is hierarchical it can fail when attempting to write out the data, throwing a NullPointerException:
> {code}
> 2018-01-08 15:15:07,645 ERROR [NiFi logging handler] org.apache.nifi.StdErr java.lang.NullPointerException
> 2018-01-08 15:15:07,648 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.json.WriteJsonResult.writeRecord(WriteJsonResult.java:167)
> 2018-01-08 15:15:07,648 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.json.WriteJsonResult.writeValue(WriteJsonResult.java:348)
> 2018-01-08 15:15:07,648 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.json.WriteJsonResult.writeArray(WriteJsonResult.java:385)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.json.WriteJsonResult.writeValue(WriteJsonResult.java:372)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.json.WriteJsonResult.writeRecord(WriteJsonResult.java:181)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.json.WriteJsonResult.writeRecord(WriteJsonResult.java:128)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.serialization.AbstractRecordSetWriter.write(AbstractRecordSetWriter.java:59)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.serialization.AbstractRecordSetWriter.write(AbstractRecordSetWriter.java:52)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.processors.standard.QueryRecord$1.process(QueryRecord.java:305)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2571)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.processors.standard.QueryRecord.onTrigger(QueryRecord.java:290)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1122)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:147)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:128)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 2018-01-08 15:15:07,649 ERROR [NiFi logging handler] org.apache.nifi.StdErr at java.lang.Thread.run(Thread.java:745)
> {code}
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