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https://issues.apache.org/jira/browse/NIFI-7917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17223658#comment-17223658
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Matt Burgess commented on NIFI-7917:
------------------------------------
This is a duplicate of NIFI-7882, but with a different fix. NIFI-7882 proposes
to patch the NiFi code without upgrading Avro, and this one proposes to upgrade
Avro.
> Upgrade avro to 1.10 in
> nifi-nar-bundles/nifi-standard-services/nifi-record-serialization-services-bundle/nifi-record-serialization-services
> --------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-7917
> URL: https://issues.apache.org/jira/browse/NIFI-7917
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Denes Arvay
> Assignee: Denes Arvay
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When trying to convert an avro record with ConvertRecord processor I bumped
> into the following exception:
> {code:java}
> 2020-10-12 15:04:57,017 ERROR [Timer-Driven Process Thread-1]
> o.a.n.processors.standard.ConvertRecord
> ConvertRecord[id=1e2b99d5-0175-1000-531f-0cf5a5ae8490] Failed to process
> StandardFlowFileRecord[uuid=6b7d3df3-fc7d-4606-acfe-87fcafcdebc9,claim=StandardContentClaim
> [resourceClaim=StandardResourceClaim[id=1602529363240-1, container=default,
> section=1], offset=656,
> length=332],offset=0,name=avro_test_29092020104944.avro,size=332]; will route
> to failure: org.apache.avro.file.DataFileWriter$AppendWriteException:
> org.apache.avro.AvroRuntimeException: Unknown datum type
> org.apache.avro.JsonProperties$Null:
> org.apache.avro.JsonProperties$Null@24418f28
> org.apache.avro.file.DataFileWriter$AppendWriteException:
> org.apache.avro.AvroRuntimeException: Unknown datum type
> org.apache.avro.JsonProperties$Null:
> org.apache.avro.JsonProperties$Null@24418f28
> at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:308)
> at
> org.apache.nifi.avro.WriteAvroResultWithSchema.writeRecord(WriteAvroResultWithSchema.java:61)
> at
> org.apache.nifi.serialization.AbstractRecordSetWriter.write(AbstractRecordSetWriter.java:59)
> at
> org.apache.nifi.processors.standard.AbstractRecordProcessor$1.process(AbstractRecordProcessor.java:153)
> at
> org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2887)
> at
> org.apache.nifi.processors.standard.AbstractRecordProcessor.onTrigger(AbstractRecordProcessor.java:122)
> at
> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> at
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1162)
> at
> org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:209)
> at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117)
> at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.avro.AvroRuntimeException: Unknown datum type
> org.apache.avro.JsonProperties$Null:
> org.apache.avro.JsonProperties$Null@24418f28
> at
> org.apache.avro.generic.GenericData.getSchemaName(GenericData.java:741)
> at
> org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:706)
> at
> org.apache.avro.generic.GenericDatumWriter.resolveUnion(GenericDatumWriter.java:192)
> at
> org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:110)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:73)
> at
> org.apache.avro.generic.GenericDatumWriter.writeField(GenericDatumWriter.java:153)
> at
> org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:143)
> at
> org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:105)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:73)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:60)
> at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:302)
> ... 17 common frames omitted
> {code}
> This is caused by AVRO-1954 which has been fixed in avro 1.9.
> I'd suggest upgrading the avro version in the
> {{org.apache.nifi.avro.WriteAvroResultWithSchema}}'s module
> (\{{nifi-nar-bundles/nifi-standard-services/nifi-record-serialization-services-bundle/nifi-record-serialization-services}})
> to the latest avro (1.10.0). Currently 1.8.1 is in use.
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