[ https://issues.apache.org/jira/browse/NIFI-5802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pierre Villard resolved NIFI-5802. ---------------------------------- Resolution: Fixed Fix Version/s: 1.9.0 > QueryRecord ignores field nullability and causes NPE with null input value > -------------------------------------------------------------------------- > > Key: NIFI-5802 > URL: https://issues.apache.org/jira/browse/NIFI-5802 > Project: Apache NiFi > Issue Type: Bug > Components: Extensions > Affects Versions: 1.2.0 > Reporter: Koji Kawamura > Assignee: Koji Kawamura > Priority: Major > Fix For: 1.9.0 > > > WIth Avro schema, a field can be defined as nullable by a union type. For > example: > {code:java} > "type": [ "null", "boolean" ] > {code} > QueryRecord generates relational data types from the record schema. But it > currently doesn't utilize the nullable information. And it leads to a > NullPointerException when the incoming FlowFile has null values for the > nullable fields. > A simple 'select * from FLOWFILE' can fail, if the AvroRecordSetWriter is > used. > This issue was reported to nifi user ML. See the message for detail. > > [https://mail-archives.apache.org/mod_mbox/nifi-users/201811.mbox/%3CCAB10SGVgW2NR76UR1pYJvEZYTO3J1T7t_0q%2BUsQANp%3DcHxS-kw%40mail.gmail.com%3E] > Here is the full stack trace: > {code} > org.apache.nifi.processor.exception.ProcessException: IOException thrown from > QueryRecord[id=f11017d1-0166-1000-344a-c2f1d9bbd933]: java.io.IOException: > org.apache.avro.file.DataFileWriter$AppendWriteException: > java.lang.NullPointerException: null of boolean in field bool_test of > org.apache.nifi.nifiRecord > at > org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2667) > at > org.apache.nifi.processors.standard.QueryRecord.onTrigger(QueryRecord.java:309) > at > org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27) > at > org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1168) > at > org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:203) > at > org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) > at > java.util.concurrent.Executors$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:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.io.IOException: > org.apache.avro.file.DataFileWriter$AppendWriteException: > java.lang.NullPointerException: null of boolean in field bool_test of > org.apache.nifi.nifiRecord > at > org.apache.nifi.processors.standard.QueryRecord$1.process(QueryRecord.java:327) > at > org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2648) > ... 12 common frames omitted > Caused by: org.apache.avro.file.DataFileWriter$AppendWriteException: > java.lang.NullPointerException: null of boolean in field bool_test of > org.apache.nifi.nifiRecord > 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.serialization.AbstractRecordSetWriter.write(AbstractRecordSetWriter.java:52) > at > org.apache.nifi.processors.standard.QueryRecord$1.process(QueryRecord.java:324) > ... 13 common frames omitted > Caused by: java.lang.NullPointerException: null of boolean in field bool_test > of org.apache.nifi.nifiRecord > at > org.apache.avro.generic.GenericDatumWriter.npe(GenericDatumWriter.java:132) > at > org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:126) > 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 > Caused by: java.lang.NullPointerException: null > at > org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:121) > 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) > ... 20 common frames omitted > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)