Anders Synstad created NIFI-9613:
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Summary: QueryRecord fails with java.util.NoSuchElementException
Key: NIFI-9613
URL: https://issues.apache.org/jira/browse/NIFI-9613
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 1.15.2
Environment: Ubuntu 18.04 with openjdk-11-jre-headless
11.0.13+8-0ubuntu1~18.04
Reporter: Anders Synstad
Attachments: JSON-test.xml
I am getting java.util.NoSuchElementException in QueryRecord under certain
conditions using JsonTreeReader + JsonRecordSetWriter + a simple json event.
Generating a simple flowfile with the following json using GenerateFlowFile:
{{{"epoch":1642669279,"thing":[1234],"foo":"bar"}}}
Using QueryRecord with the following dynamic properties work:
{{SELECT * FROM FLOWFILE WHERE foo = 'bar'}}
{{SELECT * FROM FLOWFILE WHERE foo LIKE 'ba%'}}
However, using the following generates an error:
{{SELECT * FROM FLOWFILE WHERE foo LIKE 'fo%'}}
It appears it will fail if the WHERE clause does not find any matches in the
flowfile.Removing {{"thing":[12345]}} from the json in the flowfile causes all
3 dynamic
properties in QueryRecord to work.The error generated is:
2022-01-20 10:19:25,403 ERROR [Timer-Driven Process Thread-24]
o.a.nifi.processors.standard.QueryRecord
QueryRecord[id=9a2539a7-14df-159f-b3f4-83787721a05f] Unable to query
StandardFlowFileRecord[uuid=db24c0b5-e874-4a55-82a7-cbdf69b0cf5a,claim=StandardContentClaim
[resourceClaim=StandardResourceClaim[id=1642670361821-5989894,
container=default, section=518], offset=517544,
length=47],offset=0,name=db24c0b5-e874-4a55-82a7-cbdf69b0cf5a,size=47] due to
org.apache.nifi.processor.exception.ProcessException: java.sql.SQLException:
java.util.NoSuchElementException: Expecting cursor position to be Position.OK,
actual is Position.AFTER_END: java.util.NoSuchElementException: Expecting
cursor position to be Position.OK, actual is Position.AFTER_END
↳ causes: java.sql.SQLException: java.util.NoSuchElementException: Expecting
cursor position to be Position.OK, actual is Position.AFTER_END
↳ causes: org.apache.nifi.processor.exception.ProcessException:
java.sql.SQLException: java.util.NoSuchElementException: Expecting cursor
position to be Position.OK, actual is Position.AFTER_END
org.apache.nifi.processor.exception.ProcessException: java.sql.SQLException:
java.util.NoSuchElementException: Expecting cursor position to be Position.OK,
actual is Position.AFTER_END
at
org.apache.nifi.processors.standard.QueryRecord$1.process(QueryRecord.java:343)
at
org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2909)
at
org.apache.nifi.processors.standard.QueryRecord.onTrigger(QueryRecord.java:332)
at
org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
at
org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1273)
at
org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:214)
at
org.apache.nifi.controller.scheduling.AbstractTimeBasedSchedulingAgent.lambda$doScheduleOnce$0(AbstractTimeBasedSchedulingAgent.java:63)
at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.sql.SQLException: java.util.NoSuchElementException: Expecting
cursor position to be Position.OK, actual is Position.AFTER_END
at
org.apache.calcite.avatica.util.PositionedCursor$ArrayGetter.getObject(PositionedCursor.java:65)
at
org.apache.calcite.avatica.util.AbstractCursor$AccessorImpl.getObject(AbstractCursor.java:355)
at
org.apache.calcite.avatica.util.AbstractCursor$ArrayAccessor.getObject(AbstractCursor.java:1286)
at
org.apache.calcite.avatica.util.AbstractCursor$ArrayAccessor.getArray(AbstractCursor.java:1354)
at
org.apache.calcite.avatica.AvaticaResultSet.getArray(AvaticaResultSet.java:729)
at
org.apache.nifi.serialization.record.ResultSetRecordSet.getArrayDataType(ResultSetRecordSet.java:295)
at
org.apache.nifi.serialization.record.ResultSetRecordSet.getDataType(ResultSetRecordSet.java:207)
at
org.apache.nifi.serialization.record.ResultSetRecordSet.createSchema(ResultSetRecordSet.java:184)
at
org.apache.nifi.serialization.record.ResultSetRecordSet.<init>(ResultSetRecordSet.java:86)
at
org.apache.nifi.serialization.record.ResultSetRecordSet.<init>(ResultSetRecordSet.java:71)
at
org.apache.nifi.processors.standard.QueryRecord$1.process(QueryRecord.java:339)
... 13 common frames omitted
Caused by: java.util.NoSuchElementException: Expecting cursor position to be
Position.OK, actual is Position.AFTER_END
at
org.apache.calcite.avatica.util.IteratorCursor.current(IteratorCursor.java:71)
at
org.apache.calcite.avatica.util.PositionedCursor$ArrayGetter.getObject(PositionedCursor.java:55)
... 23 common frames omitted
See attached template for a test configuration.
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