Peter Turcsanyi created NIFI-9834:
-------------------------------------
Summary: ExecuteStateless fails when the input FlowFile has no
content
Key: NIFI-9834
URL: https://issues.apache.org/jira/browse/NIFI-9834
Project: Apache NiFi
Issue Type: Bug
Reporter: Peter Turcsanyi
Stateless flow: Input port -> UpdateAttibute -> Output port
Executor flow: GenerateFlowFile -> ExecuteStateless -> LogAttribute
When GFF produces a FF with content => no error
When GFF produces empty FF =>
{code:java}
2022-03-24 21:15:38,536 ERROR [Timer-Driven Process Thread-8]
o.a.n.p.stateless.ExecuteStateless
ExecuteStateless[id=5bb8285e-36cb-3c02-0aeb-0bd7f61d91c8] Failed to process
session due to java.lang.NullPointerException; Processor Administratively
Yielded for 1 sec: java.lang.NullPointerException
java.lang.NullPointerException: null
at java.util.Objects.requireNonNull(Objects.java:203)
at
org.apache.nifi.stateless.repository.ByteArrayContentRepository.verifyClaim(ByteArrayContentRepository.java:243)
at
org.apache.nifi.stateless.repository.ByteArrayContentRepository.read(ByteArrayContentRepository.java:218)
at
org.apache.nifi.stateless.engine.StandardExecutionProgress$1.readContent(StandardExecutionProgress.java:189)
at
org.apache.nifi.processors.stateless.ExecuteStateless.createOutputFlowFiles(ExecuteStateless.java:691)
at
org.apache.nifi.processors.stateless.ExecuteStateless.runDataflow(ExecuteStateless.java:605)
at
org.apache.nifi.processors.stateless.ExecuteStateless.onTrigger(ExecuteStateless.java:506)
at
org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
at
org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1283)
at
org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:214)
at
org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:103)
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)
{code}
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