[ https://issues.apache.org/jira/browse/NIFI-9834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mark Payne updated NIFI-9834: ----------------------------- Status: Patch Available (was: Open) > ExecuteStateless fails when the output 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 > Assignee: Mark Payne > Priority: Major > Time Spent: 10m > Remaining Estimate: 0h > > 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} -- This message was sent by Atlassian Jira (v8.20.1#820001)