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Posted to issues@nifi.apache.org by "Mark Payne (Jira)" <ji...@apache.org> on 2022/01/05 21:29:00 UTC
[jira] [Updated] (NIFI-9222) ControllerStatusReportingTask NullPointerException when trying to printCounterStatus
[ https://issues.apache.org/jira/browse/NIFI-9222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mark Payne updated NIFI-9222:
-----------------------------
Fix Version/s: 1.16.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> ControllerStatusReportingTask NullPointerException when trying to printCounterStatus
> ------------------------------------------------------------------------------------
>
> Key: NIFI-9222
> URL: https://issues.apache.org/jira/browse/NIFI-9222
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.14.0
> Reporter: Chris Sampson
> Assignee: Chris Sampson
> Priority: Major
> Fix For: 1.16.0
>
> Attachments: NIFI-9222.json
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> After upgrading to 1.14.0 (from 1.13.0), we're seeing the following stacktrace every 5 minutes (with a ControllerStatusReportingTask configured to execute in the cluster every 5 minutes):
> {code:java}
> 2021-09-16 15:32:30,665 ERROR [Timer-Driven Process Thread-6] o.a.n.c.ControllerStatusReportingTask ControllerStatusReportingTask[id=c0c4e9cf-017b-1000-ffff-ffff83166400] : java.lang.NullPointerException
> java.lang.NullPointerException: null
> at org.apache.nifi.controller.ControllerStatusReportingTask.printCounterStatus(ControllerStatusReportingTask.java:207)
> at org.apache.nifi.controller.ControllerStatusReportingTask.printCounterStatus(ControllerStatusReportingTask.java:233)
> at org.apache.nifi.controller.ControllerStatusReportingTask.printCounterStatus(ControllerStatusReportingTask.java:233)
> at org.apache.nifi.controller.ControllerStatusReportingTask.printCounterStatus(ControllerStatusReportingTask.java:233)
> at org.apache.nifi.controller.ControllerStatusReportingTask.printCounters(ControllerStatusReportingTask.java:196)
> at org.apache.nifi.controller.ControllerStatusReportingTask.onTrigger(ControllerStatusReportingTask.java:151)
> at org.apache.nifi.controller.tasks.ReportingTaskWrapper.run(ReportingTaskWrapper.java:44)
> 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}
> Looking at the [source code|https://github.com/apache/nifi/blob/rel/nifi-1.14.0/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-reporting-tasks/src/main/java/org/apache/nifi/controller/ControllerStatusReportingTask.java#L207], I'd guess that a check for there being no counters in the processorStatus would be sensible, e.g.
> {code:java}
> if (counters != null && !counters.isEmpty) { ... }
> {code}
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