[MINIFI-550] Failed to capture component stats for Stats History

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.14.0
• Environment: Windows (Server 2013 till 10)
• Assignee: Unassigned
• Reporter: Rene Weidlinger
• Created: 08/Apr/21 05:58
• Updated: 28/Apr/21 15:56
• Resolved: 28/Apr/21 15:56

Description

Minifi throws this error every 60 seconds

 

2021-04-07 10:53:05,523 ERROR [Timer-Driven Process Thread-2] o.apache.nifi.controller.FlowController Failed to capture component stats for Stats History
java.lang.NullPointerException: null
	at org.apache.nifi.diagnostics.SystemDiagnostics.getOpenFileHandles(SystemDiagnostics.java:224)
	at org.apache.nifi.controller.FlowController.getNodeStatusSnapshot(FlowController.java:3056)
	at org.apache.nifi.controller.FlowController.access$400(FlowController.java:234)
	at org.apache.nifi.controller.FlowController$2.run(FlowController.java:708)
	at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

 

Issue Links

• is fixed by: NIFI-8400 SystemDiagnostics throws NPE on Windows