[NIFI-6575] nifi-stateless flows with nested process groups fail to initialize

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: NiFi Stateless
• Assignee: Unassigned
• Reporter: David Kegley
• Created: 20/Aug/19 18:49
• Updated: 21/Apr/20 08:08

Description

Creating a nifi-stateless flow with nested process groups causes the following exception during StatelessFlow initialization because one of the flow components fails the validation checks.

 

Exception in thread "main" java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.nifi.stateless.NiFiStateless.main(NiFiStateless.java:120)
Caused by: java.lang.IllegalArgumentException: DebugFlow[id=493e3f63-0d01-375f-a430-8d76ce272d9d] is not valid: 
	at org.apache.nifi.stateless.core.StatelessProcessorWrapper.initialize(StatelessProcessorWrapper.java:112)
	at org.apache.nifi.stateless.core.StatelessProcessorWrapper.runRecursive(StatelessProcessorWrapper.java:138)
	at org.apache.nifi.stateless.core.StatelessPassThroughComponent.runRecursive(StatelessPassThroughComponent.java:62)
	at org.apache.nifi.stateless.core.StatelessFlow.runOnce(StatelessFlow.java:359)
	at org.apache.nifi.stateless.runtimes.Program.runLocal(Program.java:146)
	at org.apache.nifi.stateless.runtimes.Program.launch(Program.java:68)
	... 5 more