[jira] [Created] (NIFI-6575) nifi-stateless flows with nested process groups fail to initialize

[David Kegley (Jira)]

David Kegley created NIFI-6575:
----------------------------------

             Summary: nifi-stateless flows with nested process groups fail to 
initialize
                 Key: NIFI-6575
                 URL: https://issues.apache.org/jira/browse/NIFI-6575
             Project: Apache NiFi
          Issue Type: Bug
            Reporter: David Kegley
         Attachments: 1_root.png, 2_nested_pg.png, 3_debug_proc.png

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.

 
{code:java}
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
{code}



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