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https://issues.apache.org/jira/browse/NIFI-6575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Kegley updated NIFI-6575:
-------------------------------
Priority: Minor (was: Major)
> 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
> Priority: Minor
> 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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