[NIFI-8774] NullPointerException on startup for Stateless NiFi

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.14.0
• Component/s: NiFi Stateless
• Assignee: Mark Payne
• Reporter: Mark Payne
• Created: 09/Jul/21 23:50
• Updated: 10/Jul/21 01:57
• Resolved: 10/Jul/21 01:57

Description

When attempting to run any flow in stateless, I encounter a NullPointerException:

2021-07-09 19:40:27,959 INFO [main] o.a.n.s.f.StandardStatelessDataflowFactory Setting java.security.krb5.conf to /etc/krb5.conf
Exception in thread "main" java.lang.NullPointerException
	at org.apache.nifi.groups.StandardProcessGroup.<init>(StandardProcessGroup.java:282)
	at org.apache.nifi.groups.StandardProcessGroup.<init>(StandardProcessGroup.java:247)
	at org.apache.nifi.stateless.engine.StatelessFlowManager.createProcessGroup(StatelessFlowManager.java:217)
	at org.apache.nifi.stateless.flow.StandardStatelessDataflowFactory.createDataflow(StandardStatelessDataflowFactory.java:219)
	at org.apache.nifi.stateless.bootstrap.StatelessBootstrap.createDataflow(StatelessBootstrap.java:66)
	at org.apache.nifi.stateless.bootstrap.RunStatelessFlow.createDataflow(RunStatelessFlow.java:94)
	at org.apache.nifi.stateless.bootstrap.RunStatelessFlow.main(RunStatelessFlow.java:56)

Issue Links

• links to: GitHub Pull Request #5208