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https://issues.apache.org/jira/browse/NIFI-8614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17347187#comment-17347187
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ASF subversion and git services commented on NIFI-8614:
-------------------------------------------------------

Commit a223f1e71f809893cdb702380e929e5206512e0b in nifi's branch 
refs/heads/main from David Handermann
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=a223f1e ]

NIFI-8614 Updated FileBasedClusterNodeFirewallFactoryBean to return default 
implementation

- FileBasedClusterNodeFirewallFactoryBean returns PermitAllClusterNodeFirewall 
instead of null to avoid having the Spring Framework return a NullBean in 
Spring Framework 5

Signed-off-by: Matthew Burgess <[email protected]>

This closes #5082


> Null Cluster Node Firewall fails to start on Spring 5
> -----------------------------------------------------
>
>                 Key: NIFI-8614
>                 URL: https://issues.apache.org/jira/browse/NIFI-8614
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.14.0
>            Reporter: David Handermann
>            Assignee: David Handermann
>            Priority: Major
>             Fix For: 1.14.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Following the upgrade to Spring Framework 5 in NIFI-8502, a cluster node can 
> fail start due to a null {{ClusterNodeFirewall}} object.  The 
> {{FileBasedClusterNodeFirewallFactoryBean}} returns null when no 
> configuration file exists, which causes ApplicationContext.getBean() to 
> return a {{NullBean}} in {{NodeClusterCoordinatorFactoryBean}}.



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