[jira] [Resolved] (NIFI-6336) Improve startup error messages in log

["Mark Payne (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-6336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Payne resolved NIFI-6336.
------------------------------
    Fix Version/s: 1.11.0
       Resolution: Fixed

> Improve startup error messages in log
> -------------------------------------
>
>                 Key: NIFI-6336
>                 URL: https://issues.apache.org/jira/browse/NIFI-6336
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Configuration, Core Framework
>    Affects Versions: 1.9.2
>            Reporter: Andy LoPresto
>            Assignee: M Tien
>            Priority: Major
>              Labels: configuration, error, log, troubleshooting
>             Fix For: 1.11.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> We frequently have users who encounter startup errors due to configuration but can't understand the error messages to resolve the issues on their own. Improving the specific error messages, and providing context around them, would help users diagnose their own issues and supporters/community members offer better, more targeted solutions-oriented advice rather than having to ask investigatory questions and wait for synchronous conversations. 
> Example issue where one of the ports (not clear from error messages) isn't specified in a cluster {{nifi.properties}} configuration file so the application fails to start up (happened during 1.7.1 to 1.9.2 migration). 
> {code}
> Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flowService': FactoryBean threw exception on object creation; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flowController' defined in class path resource [nifi-context.xml]: Cannot resolve reference to bean 'clusterCoordinator' while setting bean property 'clusterCoordinator'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'clusterCoordinator': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalArgumentException: Port must be inclusively in the range [1, 65535].  Port given: 0
> {code}
> At least including the {{nifi.properties}} property/key in this error would make the issue and solution much clearer. 



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