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https://issues.apache.org/jira/browse/NIFI-806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre Villard resolved NIFI-806.
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Resolution: Cannot Reproduce
> Starting an invalid processor has different behavior if processor is selected
> or not
> ------------------------------------------------------------------------------------
>
> Key: NIFI-806
> URL: https://issues.apache.org/jira/browse/NIFI-806
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 0.2.1
> Reporter: Dan Bress
> Priority: Minor
> Labels: logging
>
> The behavior of how the application reports problems with a processor in the
> log is slightly different depending on whether or not you have a processor
> selected when you hit the "start" button.
> Steps to reproduce
> 1) drag an update attribute
> 2) set "success" to auto terminate
> 3) drag a new update attribute
> 4) click on the graph such that no processors are selected
> 5) press "start" in the toolbar
> 6) observe in nifi-app.log an exception stack trace is printed
> 7) press stop
> 8) select both processors
> 9) press "start" in the toolbar
> 10) observe in nifi-app.log there is no stack trace
> Not sure which behavior is correct. Generally the app leans towards not
> printing stack traces, so I might vote to follow that precedent.
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