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https://issues.apache.org/jira/browse/NIFI-2905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15603869#comment-15603869
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Koji Kawamura commented on NIFI-2905:
-------------------------------------
[~JPercivall] Thanks for catching that. I took a look on that and find there is
an async call to execute process in another thread and somehow the log was not
written, before the main thread to check the log count. I'll investigate more
and will send a separate PR to address this.
> ExecuteProcess should log error stream instead of ignoring it
> -------------------------------------------------------------
>
> Key: NIFI-2905
> URL: https://issues.apache.org/jira/browse/NIFI-2905
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Koji Kawamura
> Assignee: Koji Kawamura
> Fix For: 1.1.0
>
>
> When a command executed by ExecuteProcess processor didn't work properly and
> emitted error messages to error stream, but the processor's configured with
> 'Redirect Error Stream' as 'false' (default), then the error messages are
> ignored, thus there's no way for user to see what went wrong.
> It can provide better UX by logging error stream as WARN level so that user
> can see it on bulletin.
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