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From "Michael Osipov (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (MPH-99) Evaluate has no output in quiet mode
Date Mon, 17 Oct 2016 18:19:58 GMT

    [ https://issues.apache.org/jira/browse/MPH-99?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15582990#comment-15582990
] 

Michael Osipov edited comment on MPH-99 at 10/17/16 6:19 PM:
-------------------------------------------------------------

I fully agree on this but this is not fully true. {{slf4j-simple}} does not do this. It writes
all type of log messages to [one stream|https://github.com/qos-ch/slf4j/blob/master/slf4j-simple/src/main/java/org/slf4j/impl/SimpleLogger.java#L205]
and not to {{stdout}} *and* {{stderr}}.


was (Author: michael-o):
I fully agree on this but this is not fully true. {{slf4j-simple}} does not do this. It writes
all type of log messages to [one stream|https://github.com/qos-ch/slf4j/blob/master/slf4j-simple/src/main/java/org/slf4j/impl/SimpleLogger.java#L205]
and not to {{stdout}} **and** {{stderr}}.

> Evaluate has no output in quiet mode
> ------------------------------------
>
>                 Key: MPH-99
>                 URL: https://issues.apache.org/jira/browse/MPH-99
>             Project: Maven Help Plugin
>          Issue Type: Bug
>          Components: evaluate
>    Affects Versions: 2.2
>            Reporter: Alexandre Garnier
>            Assignee: Guillaume Boué
>             Fix For: 2.2.1
>
>         Attachments: output_on_quiet.patch
>
>
> When using {{help:evaluate}} in normal mode, the evaluation result is lost in a lot of
Maven {{[INFO\]}} :
> {code:language=bash}
> $ mvn help:evaluate -Dexpression=project.version
> [INFO] Scanning for projects...
> [INFO]
> [INFO] ------------------------------------------------------------------------
> [INFO] Building myProject 1.0.0
> [INFO] ------------------------------------------------------------------------
> [INFO]
> [INFO] --- maven-help-plugin:2.2:evaluate (default-cli) @ myProject ---
> [INFO] No artifact parameter specified, using 'com.test:myProject:pom:1.0.0' as project.
> [INFO]
> 1.0.0
> [INFO] ------------------------------------------------------------------------
> [INFO] BUILD SUCCESS
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 1.216s
> [INFO] Finished at: Fri Feb 07 10:32:22 CET 2014
> [INFO] Final Memory: 21M/224M
> [INFO] ------------------------------------------------------------------------
> $ 
> {code}
> I was hoping that launching Maven in quiet mode would avoid all the logs and only display
the evaluation result, but there is just no output at all.
> {code:language=bash}
> $ mvn --quiet help:evaluate -Dexpression=project.version
> $ 
> {code}
> In attachment, a patch to use sysout instead of logging for evaluation output.



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