[jira] (MNG-3131) Error message is misleading if a missing plugin parameter is of a type like List

["Robert Scholte (JIRA)" <ji...@codehaus.org>]

     [ https://jira.codehaus.org/browse/MNG-3131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Scholte closed MNG-3131.
-------------------------------

    Resolution: Fixed

Fixed in [r.f6f4ef5e|http://git-wip-us.apache.org/repos/asf?p=maven.git;a=commit;h=f6f4ef5e]
                
> Error message is misleading if a missing plugin parameter is of a type like List
> --------------------------------------------------------------------------------
>
>                 Key: MNG-3131
>                 URL: https://jira.codehaus.org/browse/MNG-3131
>             Project: Maven 2 & 3
>          Issue Type: Bug
>            Reporter: Dennis Lundberg
>            Assignee: Robert Scholte
>             Fix For: 3.1.0
>
>
> Here is a sample output I got when I was working on the changes-plugin:
> {code}
> [INFO] One or more required plugin parameters are invalid/missing for 'changes:announcement-mail'
> [0] inside the definition for plugin: 'maven-changes-plugin'specify the following:
> <configuration>
>   ...
>   <smtpHost>VALUE</smtpHost>
> </configuration>.
> [1] inside the definition for plugin: 'maven-changes-plugin'specify the following:
> <configuration>
>   ...
>   <toAddresses>VALUE</toAddresses>
> </configuration>.
> {code}
> Notice the second parameter toAdresses. It is of the type List, so the correct configuration would be something like this
> {code}
> <configuration>
>   ...
>   <toAddresses>
>     <toAddress>VALUE</toAddress>
>   </toAddresses>
> </configuration>.
> {code}
> I haven't found where in the code base the handling of List/Map/Array parameters is. That code could probably be borrowed/reused in maven-core/src/main/java/org/apache/maven/plugin/PluginParameterException.java which is the class responsible for formating the above messages.

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