Error message is misleading if a missing plugin parameter is of a type like List
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Key: MNG-3131
URL: http://jira.codehaus.org/browse/MNG-3131
Project: Maven 2
Issue Type: Bug
Reporter: Dennis Lundberg
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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