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https://jira.codehaus.org/browse/MJAR-139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Rekveld updated MJAR-139:
------------------------------
Attachment: MJAR-139.patch
I took a look at the code and found a simple way to get this fixed.
In the {{AbstractJarMojo}} class, I added a parameter called {{skipIfEmpty}}
with a default value of false, this so not the change the behavior if the
parameter is not set.
If this flag is set to {{true}} and the {{getClassesDirectory()}} method
returns a directory that doesn't exist, then the archive creation will be
skipped.
But if it is set to {{false}} (or default) then the archive will be created
even if it is empty.
(i) This also applies to the jar goal.
Please take a look at the attached patch, no tests included.
I have deployed this patch in the 2.3.1-marvelution-1 version of the plugin
that is available here:
http://repository.marvelution.com/content/repositories/releases/
Cheers,
Mark
> New option to avoid empty jar creation
> --------------------------------------
>
> Key: MJAR-139
> URL: https://jira.codehaus.org/browse/MJAR-139
> Project: Maven 2.x JAR Plugin
> Issue Type: Improvement
> Affects Versions: 2.3.1
> Reporter: Roman Ivanov
> Attachments: MJAR-139.patch
>
>
> Usage of "test-jar" is beneficial for all project, as all of them have tests.
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-jar-plugin</artifactId>
> <version>2.3.1</version>
> <executions>
> <execution>
> <goals>
> <goal>test-jar</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> Pom artifacts and some jar artifacts does not have test and will never have
> them.
> In logs we have: "[WARNING] JAR will be empty - no content was marked for
> inclusion!"
> and empty and useless artifacts are created, deployed , ...
> It will be convenient to have an plugin option to define whether skip empty
> jar creation and warning or generate jar with warning in log. Does it make
> sense ?
> By default option will be FALSE, to comply with previous behavior.
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