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https://jira.codehaus.org/browse/MRESOURCES-160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=293614#comment-293614
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Laurent Malvert edited comment on MRESOURCES-160 at 3/7/12 7:57 PM:
--------------------------------------------------------------------
Might be more an enhancement than a bug as the [goal's
documentation|http://maven.apache.org/plugins/maven-resources-plugin/copy-resources-mojo.html]
indicates that this is a required parameter.
So it appears the the documentation on the maven site is wrong (actually, mayve
it's just badly worded:
{quote}
[...] The default directory for a build is {{$\{basedir\}/src/main/resources}}.
{quote}
Maybe the intent was to say that this is where resources are usually located,
not exactly that the default value for {{directory}} is supposed to be this.
However, it shouldn't really fail with an NPE without giving any helpful
information.
**Careful:** in my ticket above I mention {{outputDirectory}}. Obviously I
meant {{directory}}, as shown in the example project's configuration. Sorry for
the confusion.
was (Author: laurent.malvert):
Might be more an enhancement than a bug as the [goal's
documentation|http://maven.apache.org/plugins/maven-resources-plugin/copy-resources-mojo.html]
indicates that this is a required parameter.
So it appears the the documentation on the maven site is wrong (actually, mayve
it's just badly worded:
{quote}
[...] The default directory for a build is {{$\{basedir\}/src/main/resources}}.
{quote}
Maybe the intent was to say that this is where resources are usually located,
not exactly that the default value for {{directory}} is supposed to be this.
However, it shouldn't really fail with an NPE without giving any helpful
information.
> NPE when copy-resources set to use the default <outputDirectory> as
> aspecified by documentation
> -----------------------------------------------------------------------------------------------
>
> Key: MRESOURCES-160
> URL: https://jira.codehaus.org/browse/MRESOURCES-160
> Project: Maven 2.x Resources Plugin
> Issue Type: Bug
> Components: copy
> Affects Versions: 2.5
> Environment: Windows 7 64 bits
> Java 1.6.0_31 x64
> maven 3.0.4
> Reporter: Laurent Malvert
> Attachments: error.log, resources-npe.tar.gz
>
>
> h2. Context and Issue
> When using the {{maven-resources-plugin}} to copy a resource to a custom
> directory using the {{copy-resources}} goal, it triggers an NPE without any
> additional information when the {{<outputDirectory>}} element is not
> specified:
> {noformat}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-resources-plugin:2.5:copy-resources
> (copy-resources) on project NPEResourcesBug: Execution copy-resources of goal
> org.apache.maven.plugins:maven-resources-plugin:2.5:copy-resources failed.
> NullPointerException -> [Help 1]
> {noformat}
> However, the documentation at: http://maven.apache.org/pom.html#Resources
> clearly states:
> {quote}
> directory: This element's value defines where the resources are to be found.
> The default directory for a build is ${basedir}/src/main/resources.
> {quote}
> Specifying it explictly with this value works as intended.
> _(Not sure if relevant to maven-resources-plugin or the MSHARED resources
> component?)_
> h2. Test Case
> Or at leat a project to reproduce.
> See the attached project for a working test case, which uses this
> configuration:
> {code}
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-resources-plugin</artifactId>
> <version>2.5</version>
> <executions>
> <execution>
> <id>copy-resources</id>
> <phase>validate</phase>
> <goals>
> <goal>copy-resources</goal>
> </goals>
> <configuration>
> <outputDirectory>
> ${basedir}/resources
> </outputDirectory>
> <resources>
> <resource>
> <!--
> works when included explictly set,
> NPE otherwise, though documentation
> at:
>
> http://maven.apache.org/pom.html#Resources
> really mentions:
> "directory: This element's
> value defines where the
> resources are to be found. The
> default directory for a build
> is
> ${basedir}/src/main/resources."
> -->
> <!--
>
> <directory>${basedir}/src/main/resources</directory>
> -->
> <includes>
> <include>**/somefile.xml</include>
> </includes>
> </resource>
> </resources>
> </configuration>
> </execution>
> </executions>
> </plugin>
> {code}
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