gistfile1.txt

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Maven version: 2.0.10
Java version: 1.6.0_11
OS name: "windows xp" version: "5.1" arch: "x86" Family: "windows"

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pom.xml:
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>org.jamescarr</groupId>
	<artifactId>foo</artifactId>
	<version>0.0.1-SNAPSHOT</version>

	<build>
		<finalName>advancement</finalName>


		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-dependency-plugin</artifactId>
				<executions>
					<!-- copy and unpack advancement-common so it is included in the JAR -->
					<execution>
						<id>unpack-advancement-common-product-service-interfaces-and-relative-layout-and-jsci-core</id>
						<phase>process-classes</phase>
						<goals>
							<goal>unpack</goal>
						</goals>
						<configuration>
							<artifactItems>
								<artifactItem>
									<groupId>${project.groupId}</groupId>
									<artifactId>advancement-common</artifactId>
									<version>${project.version}</version>
									<type>jar</type>
									<overWrite>true</overWrite>
									<outputDirectory>${project.build.outputDirectory}</outputDirectory>
								</artifactItem>
							</artifactItems>
						</configuration>
					</execution>
				</executions>
			</plugin>

		</plugins>
	</build>

</project>


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mvn dependency:unpack output:
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[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix: 'dependency'.
[INFO] ------------------------------------------------------------------------
[INFO] Building Unnamed - org.jamescarr:foo:jar:0.0.1-SNAPSHOT
[INFO]    task-segment: [dependency:unpack]
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] One or more required plugin parameters are invalid/missing for 'dependency:unpack'

[0] Inside the definition for plugin 'maven-dependency-plugin' specify the following:

<configuration>
  ...
  <artifactItems>VALUE</artifactItems>
</configuration>.

[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3 seconds
[INFO] Finished at: Fri Mar 19 10:46:11 CDT 2010
[INFO] Final Memory: 8M/19M
[INFO] ------------------------------------------------------------------------