[
https://issues.apache.org/jira/browse/MDEP-598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16358617#comment-16358617
]
Sam Yi commented on MDEP-598:
-----------------------------
Steps to reproduce:
# Download portable-pypy @
[https://bitbucket.org/squeaky/portable-pypy/downloads/pypy-5.10.0-linux_x86_64-portable.tar.bz2]
# Run the following:
{code:java}
mvn install:install-file -DgroupId=com.github.squeaky-pl
-DartifactId=portable-pypy -Dversion=5.10.0
-Dfile=pypy-5.10.0-linux_x86_64-portable.tar.bz2 -DgeneratePom=true
-Dpackaging=tar.bz2{code}
# Include the following in your pom.xml:{code}
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>copy-pypy</id>
<phase>process-resources</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>com.github.squeaky-pl</groupId>
<artifactId>portable-pypy</artifactId>
<version>5.10.0</version>
<type>tar.bz2</type>
</artifactItem>
</artifactItems>
<outputDirectory>/tmp</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>{code}
> CLONE - Unpack goal fails in java versions earlier than 7
> ---------------------------------------------------------
>
> Key: MDEP-598
> URL: https://issues.apache.org/jira/browse/MDEP-598
> Project: Maven Dependency Plugin
> Issue Type: Bug
> Components: unpack
> Affects Versions: 2.10, 3.0.2
> Reporter: Sam Yi
> Assignee: Robert Scholte
> Priority: Major
>
> Cloning this ticket as the original was closed without resolution. This
> issue persists (even in 3.0.2), but it should be noted that it only seems to
> occur when unpacking tar.bz2 or tar.gz. I did some digging and found that
> MDEP-68 brought in plexus-archiver fix
> 271ba64cf6b2e303d473dab4bb0bf3640f22e46e. This commit modifies
> PlexusIoBzip2ResourceCollection and PlexusIoGzipResourceCollection to import
> org.codehaus.plexus.components.io.attributes.Java7AttributeUtils and
> org.codehaus.plexus.components.io.attributes.Java7FileAttributes which
> contains code that requires Java 7+.
>
> Original ticket description follows:
>
> When using the unpack goal with Java 1.5 or 1.6, the following error message
> will appear:
> {{[ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-dependency-plugin:2.10:unpack (unpack) on
> project ID-JRE_8.0: Execution unpack of goal
> org.apache.maven.plugins:maven-dependency-plugin:2.10:unpack failed: An API
> incompatibility was encountered while executing
> org.apache.maven.plugins:maven-dependency-plugin:2.10:unpack:
> java.lang.NoSuchMethodError: java.io.File.toPath()Ljava/nio/file/Path;}}
> This is obviously calling a method introduced in Java 7. This contradicts the
> about page[1] that indicates that JDK 1.5 is the minimum required.
> This bug does not appear until version 2.10. Version 2.9 works fine.
> [1]
> [http://maven.apache.org/plugins-archives/maven-dependency-plugin-2.10/project-summary.html]
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