Hi there,
I'm trying to get a very simple utility mojo working which will essentially
start off by doing an scp (hopefully utilising wagon-maven-download:download
programatically in java) and then doing some further custom processing on the
zip/tar.
I'm obviously missing something basic, however, as I can't seem to do in java
what is quite simple in a pom plugin execution[1]. Hopefully someone can point
me in the right direction.
Essentially my Mojo has:
/**
* @goal some-goal
* @requiresDirectInvocation true
* @requiresProject false
*/
i.e., I want to be able to run this outside of a project (like one does for
archetype:generate). I'm subclassing AbstractWagonMojo but neither 'settings'
nor 'wagonManager' have been initialised when execute starts to run. Any ideas
why?
Thus when I call createWagon(serverId, url) I get a NullPointerException:
org.apache.maven.plugin.MojoExecutionException: Unable to create a Wagon
instance for scp://foo.bar.net/
at
org.codehaus.mojo.wagon.AbstractWagonMojo.createWagon(AbstractWagonMojo:83)
<...>
Caused by: java.lang.NullPointerException
at
org.apache.maven.artifact.manager.DefaultWagonManager.getWagon(DefaultWagonManager.java:143)
at
org.apache.maven.artifact.manager.DefaultWagonManager.getWagon(DefaultWagonManager.java:128)
at
org.codehaus.mojo.wagon.shared.WagonUtils.createWagon(AbstractWagonMojo:53)
at
org.codehaus.mojo.wagon.AbstractWagonMojo.createWagon(AbstractWagonMojo:79)
... 21 more
Essentially,
- how do I utilise scp via a wagon programatically?
- why do the following variables remain null if @requiresProject false is set?
/**
* @component
*/
protected WagonManager wagonManager;
/**
* @parameter expression="${settings}"
* @readonly
*/
protected Settings settings;
Thanks!
with regards,
--
Lachlan Deck
[1]
<build>
...
<extensions>
<extension>
<groupId>org.apache.maven.wagon</groupId>
<artifactId>wagon-ssh</artifactId>
<version>1.0-beta-6</version>
</extension>
</extensions>
<plugins>
...
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>wagon-maven-download</artifactId>
<version>1.0-beta-3</version>
<executions>
<execution>
<id>foo</id>
<phase>verify</phase>
<goals>
<goal>download</goal>
</goals>
<configuration>
<serverId>bar</serverId>
<url>scp://bar.foo.net/</url>
<fromDir>/some/dir/</fromDir>
<includes>myzip.zip</includes>
<toDir>/tmp</toDir>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
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