When executing Groovy script from Maven I get the following error:
[ERROR] Failed to execute goal org.codehaus.groovy.maven:gmaven-plugin:1.0:execute (default) on project /path/to/project: org.codehaus.groovy.runtime.metaclass.MissingPropertyExceptionNoStack: No such property: project for class: /path/to/groovy/script/Example -> [Help 1]
I searched for possible cause and solution, but still don't understand what am I doing wrong and how to fix it. My script works fine when I execute it standalone or via ANT script.
Here is the script:
class Example {
public static void main(String[] args){
new Example().show();
}
def show() {
println 'Hello World'
}
}
And this is how I am calling it:
<dependencies>
<dependency>
<groupId>org.codehaus.gmaven.runtime</groupId>
<artifactId>gmaven-runtime-1.7</artifactId>
<version>1.3</version>
<exclusions>
<exclusion>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>1.7.6</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.groovy.maven</groupId>
<artifactId>gmaven-plugin</artifactId>
<executions>
<execution>
<phase>generate-resources</phase>
<goals>
<goal>execute</goal>
</goals>
<configuration>
<source>${pom.basedir}/path/to/script/Test.groovy</source>
</configuration>
</execution>
</executions>
</plugin>
Add your scripts directly to Example.groovy
file, as long as you are able to access the default variables, instead of making it a POGO.
The script eventually compile down to a groovy class by itself with the same name as the file name (in this case Example
). I am skeptical about the whole idea of class and psvm. :-)
//Example.groovy
println 'hello world'
println "$project"
println "$session"
println "$settings"