Is "group" null?

~~ Robert.


On Wed, Jun 27, 2012 at 8:17 PM, lidia <lid...@gmail.com> wrote:
> Hi
>
> I'm trying to pass an argument from command line to a java class.  I
> followed this post:
> http://gradle.1045684.n5.nabble.com/Gradle-application-plugin-question-td5539555.html
> but the code does not work for me (perhaps it is not meant for JavaExec?).
> Here is what I tried:
>
> task listTests(type:JavaExec){
>    main = "util.TestGroupScanner"
>    classpath = sourceSets.util.runtimeClasspath
>    // this works...
>    args 'demo'
>    /*
>    // this does not work!
>    if (project.hasProperty("group")){
>        args group
>    }
>    */
> }
>
> The output from the above hard coded args value is:
>
> C:\ws\svn\sqe\sandbox\selenium2forbg\testgradle>g listTests
> :compileUtilJava UP-TO-DATE
> :processUtilResources UP-TO-DATE
> :utilClasses UP-TO-DATE
> :listTests
> Received argument: demo
>
> BUILD SUCCESSFUL
>
> Total time: 13.422 secs
>
>
> However, once I change the code to use the hasProperty section I get a
> NullPointerException:
>
> C:\ws\svn\sqe\sandbox\selenium2forbg\testgradle>g listTests -Pgroup=demo -s
>
> FAILURE: Build failed with an exception.
>
> * Where:
> Build file 'C:\ws\svn\sqe\sandbox\selenium2forbg\testgradle\build.gradle'
> line:
> 25
>
> * What went wrong:
> A problem occurred evaluating root project 'testgradle'.
>> java.lang.NullPointerException (no error message)
>
> * Try:
> Run with --info or --debug option to get more log output.
>
> * Exception is:
> org.gradle.api.GradleScriptException: A problem occurred evaluating root
> project
>  'testgradle'.
>        at
> org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptR
> unnerImpl.run(DefaultScriptRunnerFactory.java:54)
>        at
> org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.
> apply(DefaultScriptPluginFactory.java:127)
>        at
> org.gradle.configuration.BuildScriptProcessor.evaluate(BuildScriptPro
> cessor.java:38)
>
> I'm not sure what is wrong...  I'm attaching a simple test project, if
> anyone has an idea, please let me know
> http://gradle.1045684.n5.nabble.com/file/n5709919/testgradle.zip
> testgradle.zip .
>
> Thanks
> Lidia
>
> --
> View this message in context: 
> http://gradle.1045684.n5.nabble.com/Passing-argument-from-command-line-to-java-code-tp5709919.html
> Sent from the gradle-user mailing list archive at Nabble.com.
>
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