[groovy-user] Jenkins and Grapes and CLASSPATH, oh my!
Brian Brown
Hello All,
I'm using Groovy 2.2.2 on Windows 7 64-bit. My Java version is 1.7.0_45
I'm using the @Grab annotation to grab things I need to run my scripts, and it dutifully downloads everything I put in my annotations, which I can verify in ~/.groovy/grapes (really %UserProfile%.groovy\grapes).
I'm programmatically using TestNG and ReportNG, and I'm using the latest versions (testng-6.8.8.jar and reportng-1.1.4.jar - I removed testng-6.8.5 from GROOVY_HOME/lib).
When I try to run my testRunner.groovy file, it downloads the jars and complained about not finding com.google.inject.Module, so I added guice-2.0, and it also in fact is properly installed in by grapes folder.
If I run this code in groovy, the output shows nothing related to grapes (not sure if it should)
def printClassPath(classLoader) {
println "$classLoader"
classLoader.getURLs().each {url->
println "- ${url.toString()}"
}
if (classLoader.parent) {
printClassPath(classLoader.parent)
}
}
printClassPath this.class.classLoader
so, even though it downloaded and installed the jar in the grapes folder properly, it doesn't find it. IF, however, I simply copy guice-2.0.jar to GROOVY_HOME/lib, everything works.
The goal is to run this from jenkins, and after I copied the file above, it works fine from jenkins, but I want the Grapes functionality so rolling out new slaves is simpler affair.
And thoughts on what it is I'm missing about how this should work?
Thanks!
- Brian
Brian Brown
A couple of things to note:
testng-6.8.8.jar and reportng-1.1.4.jar are not in my GROOVY_HOME/lib folder, they are only in the ~/.groovy/grapes folder, and they resolve just fine! Also, I have no ~/.groovy/lib, so I've verified that there not extra jar files floating around.
- Brian
Paul King
What happens if you use the following script as your test (in a file TestNG.groovy):
==============>8===============
@Grab('org.codehaus.groovy:groovy-testng:2.2.2')
//@Grab('org.testng:testng:6.8.8')
@Grab('com.google.inject:guice:2.0')
@GrabConfig(systemClassLoader=true)
import org.testng.annotations.Test
class TestNG {
@Test
void "check string size"() {
assert 'foo'.size() == 3
}
}
==============>8===============
I was just using the TestNG versions which came with Groovy 2.2.2 as a starting point, then try uncommenting the commented out Grab and see if it still works.
Cheers, Paul.
On 7/03/2014 7:56 AM, Brian Brown wrote:
> A couple of things to note:
>
> testng-6.8.8.jar and reportng-1.1.4.jar are not in my GROOVY_HOME/lib folder, they are only in the ~/.groovy/grapes folder, and they resolve just fine! Also, I have no ~/.groovy/lib, so I've verified that there not extra jar files floating around.
>
> On 6 Mar 2014, at 14:53, Brian Brown wrote:
>
> Hello All,
>
> I'm using Groovy 2.2.2 on Windows 7 64-bit. My Java version is 1.7.0_45
>
> I'm using the @Grab annotation to grab things I need to run my scripts, and it dutifully downloads everything I put in my annotations, which I can verify in ~/.groovy/grapes (really %UserProfile%.groovy\grapes).
>
> I'm programmatically using TestNG and ReportNG, and I'm using the latest versions (testng-6.8.8.jar and reportng-1.1.4.jar - I removed testng-6.8.5 from GROOVY_HOME/lib).
>
> When I try to run my testRunner.groovy file, it downloads the jars and complained about not finding com.google.inject.Module, so I added guice-2.0, and it also in fact is properly installed in by grapes folder.
>
> If I run this code in groovy, the output shows nothing related to grapes (not sure if it should)
>
> def printClassPath(classLoader) {
> println "$classLoader"
> classLoader.getURLs().each {url->
> println "- ${url.toString()}"
> }
> if (classLoader.parent) {
> printClassPath(classLoader.parent)
> }
> }
> printClassPath this.class.classLoader
>
> so, even though it downloaded and installed the jar in the grapes folder properly, it doesn't find it. IF, however, I simply copy guice-2.0.jar to GROOVY_HOME/lib, everything works.
>
> The goal is to run this from jenkins, and after I copied the file above, it works fine from jenkins, but I want the Grapes functionality so rolling out new slaves is simpler affair.
>
> And thoughts on what it is I'm missing about how this should work?
>
> Thanks!
>
>
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Brian Brown
Can you shed some light on why this is the case?
thanks!
- Brian
>
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Paul King
You basically need the groovy-testng classes and the other testng related classes to be loaded from the same classloader. There are a couple of ways to do this. You might find that if your groovy isn't configured to use the groovy-all jar that you could just delete the groovy-testng jar from your distro and then you might not need the @GrabConfig annotation at all but it's usually best to leave the CI server distro in a default state and then using the @GrabConfig is the best way to go. Basically there is a classloader hierarchy in place - normally you can see things up the hierarchy but you can't go back down the hierarchy.
Cheers, Paul.