Jenkins Plugin Builds - Maven vs Gradle

Nick Grealy

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Sep 19, 2015, 4:20:04 AM9/19/15

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Hi all,

RE: https://jenkins.ci.cloudbees.com/job/plugins builds

I'm using gradle (gradle-jpi-plugin) to build the groovy-events-listener-plugin. As far as I can tell, the Jenkins build server only supports building plugins using maven.

To this end, I've created a dummy pom.xml file, which basically disables the maven build steps, and invokes gradle build tasks instead - to get the build passing.

My questions:

a) Am I able to modify Jenkins cloudbees job/s, to build using gradle instead of maven?

b) Is there a plan to change Jenkins, to allow building using gradle?

c) Is the method I've adopted (maven wrapper for gradle), the best way of "working around" this issue?

Kind regards,

Nick

Richard Bywater

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Sep 19, 2015, 5:13:09 AM9/19/15

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The gradle-jpi-plugin uses Gradle to build itself as far as I can tell so its possible. I'm guessing that someone with the correct rights needs to update the job accordingly.

(Interestingly the Gradle plugin doesn't actually use Gradle and only uses Maven. That seems a little odd :) )

Richard.

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Nick Grealy

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Sep 20, 2015, 7:27:44 PM9/20/15

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Just ran into an issue (which I guess is related)...

I attempted to create a "wrapper" pom.xml file for a second project, and am now getting the following error, ONLY when executing on the Jenkins CI server...

What's confusing is that the "mvn clean install" build passes when running locally (can't reproduce), and passes for an almost identical project (https://jenkins.ci.cloudbees.com/job/plugins/job/groovy-events-listener-plugin/10/console)

Any help is greatly appreciated!

https://jenkins.ci.cloudbees.com/job/plugins/job/poll-mailbox-trigger-plugin/72/console

[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 58.301 s
[INFO] Finished at: 2015-09-20T18:09:19-05:00
[INFO] Final Memory: 24M/112M
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data
[ERROR] Failed to execute goal org.fortasoft:gradle-maven-plugin:1.0.5:invoke (default) on project poll-mailbox-trigger-plugin: org.gradle.tooling.BuildException: Could not execute build using Gradle distribution 'http://services.gradle.org/distributions/gradle-2.7-bin.zip'. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.fortasoft:gradle-maven-plugin:1.0.5:invoke (default) on project poll-mailbox-trigger-plugin: org.gradle.tooling.BuildException: Could not execute build using Gradle distribution 'http://services.gradle.org/distributions/gradle-2.7-bin.zip'.
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:108)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
	at org.jvnet.hudson.maven3.launcher.Maven32Launcher.main(Maven32Launcher.java:132)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:330)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:238)
	at jenkins.maven3.agent.Maven32Main.launch(Maven32Main.java:181)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at hudson.maven.Maven3Builder.call(Maven3Builder.java:136)
	at hudson.maven.Maven3Builder.call(Maven3Builder.java:71)
	at hudson.remoting.UserRequest.perform(UserRequest.java:121)
	at hudson.remoting.UserRequest.perform(UserRequest.java:49)
	at hudson.remoting.Request$2.run(Request.java:325)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.maven.plugin.MojoFailureException: org.gradle.tooling.BuildException: Could not execute build using Gradle distribution 'http://services.gradle.org/distributions/gradle-2.7-bin.zip'.
	at org.fortasoft.maven.plugin.gradle.GradleMojo.execute(GradleMojo.java:264)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
	... 30 more
[ERROR] 
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[JENKINS] Archiving /scratch/jenkins/workspace/plugins/poll-mailbox-trigger-plugin/pom.xml to org.jenkins-ci.plugins/poll-mailbox-trigger-plugin/1.000-MAVEN_TEST_ONLY/poll-mailbox-trigger-plugin-1.000-MAVEN_TEST_ONLY.pom

Vincent Latombe

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Sep 21, 2015, 8:41:34 AM9/21/15

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Hi Nick,

I have replaced your two existing maven jobs by gradle jobs. Sorry about the setback. I have also updated the wiki documentation to mention the possibility, but currently this operation must be done manually.

https://jenkins.ci.cloudbees.com/job/plugins/job/groovy-events-listener-plugin/

https://jenkins.ci.cloudbees.com/job/plugins/job/poll-mailbox-trigger-plugin/

Cheers,

Vincent

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Nick Grealy

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Sep 22, 2015, 12:20:07 AM9/22/15

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Not a problem, thank you very much!

(They look much healthier!)

https://jenkins.ci.cloudbees.com/job/plugins/job/groovy-events-listener-plugin/

https://jenkins.ci.cloudbees.com/job/plugins/job/poll-mailbox-trigger-plugin/

Kind regards,

Nick Grealy

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