I was having the same problem yesterday. I believe some of my local maven repo artefacts were corrupted. Deleting the .m2/repository folder and re-running mvn clean package fixed it. Hope that helpsBruno
Sent from Yahoo Mail on Android On Fri, 29 Dec 2017 at 6:31, Jean-Karlo Accetta<[email protected]> wrote: I'm trying to start development of a Jenkins plugin but I can't seem to get it started. I've tried following several of the tutorials on the Jenkins pages but the HPI ones end up with the console saying its deprecated and that I should use the archetypes. Those, in turn, end up giving me an error about the maven-enforcer-plugin. Here is the output when running "mvn package" on a project created the empty-plugin archetype: [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building TODO Plugin 1.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-hpi-plugin:2.1:validate (default-validate) @ sample --- [INFO] [INFO] --- maven-enforcer-plugin:3.0.0-M1:display-info (display-info) @ sample --- [INFO] Maven Version: 3.5.2 [INFO] JDK Version: 9.0.1 normalized as: 9.0.1 [INFO] OS Info: Arch: x86_64 Family: mac Name: mac os x Version: 10.13.2 [INFO] [INFO] --- maven-enforcer-plugin:3.0.0-M1:enforce (display-info) @ sample --- [INFO] Restricted to JDK 1.7 yet org.kohsuke.stapler:stapler-jrebel:jar:1.253:provided contains org/kohsuke/stapler/JRebelFacet$ReloaderHook$1.class targeted to JDK 1.8 [INFO] Restricted to JDK 1.7 yet org.kohsuke.stapler:stapler-groovy:jar:1.253:provided contains org/kohsuke/stapler/jelly/groovy/Namespace.class targeted to JDK 1.8 [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 3.200 s [INFO] Finished at: 2017-12-28T12:21:11-05:00 [INFO] Final Memory: 54M/180M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce (display-info) on project sample: Execution display-info of goal org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce failed.: NullPointerException -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [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/PluginExecutionException I have looked online all day since yesterday and haven't found any helpful information on how to fix this issue or how to at least work around it. I have tried setting the JAVA_HOME variable to both JDK 9.0.1 and JDK 1.8.0_152, while using Maven v3.5.2 and v3.5.0. Any help would be greatly appreciated; thanks in advance. -- You received this message because you are subscribed to the Google Groups "Jenkins Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-dev/21f2b298-44ff-456d-9ef5-64822739be14%40googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Jenkins Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-dev/1628811334.6136486.1514492052748%40mail.yahoo.com. For more options, visit https://groups.google.com/d/optout.
