Archetype generation fails with maven-archetype-plugin 3.2.1

[stefanseifert]

When creating a new AEM project without actually specifying an archetype plugin version on the command line, Maven uses the latest by default. And this is currently failing with the latest version 3.2.1 released a few days ago.

Exception:

[ERROR] groovy.lang.GroovyRuntimeException: Conflicting module versions. Module [groovy-all is loaded in version 2.4.16 and you are trying to load version 2.4.8
[ERROR]         at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl$DefaultModuleListener.onModule(MetaClassRegistryImpl.java:529)
[ERROR]         at org.codehaus.groovy.runtime.m12n.ExtensionModuleScanner.scanExtensionModuleFromProperties(ExtensionModuleScanner.java:81)
[ERROR]         at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.registerExtensionModuleFromProperties(MetaClassRegistryImpl.java:174)
[ERROR]         at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl$registerExtensionModuleFromProperties.call(Unknown Source)
[ERROR]         at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
[ERROR]         at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
[ERROR]         at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:144)
[ERROR]         at groovy.grape.GrapeIvy.processCategoryMethods(GrapeIvy.groovy:290)
...

root cause is the change in the plugin dependencies for groovy in https://issues.apache.org/jira/browse/ARCHETYPE-565

[ziad-mesalmi]

@stefanseifert thanks, but which command should i do? to get download project without errors?

[ziad-mesalmi]

@stefanseifert
With the release 33 we have already 2.4.8 groovy
https://github.com/adobe/aem-project-archetype/blob/release/33/src/main/resources/META-INF/archetype-post-generate.groovy

[stefanseifert]

workaround: until the PR #858 is merged and released specify the maven archetype plugin version on the command line to create a new AEM project.

example:

mvn -B org.apache.maven.plugins:maven-archetype-plugin:3.2.0:generate \
 -D archetypeGroupId=com.adobe.aem \
 -D archetypeArtifactId=aem-project-archetype \
 -D archetypeVersion=33 \
 -D appTitle="My Site" \
 -D appId="mysite" \
 -D groupId="com.mysite"

[ziad-mesalmi]

@stefanseifert thanks a lot