NoClassDef found : PeopleService / SSO / Google Apps Integration (Pro)

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#1

Hello,

The Google Apps Integration (Pro), version 2.6.1 is not working on our wiki.
XWiki 15.10.7
Tomcat 8.5 (last version 8.5.99)
Java 11 (we’ll move up for XWiki 16…)

When connecting, it processes the login and password of the google account (google account pages).
But when redirecting to XWiki, the page is :
“Authentification Google Apps”

with this message :

Erreur dans l'exécution de la macro [velocity]. Cause : 
[Could not initialize class com.google.api.services.people.v1.PeopleService]. 
Cliquer sur ce message pour voir plus de détails.

The class : com.google.api.services.people.v1.PeopleService
is not found.

And the details (extract of the whole java exception) :

java.lang.NoClassDefFoundError: Could not initialize class com.google.api.services.people.v1.PeopleService
 at com.google.api.services.people.v1.PeopleService$Builder.build(PeopleService.java:2496)
 at com.google.api.services.people.v1.PeopleService$Builder$build$0.call(Unknown Source)
 at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
 at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
 at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:130)
 at GoogleAppsGroovy.updateUser(Script_765581af138cbaea069885f002925edc.groovy:348)
 at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
 at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)
 at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)
 at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
 at org.apache.velocity.Template.merge(Template.java:358)
 at org.apache.velocity.Template.merge(Template.java:262)
 at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:225)

It seems it does not find one lib,…
Suprising ! ???

I have checked the installation of the extension,
and deleted it, and reinstalled it.
Same error.

The dependencies tab shows :

Cette extension dépend de:

Is there a extension dependance missing ?

Where does this error come from ?
How to investigate, or solve this ?

Please, any help…

#2

This is the forum for the xwiki.org community and not really the right place to get support for paid apps from XWiki SAS. While employees of XWiki SAS (like me) regularly visit this forum, it would be best to contact XWiki SAS, the company developing this extension, directly. If you have bought this extension, the license comes with a support contract, providing you the ability to get direct professional support from XWiki SAS. If not, you could also report an issue in the issue tracker of the app. If in doubt, please contact XWiki SAS.

#3

Thank you !
I did not know about this.
I’ll see with the support… and may come back here to write the solution, if it is interesting for general use of XWiki…