Re: java.lang.LinkageError for jakarta.faces.context.ExternalContext

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On Mon, Jul 24, 2023, 9:48 PM Milan Durovic <[email protected]> wrote:

> It seems that the JAR that was on
> workspace17/.metadata/.plugins/org.eclipse.wst.server.core/tmp3/wtpwebapps/bcorg-jpa/WEB-INF/lib/myfaces-api-3.0.2.jar
> was the culprit. I got suspicious about the JAR being mentioned twice.
>
> So, after manually deleting the file, the web app now starts normally!
> Excellent suggestion Jonathan, it provided the hint I was looking for.
>
> I still don’t know why that JAR was there (I didn’t put it in there), but
> maybe it’s from some earlier builds, who knows.
>
> Anyway, PROBLEM SOLVED!!
>
> Thanks for your help
>
> > On 25 Jul 2023, at 11:39 am, Milan Durovic <[email protected]> wrote:
> >
> > Ok, I added that option and got a lot more output (as expected), so the
> lines where jakarta.faces.context.ExternalContext is mentioned are:
> >
> > [0.408s][info][class,load] jakarta.faces.context.ExternalContext source:
> file:/Users/milan/workspace17/apache-tomee-webprofile-9.1.0/lib/myfaces-api-3.0.2.jar
> >
> > [1.669s][info][class,load] jakarta.faces.context.ExternalContext source:
> __JVM_DefineClass__
> >
> > [4.038s][info][class,load] jakarta.faces.context.ExternalContext source:
> file:/Users/milan/workspace17/.metadata/.plugins/org.eclipse.wst.server.core/tmp3/wtpwebapps/bcorg-jpa/WEB-INF/lib/myfaces-api-3.0.2.jar
> >
> > java.lang.LinkageError: loader constraint violation for class
> org.apache.tomee.myfaces.TomEEWebConfigProvider: when selecting overriding
> method 'java.util.List
> org.apache.tomee.myfaces.TomEEWebConfigProvider.getFacesServletMappings(jakarta.faces.context.ExternalContext)'
> the class loader org.apache.tomee.catalina.TomEEWebappClassLoader @2e5b7fba
> of the selected method's type
> org.apache.tomee.myfaces.TomEEWebConfigProvider, and the class loader
> java.net.URLClassLoader @7106e68e for its super type
> org.apache.myfaces.spi.impl.DefaultWebConfigProvider have different Class
> objects for the type jakarta.faces.context.ExternalContext used in the
> signature (org.apache.tomee.myfaces.TomEEWebConfigProvider is in unnamed
> module of loader org.apache.tomee.catalina.TomEEWebappClassLoader
> @2e5b7fba, parent loader java.net.URLClassLoader @7106e68e;
> org.apache.myfaces.spi.impl.DefaultWebConfigProvider is in unnamed module
> of loader java.net.URLClassLoader @7106e68e, parent loader 'app')
> >
> >
> >> On 25 Jul 2023, at 11:21 am, Jonathan S. Fisher <[email protected]>
> wrote:
> >>
> >> can you start your vm with -verbose:class and see if you can figure out
> >> which jar it's loaded the class from?
> >>
> >
>
>