Hello,

I really want to upgrade to T5.2 but have come across a bit of a hurdle.

I'm trying to add a bit of markup to *every* page. I've written a
mixin to supply the markup and am using a
ComponentClassTransformWorker to add the mixin to every page. This
worked flawlessly in T5.1.0.5 but in T5.2.0 I'm getting:

java.lang.NoSuchMethodError:
org.apache.tapestry5.model.MutableComponentModel.addMixinClassName(Ljava/lang/String;)V

It seems like the underlying page model in T5.2 doesn't yet support mixins!?

Is this expected behaviour and / or is there a better way of achieving
what I'm after?

I've tried adding a component instead but then I get a snobby:

Embedded component(s) XXXX are defined within component class
org.apache.tapestry5.corelib.pages.ExceptionReport (or a super-class
of ExceptionReport), but are not present in the component template
(classpath:org/apache/tapestry5/corelib/pages/ExceptionReport.tml).

Any ideas?

Steve.

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