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https://issues.apache.org/jira/browse/TAP5-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thiago H. de Paula Figueiredo closed TAP5-1530.
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Resolution: Invalid
Hi!
Please post on the dev or user mailing list before posting a bug.
Since 5.2 it's not possible to add a library with a "core" mapping.
<t:pagelink page="index" w:mixins="myMixin">...</t:pagelink> is wrong: it
should be t:mixins, not w:mixins.
Cheers!
Thiago
> Library of mixins
> -----------------
>
> Key: TAP5-1530
> URL: https://issues.apache.org/jira/browse/TAP5-1530
> Project: Tapestry 5
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.2.5
> Reporter: Aleksandar Nikolov
>
> I had developed a library of several mixins in Tapestry v.5.1.0.5. Classes
> are packed by maven in a jar file and added to the main project as a maven
> dependency. It worked pretty well with Tapestry 5.1.0.5.
> I followed the rules at http://tapestry.apache.org/component-libraries.html
> and the eldest http://tapestry.apache.org/tapestry5/cookbook/lib.html.
> Now I am trying to migrate the library to Tapestry 5.2.5, but found a problem
> in loading mixins in the main project:
> Case 1: When I use "core" library mapping in library module class:
> public static void
> contributeComponentClassResolver(Configuration<LibraryMapping> configuration)
> {
> configuration.add(new LibraryMapping("core", "com.mylib"));
> }
> and template code like this: "<t:pagelink page="index"
> t:mixins="myMixin">...</t:pagelink>" then the following exception is thrown:
> Caused by: org.apache.tapestry5.ioc.util.UnknownValueException: Unable to
> resolve 'myMixin' to a mixin class name.
> at
> org.apache.tapestry5.internal.services.ComponentClassResolverImpl$7.invoke(ComponentClassResolverImpl.java:516)
> at
> org.apache.tapestry5.internal.services.ComponentClassResolverImpl$7.invoke(ComponentClassResolverImpl.java:511)
> at
> org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:85)
> at
> org.apache.tapestry5.internal.services.ComponentClassResolverImpl.resolveMixinTypeToClassName(ComponentClassResolverImpl.java:509)
> at
> $ComponentClassResolver_1301a3347ae.resolveMixinTypeToClassName($ComponentClassResolver_1301a3347ae.java)
> at
> org.apache.tapestry5.internal.pageload.EmbeddedComponentAssemblerImpl.<init>(EmbeddedComponentAssemblerImpl.java:110)
> at
> org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.createEmbeddedAssembler(ComponentAssemblerImpl.java:276)
> ... 106 more
> Case 2: When I use another (my own) library mapping name and template code
> like this: "<t:pagelink page="index" w:mixins="myMixin">...</t:pagelink>"
> then Tapestry acts as the mixins is not attached to the Pagelink. Just
> nothing happens.
> The only workaround I found is to move the mixins from the library to the
> main project. Then all mixins can be attached. The problem appears only when
> the mixins are placed in external library.
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