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From "Dirk Rudolph (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SLING-7508) StackOverflowError adapting ServletResource to Sling Model with impl picker
Date Mon, 26 Feb 2018 10:08:00 GMT

    [ https://issues.apache.org/jira/browse/SLING-7508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16376617#comment-16376617
] 

Dirk Rudolph commented on SLING-7508:
-------------------------------------

[~justinedelson] thoughts?

> StackOverflowError adapting ServletResource to Sling Model with impl picker
> ---------------------------------------------------------------------------
>
>                 Key: SLING-7508
>                 URL: https://issues.apache.org/jira/browse/SLING-7508
>             Project: Sling
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: Sling Models Impl 1.4.2
>            Reporter: Dirk Rudolph
>            Priority: Major
>
> Adapting a {{SlingHttpServletRequest}} to a servlet that is registered using sling.servlet.paths
to a {{@Model}} fails in the following StackOverflowError:
> {code}
> java.lang.StackOverflowError: null
>         ...
>         at org.apache.sling.models.impl.AdapterImplementations.getModelClassForResource(AdapterImplementations.java:318)
>         at org.apache.sling.models.impl.AdapterImplementations.getModelClassForResource(AdapterImplementations.java:322)
>         at org.apache.sling.models.impl.AdapterImplementations.getModelClassForResource(AdapterImplementations.java:322)
> {code}
> See for example the following pseudo code:
> {code}
> @SlingServlet(paths = "/apps/mypath")
> class MyServlet extends SlingSafeMethodsServlet {
>  doGet(request) { request.adaptTo(Model.class); }
> }
> interface Model {
>  ...
> }
> @Model(adaptables = SlingHttpServletRequest.class, adapters = {ModelImpl.class, Model.class})
> class ModelImpl implements Model {
>  ...
> }
> {code}
> See the example here: https://github.com/Buuhuu/sling-org-apache-sling-models-integration-tests/commit/db174f7a8d43432e4445f4e0aa90487827f66f72



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