[jira] [Updated] (SLING-7508) StackOverflowError adapting ServletResource to Sling Mode with impl picker

[Dirk Rudolph (JIRA)]

     [ 
https://issues.apache.org/jira/browse/SLING-7508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Dirk Rudolph updated SLING-7508:
--------------------------------
    Affects Version/s: Sling Models Impl 1.4.8
          Description: 
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}
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}
          Component/s: Extensions
              Summary: StackOverflowError adapting ServletResource to Sling 
Mode with impl picker  (was: StackOverflowError adapting ServletResource to 
Sling Mode with imp )

> StackOverflowError adapting ServletResource to Sling Mode 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 1.4.8
>            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}
> 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}



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