[jira] Resolved: (FELIX-2306) ClassCastException in Wrapper.unwrap() when calling Resolver.add(x implements Resource)

["Guillaume Nodet (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-2306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guillaume Nodet resolved FELIX-2306.
------------------------------------

         Assignee: Guillaume Nodet
    Fix Version/s: bundlerepository-1.6.4
       Resolution: Fixed

Adding         bundlerepository/src/main/java/org/apache/felix/bundlerepository/impl/wrapper/ConvertedResource.java
Sending        bundlerepository/src/main/java/org/apache/felix/bundlerepository/impl/wrapper/Wrapper.java
Transmitting file data ..
Committed revision 954751.


> ClassCastException in Wrapper.unwrap() when calling Resolver.add(x implements Resource)
> ---------------------------------------------------------------------------------------
>
>                 Key: FELIX-2306
>                 URL: https://issues.apache.org/jira/browse/FELIX-2306
>             Project: Felix
>          Issue Type: Bug
>          Components: Bundle Repository (OBR)
>    Affects Versions: bundlerepository-1.6.0
>         Environment: Windows 7, Java 6
>            Reporter: Mark Nuttall
>            Assignee: Guillaume Nodet
>             Fix For: bundlerepository-1.6.4
>
>         Attachments: FELIX-2306.patch
>
>
> This looks like a regression from OBR 1.4.1 to 1.6.  I have a resource class that implements org.osgi.service.obr.Resource. When I call Resolver.add(myResource) I
> get a ClassCastException:
> Caused by: java.lang.ClassCastException:my.resources.MyResource
> incompatible with
> org.apache.felix.bundlerepository.impl.wrapper.ResourceWrapper
>        at org.apache.felix.bundlerepository.impl.wrapper.Wrapper.unwrap(Wrapper.java:59)
>        at org.apache.felix.bundlerepository.impl.wrapper.ResolverWrapper.add(ResolverWrapper.java:40)
>        at my.provisioning.impl.OBRProvisioner.resolve(OBRProvisioner.java:496)
> Looking at Wrapper.java:
>    public static Resource unwrap(org.osgi.service.obr.Resource resource) {
>        return ((ResourceWrapper) resource).resource;
>    }
> I've passed in a class that implemented obr.Resource which this code is attempting to cast to ResourceWrapper: this fails. We got there via,
>   // ResolverWrapper.java
>   public void add(org.osgi.service.obr.Resource resource) {
>        resolver.add(Wrapper.unwrap(resource));
>    }
> At no time was my Resource wrapped before it was unwrapped. 

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