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https://issues.apache.org/jira/browse/CXF-5073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andras Istvan Nagy updated CXF-5073:
------------------------------------
Attachment: drProduct.zip
Sample code to reproduce the problem. he class ProductClient (in project
drProductClient) needs to be run.
> endless recursion in creating JAX-RS client proxy
> -------------------------------------------------
>
> Key: CXF-5073
> URL: https://issues.apache.org/jira/browse/CXF-5073
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 2.7.5
> Reporter: Andras Istvan Nagy
> Attachments: drProduct.zip
>
>
> I'm having a problem creating a JAX-RS client proxy with CXF version 2.7.5.
> I wrote a simple sample application designed with a resource model that is
> built up of "ProductResource"s which contain "parts" which are also
> "ProductResource"s ("PartsResource" being a collection wrapper resource).
> Creating the client proxy for these resources gets into an endless recursion
> and eventually fails with a stack overflow. I assume this is related to the
> loop among the resources (ProductResource -> PartsResource ->
> ProductResource).
> When this loop is "immediate", i.e. ProductResource directly references its
> part ProductResource's without the separate "PartsResource" collection
> wrapper, the client proxy creation does not get into the endless recursion
> and succeeds.
> On the server side, there are no problems with either resource model.
> @XmlRootElement(name = "ProductResource")
> @Produces("application/json")
> public interface IProductResource {
> @Path("/parts")
> public IPartsResource getParts();
> ...
> }
> @XmlRootElement(name = "PartsResource")
> @Produces("application/json")
> public interface IPartsResource {
> @Path("/{i}/")
> public IProductResource elementAt(@PathParam("i") String i);
> ...
> }
> And the line that gets into the endless recursion (again simplified a bit):
> IProductResource productResource =
> JAXRSClientFactory.create("http://localhost:9000";, IProductResource.class);
> The relevant part of the stack trace, showing the endless recursion:
> ...
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.evaluateResourceClass(ResourceUtils.java:263)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.createClassResourceInfo(ResourceUtils.java:242)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.evaluateResourceClass(ResourceUtils.java:263)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.createClassResourceInfo(ResourceUtils.java:242)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.evaluateResourceClass(ResourceUtils.java:263)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.createClassResourceInfo(ResourceUtils.java:242)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.evaluateResourceClass(ResourceUtils.java:263)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.createClassResourceInfo(ResourceUtils.java:242)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.evaluateResourceClass(ResourceUtils.java:263)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.createClassResourceInfo(ResourceUtils.java:242)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.evaluateResourceClass(ResourceUtils.java:263)
> at
> org.apache.cxf.jaxrs.utils.ResourceUtils.createClassResourceInfo(ResourceUtils.java:242)
> ...
> Best regards,
> Andras
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