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https://jira.jboss.org/jira/browse/JBSEAM-3965?page=com.atlassian.jira.pl...
]
Balazs Pataki commented on JBSEAM-3965:
---------------------------------------
You're maybe right that it only effects StringConverters. I now tried with an EAR
project instead of WAR project, so that my TaskConverter is an EJB and looks like this:
@Name("TaskConverter")
@Provider
@Scope(ScopeType.APPLICATION)
@Stateful
public class TaskConverter<T> implements StringConverter<Task>{
...
}
So, it is Stateful and APPLICATION scoped. Now in
ResteasyProviderFactory#addStringConverter() the "intfs" contains this for teh
TaskConverter's javassist proxy object:
[interface org.jboss.seam.Instance, interface org.jboss.seam.intercept.Proxy, interface
org.jboss.resteasy.spi.StringConverter, interface javassist.util.proxy.ProxyObject]
The org.jboss.resteasy.spi.StringConverter interface is now there, however it is not what
actually is expected by this method: it needs a ParameterizedType where the raw type is
the StringConverter.class. So, it really seems to me that when the javassist proxy is
created it gets wrong types, namely, a StringConverter instead of a ParameterizedType with
a StringConverter as its raw type.
Could you Jozef maybe take a look at this issue and try to create a StringConverter which
also acts a Seam component? It would be good to know whether the problem is with me or
with Seam (or javassist or RESTEasy. ;-) )
Thanks,
---
balazs
@Providers not working - ResteasyDispatcher registers components and
providers in wrong order
---------------------------------------------------------------------------------------------
Key: JBSEAM-3965
URL:
https://jira.jboss.org/jira/browse/JBSEAM-3965
Project: Seam
Issue Type: Bug
Components: WS
Affects Versions: 2.1.1.CR1
Reporter: Balazs Pataki
Assignee: Jozef Hartinger
While using the latest nightly build (from 2009.02.19) I found that my @Provider
annotated class is not used by Seam+RESTEasy. It seemed to be loaded but not used by
injection mechanism. By debugging the code I found out that it is not used because
org.jboss.seam.resteasy.ResteasyDispatcher#onStartup() first registers the resources and
after that the providers. However, as part of the resource registration the injection
mechanism including the converters are set up, however at this point the converters
(providers) have not been loaded.
It seems to first load the providers and then the resources.
This is my patch that worked in my setup:
> diff -c ResteasyDispatcher.java ResteasyDispatcher_orig.java
*** ResteasyDispatcher.java 2009-02-20 11:10:35.000000000 +0100
--- ResteasyDispatcher_orig.java 2009-02-19 00:18:26.000000000 +0100
***************
*** 56,91 ****
getDispatcher().setLanguageMappings(application.getLanguageMappings());
getDispatcher().setMediaTypeMappings(application.getMediaTypeMappings());
- // Provider registration
- if (application.isUseBuiltinProviders())
- {
- log.info("registering built-in RESTEasy providers");
- RegisterBuiltin.register(providerFactory);
- }
- for (Class providerClass : application.getProviderClasses())
- {
- Component seamComponent =
application.getProviderClassComponent(providerClass);
- if (seamComponent != null)
- {
- if (ScopeType.STATELESS.equals(seamComponent.getScope()))
- {
- throw new RuntimeException(
- "Registration of STATELESS Seam components as RESTEasy
providers not implemented!"
- );
- }
- else if (ScopeType.APPLICATION.equals(seamComponent.getScope()))
- {
- Object providerInstance =
Component.getInstance(seamComponent.getName());
- providerFactory.registerProviderInstance(providerInstance);
- }
- }
- else
- {
- // Just plain RESTEasy, no Seam component lookup or lifecycle
- providerFactory.registerProvider(providerClass);
- }
- }
-
// Resource registration
Registry registry = getDispatcher().getRegistry();
for (final Class resourceClass : application.getClasses())
--- 56,61 ----
***************
*** 133,137 ****
--- 103,138 ----
registry.addResourceFactory(new POJOResourceFactory(resourceClass));
}
}
+
+ // Provider registration
+ if (application.isUseBuiltinProviders())
+ {
+ log.info("registering built-in RESTEasy providers");
+ RegisterBuiltin.register(providerFactory);
+ }
+ for (Class providerClass : application.getProviderClasses())
+ {
+ Component seamComponent =
application.getProviderClassComponent(providerClass);
+ if (seamComponent != null)
+ {
+ if (ScopeType.STATELESS.equals(seamComponent.getScope()))
+ {
+ throw new RuntimeException(
+ "Registration of STATELESS Seam components as RESTEasy
providers not implemented!"
+ );
+ }
+ else if (ScopeType.APPLICATION.equals(seamComponent.getScope()))
+ {
+ Object providerInstance =
Component.getInstance(seamComponent.getName());
+ providerFactory.registerProviderInstance(providerInstance);
+ }
+ }
+ else
+ {
+ // Just plain RESTEasy, no Seam component lookup or lifecycle
+ providerFactory.registerProvider(providerClass);
+ }
+ }
+
}
}
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