6:50 p.m.
Very odd. OK. Here's my META-INF/beans.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/beans_2_0.xsd"
version="2.0"
bean-discovery-mode="annotated">
</beans>
…and here is a cut down, won't-compile gist of my extension class:
public class MavenExtension implements Extension {
public MavenExtension() {
super();
}
private final void beforeBeanDiscovery(@Observes final
BeforeBeanDiscovery event) {
if (event != null) {
//
// Types effectively bound by DefaultServiceLocator
//
event.addAnnotatedType(DefaultArtifactResolver.class,
"maven").add(SingletonLiteral.INSTANCE);
// and so on
}
private static final class Producers {
@Produces
@Singleton
private static final ModelInterpolator produceModelInterpolator(final
UrlNormalizer normalizer, final PathTranslator pathTranslator) {
return new
StringSearchModelInterpolator().setPathTranslator(pathTranslator).setUrlNormalizer(normalizer);
}
}
}
Also if it matters my main loop does nothing. In other words, the test
starts the container and closes it—which boots the extension of course,
whereupon I notice that my Producers class gets picked up. I would have
expected that I would have to programmatically add my Producers class for
its producer methods to be "seen", but I don't have to. That seems odd to
me.
(Frankly, what I *really* want is for those producer methods, all of which
are static, to just be members of my extension class, but they are not seen
in this case.)
Best,
Laird
On Mon, Mar 20, 2017 at 10:42 AM John Ament <john.ament(a)spartasystems.com>
wrote:
So I just tried locally with Weld 3.0 CR2
public class BeanDiscoverer implements Extension {
public void onBeans(@Observes ProcessBean<?> pb) {
}
@Singleton
public static class Producers {
}
public static void main(String...args) {
final SeContainer initialize =
SeContainerInitializer.newInstance().initialize();
final Producers producers =
initialize.select(Producers.class).get();
assert producers == null;
initialize.close();
}
}
And it correctly throws
Exception in thread "main"
org.jboss.weld.exceptions.UnsatisfiedResolutionException: WELD-001334:
Unsatisfied dependencies for type Producers with qualifiers
at org.jboss.weld.bean.builtin.InstanceImpl.get(InstanceImpl.java:110)
at ws.ament.cdi.se.extensions.BeanDiscoverer.main(BeanDiscoverer.java:22)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
2017-03-20 10:36:22,254 Thread-1 WARN Unable to register Log4j shutdown
hook because JVM is shutting down. Using SimpleLogger
Weld SE container d32779c5-500e-4457-95b6-8e7bf49561f9 shut down by
shutdown hook
Even when I explicitly add the extension, same thing occurs
(.addExtensions(BeanDiscoverer.class)).
Even when I explicitly add to META-INF/services/Extension it fails.
This is what my beans.xml looks like:
<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
bean-discovery-mode="annotated" version="2.0">
</beans>
Only when I change to all does it run fine... You can see the full
example at
https://github.com/johnament/cdi-2.0-presentations/blob/master/cdi2confer...
so
I'm curious to know if there's anything different between our setups.
John
------------------------------
*From:* Laird Nelson <ljnelson(a)gmail.com>
*Sent:* Monday, March 20, 2017 1:24 PM
*To:* John Ament; Martin Kouba; cdi-dev
*Subject:* Re: [cdi-dev] Bean discovery question
SE, and the initializer is brain-dead simple.
final SeContainerInitializer initializer =
SeContainerInitializer.newInstance();
assert initializer != null;
try (final SeContainer container = initializer.initialize()) {
assert container != null;
}
Best,
Laird
On Mon, Mar 20, 2017 at 10:21 AM John Ament <john.ament(a)spartasystems.com>
wrote:
Since you're mentioning a fledgling project and CDI 2.0, are you using SE
mode of CDI, or is this within a container (and I'm guessing some custom
integration)? If you're using SE, what does your SEContainerInitializer
lines look like?
John
------------------------------
*From:* cdi-dev-bounces(a)lists.jboss.org <cdi-dev-bounces(a)lists.jboss.org>
on behalf of Laird Nelson <ljnelson(a)gmail.com>
*Sent:* Monday, March 20, 2017 11:12 AM
*To:* Martin Kouba; cdi-dev
*Subject:* Re: [cdi-dev] Bean discovery question
On Mon, Mar 20, 2017 at 12:26 AM Martin Kouba <mkouba(a)redhat.com> wrote:
Weld version? Environment? Deployment structure?
3.0.0-CR2 (CDI 2.0-PFD).
Fledgling project containing only the extension at the moment, so no beans.
I think the Producers class should not be discovered. So it looks like a
bug or misconfiguration.
Thank you; I'll file a bug once I have time to put together a test case.
Best,
Laird
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