[OWB-742] @Alternative is ignored when using the Provider interface.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.1.8
• Assignee: Arne Limburg
• Reporter: Mike Olson
• Created: 27/Dec/12 22:09
• Updated: 06/May/13 18:01
• Resolved: 28/Dec/12 20:50

Description

I have a very simple setup where I have classes Foo1 and Foo2 that implement the Foo interface

public interface Foo {
}
@Default
public class Foo1 implements Foo {

}
@Alternative
public class Foo2 implements Foo {

}

Then a class that gets 2 Foos injected

public class Main {

@Inject
Foo fooA;

@Inject
Provider<Foo> fooB;

@PostConstruct
public void init()

{ System.err.println("FooA:" + fooA); System.err.println("FooB:" + fooB.get()); }

}

If my beans.xml file is empty, then I get 2 instances of Foo1 injected into the class, as expected.

However, if I add

<alternatives>
<class>Foo2</class>
</alternatives>

to my beans.xml, then I get an error when I run the application.

"""
INFO: All injection points were validated successfully.
Dec 26, 2012 9:11:29 PM org.apache.webbeans.lifecycle.AbstractLifeCycle startApplication
INFO: OpenWebBeans Container has started, it took [359] ms.
FooA:Foo2@152c4d9
Dec 26, 2012 9:11:29 PM org.apache.webbeans.component.AbstractInjectionTargetBean postConstructDefault
SEVERE: An error occurred while executing [@PostConstruct.]
javax.enterprise.inject.AmbiguousResolutionException: There is more than one api type with : Foo with qualifiers : Qualifiers: [@javax.enterprise.inject.Default()]
found beans:
Foo1, Name:null, WebBeans Type:MANAGED, API Types:[Foo,Foo1,java.lang.Object], Qualifiers:[javax.enterprise.inject.Any,javax.enterprise.inject.Default]
Foo2, Name:null, WebBeans Type:MANAGED, API Types:[Foo,java.lang.Object,Foo2], Qualifiers:[javax.enterprise.inject.Any,javax.enterprise.inject.Default]
at org.apache.webbeans.util.InjectionExceptionUtils.throwAmbiguousResolutionExceptionForBeans(InjectionExceptionUtils.java:121)
at org.apache.webbeans.util.InjectionExceptionUtils.throwAmbiguousResolutionException(InjectionExceptionUtils.java:111)
at org.apache.webbeans.container.ResolutionUtil.checkResolvedBeans(ResolutionUtil.java:80)
at org.apache.webbeans.inject.instance.InstanceImpl.get(InstanceImpl.java:110)
at Main.init(Main.java:23)
"""

This exception happens when I call Provider.get(). I assumed that the Provider interface would respect the Alternative Qualifiers, but that does not seem to be the case.

Issue Links

• duplicates: OWB-805 CLONE - @Alternative is ignored when using the Provider interface.
• is cloned by: OWB-805 CLONE - @Alternative is ignored when using the Provider interface.