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https://issues.jboss.org/browse/WELD-870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ales Justin resolved WELD-870.
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Resolution: Done
> Add injection point information to exception message when injection into
> observer fails
> ---------------------------------------------------------------------------------------
>
> Key: WELD-870
> URL: https://issues.jboss.org/browse/WELD-870
> Project: Weld
> Issue Type: Enhancement
> Components: Events
> Affects Versions: 1.1.0.Final
> Reporter: Dan Allen
> Assignee: Ales Justin
>
> Injections that fail when an observer method is invoked are massively hard to
> track down. Here's the information you get:
> org.jboss.weld.exceptions.IllegalArgumentException: WELD-001324 Argument bean
> must not be null
> at
> org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:714)
> at
> org.jboss.seam.exception.control.HandlerMethodImpl.notify(HandlerMethodImpl.java:187)
> at
> org.jboss.seam.exception.control.ExceptionHandlerDispatch.executeHandlers(ExceptionHandlerDispatch.java:128)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at
> org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:305)
> at
> org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:54)
> at
> org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:163)
> at
> org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:299)
> at
> org.jboss.weld.introspector.jlr.WeldMethodImpl.invokeOnInstance(WeldMethodImpl.java:188)
> at
> org.jboss.weld.introspector.ForwardingWeldMethod.invokeOnInstance(ForwardingWeldMethod.java:59)
> at
> org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstanceWithSpecialValue(MethodInjectionPoint.java:198)
> at
> org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:270)
> at
> org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:253)
> at
> org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:222)
> at
> org.jboss.weld.manager.BeanManagerImpl.notifyObservers(BeanManagerImpl.java:632)
> at
> org.jboss.weld.manager.BeanManagerImpl.fireEvent(BeanManagerImpl.java:619)
> at
> org.jboss.weld.manager.BeanManagerImpl.fireEvent(BeanManagerImpl.java:613)
> I expect to see the type and qualifiers at the failing injection point.
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