[weld-issues] [JBoss JIRA] Updated: (WELD-239) AbstractProducerBean.checkReturnValue seems to check against the wrong injection point

[Pete Muir (JIRA)]

     [ https://jira.jboss.org/jira/browse/WELD-239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pete Muir updated WELD-239:
---------------------------

    Fix Version/s: 1.0.0.CR2


> AbstractProducerBean.checkReturnValue seems to check against the wrong injection point
> --------------------------------------------------------------------------------------
>
>                 Key: WELD-239
>                 URL: https://jira.jboss.org/jira/browse/WELD-239
>             Project: Weld
>          Issue Type: Bug
>          Components: Producers (Methods, Fields and Disposers)
>    Affects Versions: 1.0.0.CR1
>         Environment: Weld 1.0.0.CR1, embedded Jetty
>            Reporter: Huy Le
>             Fix For: 1.0.0.CR2
>
>         Attachments: numberguess.zip
>
>
> I was running a modified version of the numberguess example (attached to this issue) and got the following exception which doesn't seem quite right:
> javax.enterprise.inject.IllegalProductException: Producers cannot produce non-serializable instances for injection into non-transient fields of passivating beans
> Producer: org.jboss.weld.bean-web-module-ProducerMethod-org.jboss.weld.examples.numberguess.FacesContextManager.getFacesContext()
> Injection Point: field org.jboss.weld.examples.numberguess.Game.maxNumber
> 	at org.jboss.weld.bean.AbstractProducerBean.checkReturnValue(AbstractProducerBean.java:201)
> 	at org.jboss.weld.bean.AbstractProducerBean.create(AbstractProducerBean.java:287)
> 	at org.jboss.weld.context.AbstractMapContext.get(AbstractMapContext.java:104)
> 	at org.jboss.weld.bean.proxy.ClientProxyMethodHandler.getProxiedInstance(ClientProxyMethodHandler.java:139)
> 	at org.jboss.weld.bean.proxy.ClientProxyMethodHandler.invoke(ClientProxyMethodHandler.java:97)
> 	at javax.faces.context.FacesContext_$$_javassist_7.getELContext(FacesContext_$$_javassist_7.java)
> 	at org.jboss.weld.examples.numberguess.Generator.getMaxNumber(Generator.java:38)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.jboss.weld.bean.proxy.ClientProxyMethodHandler.invoke(ClientProxyMethodHandler.java:111)
> 	at org.jboss.weld.examples.numberguess.Generator_$$_javassist_6.getMaxNumber(Generator_$$_javassist_6.java)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.jboss.weld.introspector.jlr.WeldMethodImpl.invokeOnInstance(WeldMethodImpl.java:227)
> 	at org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstance(MethodInjectionPoint.java:148)
> 	at org.jboss.weld.bean.ProducerMethod$1.produce(ProducerMethod.java:117)
> 	at org.jboss.weld.bean.AbstractProducerBean.create(AbstractProducerBean.java:286)
> 	at org.jboss.weld.context.DependentContext.get(DependentContext.java:62)
> 	at org.jboss.weld.BeanManagerImpl.getReference(BeanManagerImpl.java:899)
> 	at org.jboss.weld.BeanManagerImpl.getReference(BeanManagerImpl.java:945)
> 	at org.jboss.weld.BeanManagerImpl.getInjectableReference(BeanManagerImpl.java:967)
> 	at org.jboss.weld.injection.FieldInjectionPoint.inject(FieldInjectionPoint.java:78)
> 	at org.jboss.weld.util.Beans.injectBoundFields(Beans.java:683)
> 	at org.jboss.weld.util.Beans.injectFieldsAndInitializers(Beans.java:695)
> 	at org.jboss.weld.bean.ManagedBean$1$1.proceed(ManagedBean.java:195)
> 	at org.jboss.weld.injection.InjectionContextImpl.run(InjectionContextImpl.java:51)
> 	at org.jboss.weld.bean.ManagedBean$1.inject(ManagedBean.java:189)
> 	at org.jboss.weld.bean.ManagedBean.create(ManagedBean.java:115)
> 	at org.jboss.weld.context.AbstractMapContext.get(AbstractMapContext.java:104)
> 	at org.jboss.weld.bean.proxy.ClientProxyMethodHandler.getProxiedInstance(ClientProxyMethodHandler.java:139)
> 	at org.jboss.weld.bean.proxy.ClientProxyMethodHandler.invoke(ClientProxyMethodHandler.java:97)
> 	at org.jboss.weld.examples.numberguess.Game_$$_javassist_5.getNumber(Game_$$_javassist_5.java)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> Not sure if my analysis is correct, but it seems that:
>    1. FieldInjectionPoint for maxNumber is set as the current injection point in BeanManagerImpl
>    2. Producer method for maxNumber is invoked
>    3. The getELContext method is invoked on the FacesContext proxy
>    4. The getProxiedInstance method is invoked on ClientProxyMethodHandler which causes the producer method for FacesContext to be invoked
>    5. The checkReturnValue on AbstractProducerBean is invoked, but it is checking the FacesContext return value against the injection point for maxNumber (since this is still the current injection point) an an IllegalProductException is thrown since maxNumber must be serializable (but not FacesContext)

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