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<a class="user-hover" rel="lincolnthree" id="email_lincolnthree" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=lincolnthree" style="color:#326ca6;">Lincoln Baxter III</a>
created <img src="https://issues.jboss.org/images/icons/newfeature.gif" height="16" width="16" border="0" align="absmiddle" alt="Feature Request"> <a style='color:#326ca6;text-decoration:none;' href='https://issues.jboss.org/browse/WELD-1298'>WELD-1298</a>
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<a style='color:#326ca6;text-decoration:none;' href='https://issues.jboss.org/browse/WELD-1298'><strong>NullPointerException thrown when using beanManager.getReference(...) or getInstance(...) where the Producer method for the bean is expecting an InjectionPoint.</strong></a>
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<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
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<img src="https://issues.jboss.org/images/icons/newfeature.gif" height="16" width="16" border="0" align="absmiddle" alt="Feature Request"> Feature Request
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<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
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2.0.0.Beta2 </td>
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<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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<a class="user-hover" rel="jharting" id="email_jharting" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=jharting" style="color:#326ca6;">Jozef Hartinger</a>
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<strong style="font-weight:normal;color:#505050;">Components:</strong>
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Producers (Methods, Fields and Disposers), Resolution (Typesafe and by Name) </td>
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<strong style="font-weight:normal;color:#505050;">Created:</strong>
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12/Jan/13 3:08 PM
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<p style='margin-top:0;margin-bottom:10px;'>I have a problem with the current Weld 2 code, seems to be throwing an NPE instead of using the InjectionPoint that I am providing the BeanManager with.</p>
<p style='margin-top:0;margin-bottom:10px;'>This can be reproduced right now by checking out the forge core repository branch 2.0. Just run, mvn clean install.</p>
<p style='margin-top:0;margin-bottom:10px;'><a href="https://github.com/forge/core/tree/2.0" class="external-link">https://github.com/forge/core/tree/2.0</a></p>
<p style='margin-top:0;margin-bottom:10px;'>The crux of the matter, we have a producer method in a CDI instance A:</p>
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<pre class="code-java">
@Produces
<span class="code-keyword">public</span> <span class="code-keyword">static</span> Coverter<?,?> produceRemoteConverter(AddonRegistry registry, InjectionPoint ip)</pre>
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<p style='margin-top:0;margin-bottom:10px;'>There are, however, no injection points actually consuming this type/producer method from within CDI instance A. (And adding one would not really help.)</p>
<p style='margin-top:0;margin-bottom:10px;'>In CDI instance, B, however, we are using the following code, with a reference to the BeanManager from CDI instance A, to get an instance of a Converter:</p>
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<pre class="code-java">Bean<R> bean = (Bean<R>) manager.resolve(manager.getBeans(type));
context = manager.createCreationalContext(bean);
<span class="code-object">Object</span> delegate = manager.getInjectableReference(injectionPoint, context);</pre>
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<p style='margin-top:0;margin-bottom:10px;'>We have an InjectionPoint for the Converter type in CDI instance B, and are delegating to container A to get the instance (using an extension.)</p>
<p style='margin-top:0;margin-bottom:10px;'>However, even though we are passing in our own InjectionPoint(B) into CDI instance A, CDI instance A still tries to look up the InjectionPoint on its internal stack, and throws a NullpointerException.</p>
<p style='margin-top:0;margin-bottom:10px;'>I think this is a bug, since InjectionPoint is an interface, (but obviously very edge case if so.)</p>
<p style='margin-top:0;margin-bottom:10px;'>Any help would be appreciated. Otherwise, we have no way to support looking up beans for types which are produced with Producer Methods requiring an injection point (those without work fine, and normal type lookups obviously work fine.)</p>
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<pre class="code-java">Caused by: java.lang.NullPointerException
at org.jboss.weld.serialization.InjectionPointHolder.<init>(InjectionPointHolder.java:48)
at org.jboss.weld.util.bean.SerializableForwardingInjectionPoint.<init>(SerializableForwardingInjectionPoint.java:33)
at org.jboss.weld.bean.builtin.InjectionPointBean.newInstance(InjectionPointBean.java:51)
at org.jboss.weld.bean.builtin.InjectionPointBean.newInstance(InjectionPointBean.java:31)
at org.jboss.weld.bean.builtin.AbstractDecorableBuiltInBean.create(AbstractDecorableBuiltInBean.java:62)
at org.jboss.weld.context.unbound.DependentContextImpl.get(DependentContextImpl.java:69)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:701)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:768)
at org.jboss.weld.manager.BeanManagerImpl.getInjectableReference(BeanManagerImpl.java:786)
at org.jboss.weld.injection.ParameterInjectionPointImpl.getValueToInject(ParameterInjectionPointImpl.java:71)
at org.jboss.weld.injection.MethodInjectionPoint.getParameterValues(MethodInjectionPoint.java:140)
at org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstance(MethodInjectionPoint.java:79)
at org.jboss.weld.injection.producer.ProducerMethodProducer.produce(ProducerMethodProducer.java:92)
at org.jboss.weld.injection.producer.AbstractMemberProducer.produce(AbstractMemberProducer.java:188)
at org.jboss.weld.bean.AbstractProducerBean.create(AbstractProducerBean.java:190)
at org.jboss.weld.context.unbound.DependentContextImpl.get(DependentContextImpl.java:69)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:701)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:729)
at org.jboss.weld.util.ForwardingBeanManager.getReference(ForwardingBeanManager.java:60)
at org.jboss.weld.bean.builtin.BeanManagerProxy.getReference(BeanManagerProxy.java:67)
at org.jboss.forge.container.impl.RemoteInstanceImpl$1.call(RemoteInstanceImpl.java:47)
at org.jboss.forge.container.util.ClassLoaders.executeIn(ClassLoaders.java:34)
... 93 more</pre>
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<strong style="font-weight:normal;color:#505050;">Project:</strong>
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<a style="color:#326ca6;" href="https://issues.jboss.org/browse/WELD">Weld</a>
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<strong style="font-weight:normal;color:#505050;">Priority:</strong>
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<img src="https://issues.jboss.org/images/icons/priority_major.gif" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
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<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
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<a class="user-hover" rel="lincolnthree" id="email_lincolnthree" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=lincolnthree" style="color:#326ca6;">Lincoln Baxter III</a>
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