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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://issues.jboss.org/browse/WELD-2601" style="color: #3b73af; text-decoration: none">Re: unsatisfied dependency resolution when a bean present in a EAR is specialized in a WAR</a> </span> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">Hello <a href="https://issues.jboss.org/secure/ViewProfile.jspa?name=xqvier" class="user-hover" rel="xqvier" style="color: #3b73af; text-decoration: none">Xavier Mourgues</a>,</p> <p style="margin: 10px 0 0 0">let me start by pointing out that you are jumping from Weld 1.x to 3.x which means you are going from CDI 1.0 to 2.0. That's quite a huge leap and not everything will work the same.</p> <p style="margin: 10px 0 0 0">Now as for the issue itself - we are talking modular deployments which have some restrictions on visibility (in accordance to what umbrella EE spec requires) plus the specialization on top.<br> Somewhere along the way from CDI 1.0 to CDI 2.0 there we discussions about how exactly should an application behave in case that there is a CDI specialization but:</p>
<ul>
<li>Visibility restrictions imply that certain sub-deployment cannot "see" the specialized bean but could see the non-specialized one
<ul>
<li>Very likely there were also fixes for this in between Weld 1 and Weld 3 and therefore in between EAP 6.4 and EAP 7.2 but that is of minor importance here</li>
<li>In your case, this visibility limitation exists between <tt>ejbmodule.jar</tt> and <tt>warmodule.war</tt> where the EJB jar cannot see what's inside WAR</li>
</ul> </li>
<li>CDI specification requires that specialization completely disables the original bean
<ul>
<li>You can read on enabled and disabled beans more <a href="https://docs.jboss.org/cdi/spec/2.0/cdi-spec.html#enablement" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">here in the spec</a></li>
<li>In your case, presence of <tt>WebApplicationBean</tt> disables <tt>DefaultApplicationBean</tt> effectively eliminating it</li>
</ul> </li>
</ul> <p style="margin: 10px 0 0 0">From the above description I hope it is clearer what the issue is. <b>The specialization eliminates the original bean but the EJB jar has restricted visibility and cannot see the replacement for <tt>DefaultApplicationBean</tt> hence you get unsatisfied dependency exception.</b> </p> <p style="margin: 10px 0 0 0">As an evidence that this is intended behavior by specification, you can look at <a href="https://github.com/eclipse-ee4j/cdi-tck/blob/master/impl/src/main/java/org/jboss/cdi/tck/tests/lookup/modules/specialization/SpecializationModularity05Test.java" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">this CDI TCK test</a> that captures a similar scenario with limitations on visibility. Take a glance at its javadoc for how the deployment looks like.</p> <p style="margin: 10px 0 0 0">Therefore the conclusion is that this is an intended behavior and not a bug.</p> <p style="margin: 10px 0 0 0">Here are some CDI issues that mention this or very similar scenarios, feel free to browse them:</p>
<ul>
<li><a href="https://issues.jboss.org/browse/CDI-142" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">CDI-142</a></li>
<li><a href="https://issues.jboss.org/browse/CDI-238" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">CDI-238</a></li>
</ul> <p style="margin: 10px 0 0 0">If you want to fix this in your application, the proper way would be to extract <tt>WebApplicationBean</tt> into the shared lib <tt>common.jar</tt>.<br> Apparently you intended for that bean to be visible from all modules, so placing it in a shared library seems only logical.</p> </td>
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