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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HSEARCH?atlOrigin=eyJpIjoiN2RkNzFkN2M2ZWRlNDViODliNjhjNDdhZDA3MDdlZjAiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate Search</a> / <a href="https://hibernate.atlassian.net/browse/HSEARCH-3551?atlOrigin=eyJpIjoiN2RkNzFkN2M2ZWRlNDViODliNjhjNDdhZDA3MDdlZjAiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-2e0a3757-ccbb-460a-af40-cf8bbeb579a4" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HSEARCH-3551?atlOrigin=eyJpIjoiN2RkNzFkN2M2ZWRlNDViODliNjhjNDdhZDA3MDdlZjAiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HSEARCH-3551</a> </td>
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<td style="vertical-align: top;; padding: 0; 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://hibernate.atlassian.net/browse/HSEARCH-3551?atlOrigin=eyJpIjoiN2RkNzFkN2M2ZWRlNDViODliNjhjNDdhZDA3MDdlZjAiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate Search doesn't boot when declared as a dependency in a module-info.java</a> </span> </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-2e0a3757-ccbb-460a-af40-cf8bbeb579a4" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.11.1.Final, 6.0.0.Alpha3 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Components:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> engine, integration, mapper-orm </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 01/Apr/2019 08:19 AM </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Fix Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 6.0.0.Alpha-backlog </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-critical-acad1e3c-8a39-40e2-bc6b-0e2f981b36dd" height="16" width="16" border="0" align="absmiddle" alt="Critical" style="vertical-align: text-bottom"> Critical </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="yrodiere" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_yrodiere" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A58fa1ced-171a-4c00-97e8-5d70d442cc4b"> Yoann Rodière </a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">While working on <span class="jira-issue-macro" data-jira-key="HSEARCH-3550"> <a href="https://hibernate.atlassian.net/browse/HSEARCH-3550" class="jira-issue-macro-key issue-link" title="Fix the many problems of java module integration tests" style="color: #3b73af; text-decoration: none"> <img class="icon" src="https://hibernate.atlassian.net/secure/viewavatar?size=xsmall&avatarId=12158&avatarType=issuetype"> HSEARCH-3550 </a> <span class="aui-lozenge aui-lozenge-subtle aui-lozenge-current jira-macro-single-issue-export-pdf" style="background: #cccccc; border: 1px solid #cccccc; border-radius: 3px; color: #333333; display: inline-block; font-size: 11px; font-weight: bold; line-height: 99%; margin: 0; padding: 2px 5px; text-align: center; text-decoration: none; text-transform: uppercase; background-color: #ffffff; border-color: #cccccc; color: #333333" bgcolor="#ffffff">In Progress</span> </span> and making our Java module integration tests more relevant, I stumbled upon a blocker: when Hibernate Search is actually declared as a dependency of a module and when this module is actually run in the modulepath, Hibernate Search doesn't boot... It looks like declared services are not found by ORM, so both the integrator and the "Hibernate Search service context" do not exist as far as ORM is concerned.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">A possible explanation below.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">When running an application in the modulepath, this application will declare dependencies to Hibernate Search and Hibernate ORM in its <tt>module-info.java</tt>. As a result, both Hibernate Search and Hibernate ORM will be automatically promoted to (automatic) modules and put in the modulepath.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Since Hibernate Search and ORM are now modules, unfortunately they have to comply with all the module rules, even if they are just "automatic modules". This means no split packages (so far so good), but more crucially this means services must be declared in a <tt>module-info.java</tt>...</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">This sounds a bit strange, as it basically means automatic modules cannot provide services: classpath JARs can, and full modules can, but not automatic modules since they would need a <tt>module-info.java</tt> and therefore wouldn't be automatic modules anymore.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">But as far as I can tell, it's exactly how it's intended to work. While diving in the code, I was able to determine that Hibernate Search services were being ignored because of this code in <tt>java.util.ServiceLoader.LazyClassPathLookupIterator#hasNextService</tt>:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">if</span> (clazz.getModule().isNamed()) {
<span class="code-comment" style="color: #808080">// ignore <span class="code-keyword" style="color: #000091; color: #808080">class </span><span class="code-keyword" style="color: #000091; color: #808080">if</span> in named module
</span> <span class="code-keyword" style="color: #000091">continue</span>;
}
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Which, well, seems pretty clear to me.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">We should investigate a bit more, but if this really turns out to be true, we will need to implement <span class="jira-issue-macro" data-jira-key="HSEARCH-3274"> <a href="https://hibernate.atlassian.net/browse/HSEARCH-3274" class="jira-issue-macro-key issue-link" title="Expose fully defined (non-automatic) Java modules for consumption by users" style="color: #3b73af; text-decoration: none"> <img class="icon" src="https://hibernate.atlassian.net/secure/viewavatar?size=xsmall&avatarId=12151&avatarType=issuetype"> HSEARCH-3274 </a> <span class="aui-lozenge aui-lozenge-subtle aui-lozenge-current jira-macro-single-issue-export-pdf" style="background: #cccccc; border: 1px solid #cccccc; border-radius: 3px; color: #333333; display: inline-block; font-size: 11px; font-weight: bold; line-height: 99%; margin: 0; padding: 2px 5px; text-align: center; text-decoration: none; text-transform: uppercase; background-color: #ffffff; border-color: #cccccc; color: #333333" bgcolor="#ffffff">In Progress</span> </span> in order for Hibernate Search to be really usable in an application that declares a <tt>module-info.jar</tt>.</p> </td>
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