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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/HHH?atlOrigin=eyJpIjoiN2Y0YTFjMmQwY2U0NDdiYmEyMmRjNGU2ZWVhYzM3NjkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-13263?atlOrigin=eyJpIjoiN2Y0YTFjMmQwY2U0NDdiYmEyMmRjNGU2ZWVhYzM3NjkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-8284c1ff-bfa9-4265-951d-029cbe418cb6" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-13263?atlOrigin=eyJpIjoiN2Y0YTFjMmQwY2U0NDdiYmEyMmRjNGU2ZWVhYzM3NjkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-13263</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/HHH-13263?atlOrigin=eyJpIjoiN2Y0YTFjMmQwY2U0NDdiYmEyMmRjNGU2ZWVhYzM3NjkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">JPAMetaModelEntityProcessor: “Unable to determine type for property <some array property>” when mapping via orm.xml</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-8284c1ff-bfa9-4265-951d-029cbe418cb6" 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"> 5.4.1 </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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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> ConverterTest.zip </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"> hibernate-jpamodelgen </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"> 12/Feb/2019 10:00 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">Environment:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> JavaSE 1.8, Hibernate 5.4.1.Final </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="jmcmaha1" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_jmcmaha1" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5c6306517c82182d462d1858"> Donnie McMahan </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">I have a JPA entity class which is configured entirely from orm.xml (no annotations). One of the properties of the entity class is a String[] which is converted to a plain String representation on the database side via a javax.persistence.AttributeConverter<String[], String> implementation. I'd like to generate the metamodel information for the entity using org.hibernate.jpamodelgen.JPAMetaModelEntityProcessor or similar.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">However, JPAMetaModelEntityProcessor seems to ignore the conversion defined in orm.xml as it throws the following error (see attached test case):</p>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">— maven-processor-plugin:2.2.4:process (process) @ ConverterTest —<br> diagnostic: warning: Unable to determine type for property tags of class test.convertertest.Post using access type FIELD</p>
</blockquote> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">The configuration works fine if I use annotations instead of orm.xml, so I'm assuming the processor isn't able to determine the conversion types from the class generics. However, I'm not able to find any other way of explicitly defining these.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Note that the processor also runs fine (with expected outputs) if the array attribute is omitted.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I've tried replacing String[] with List<String> in the entity and converter, in which case the processor completes without issue but generates uncompilable code:</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-comment" style="color: #808080">// Post_.java
</span><span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> <span class="code-keyword" style="color: #000091">volatile</span> SingularAttribute<Post, List<E>> tags; <span class="code-comment" style="color: #808080">// cannot find symbol E</span>
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Is this an undocumented bug/limitation, or am I missing a specification somewhere?</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Thanks in advance! <span class="nobr"><a href="https://hibernate.atlassian.net/secure/attachment/49439/49439_ConverterTest.zip" title="ConverterTest.zip attached to HHH-13263" data-attachment-type="file" data-attachment-name="ConverterTest.zip" data-media-services-type="file" data-media-services-id="71739c08-cc34-43f4-829a-4e220cdcb57e" style="color: #3b73af; text-decoration: none">ConverterTest.zip<sup><img class="rendericon" src="cid:jira-generated-image-static-link_attachment_7-31b2b920-05aa-4c88-83fa-04e98cc1b714" height="7" width="7" align="absmiddle" alt="" border="0"></sup></a></span> </p> </td>
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