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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=eyJpIjoiYzM4MzBjMjJjOGI0NDI3ZDg4MWE4OWM3N2M4YWI0YTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-13721?atlOrigin=eyJpIjoiYzM4MzBjMjJjOGI0NDI3ZDg4MWE4OWM3N2M4YWI0YTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-b0c127c8-80f1-4ddb-87cb-0c25457c171d" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-13721?atlOrigin=eyJpIjoiYzM4MzBjMjJjOGI0NDI3ZDg4MWE4OWM3N2M4YWI0YTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-13721</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-13721?atlOrigin=eyJpIjoiYzM4MzBjMjJjOGI0NDI3ZDg4MWE4OWM3N2M4YWI0YTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Getting duplicated entities with @OneToMany and @ElementCollection</a> </span> </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">Change By:</th>
<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="atlassian1" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_atlassian1" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5cc229d949f31c0ff4112d06"> Romain Moreau </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"> <span class="diffcontext">Here's the demo: [https://github.com/romainmoreau/hhh-13721-demo|https://github.com/romainmoreau/hhh-13721-demo|smart-link] <br><br>In this demo, there are two entities: {{Root}} and {{Child}}.<br>One root can have many childs ({{@OneToMany}}).<br>A child can have many parameters ({{@ElementCollection}}).<br><br>First, the demo creates with success a root with one child which contains 3 parameters (a, b and c).<br>The issue comes when the previously created root is retrieved from the database because the child collection of the root contains {{n}} times the same child entity ({{n}} being the number of parameters in the child, 3 in the demo):<br><br>{noformat}[</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">fr</span> <span class="diffaddedchars" style="background-color:#ddfade;">org</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">romainmoreau</span> <span class="diffaddedchars" style="background-color:#ddfade;">hibernate</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">joindemo</span> <span class="diffaddedchars" style="background-color:#ddfade;">bugs</span> <span class="diffcontext">.Child@</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">7c048b30</span> <span class="diffaddedchars" style="background-color:#ddfade;">29fd8e67</span> <span class="diffcontext">,</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> fr</span> <span class="diffaddedchars" style="background-color:#ddfade;"> org</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">romainmoreau</span> <span class="diffaddedchars" style="background-color:#ddfade;">hibernate</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">joindemo</span> <span class="diffaddedchars" style="background-color:#ddfade;">bugs</span> <span class="diffcontext">.Child@</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">7c048b30</span> <span class="diffaddedchars" style="background-color:#ddfade;">29fd8e67</span> <span class="diffcontext">,</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> fr</span> <span class="diffaddedchars" style="background-color:#ddfade;"> org</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">romainmoreau</span> <span class="diffaddedchars" style="background-color:#ddfade;">hibernate</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">joindemo</span> <span class="diffaddedchars" style="background-color:#ddfade;">bugs</span> <span class="diffcontext">.Child@</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">7c048b30</span> <span class="diffaddedchars" style="background-color:#ddfade;">29fd8e67</span> <span class="diffcontext">]{noformat}<br><br>The expected behavior would be that the child collection of the root contains just one child entity like when it was inserted:<br><br>{noformat}[</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">fr</span> <span class="diffaddedchars" style="background-color:#ddfade;">org</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">romainmoreau</span> <span class="diffaddedchars" style="background-color:#ddfade;">hibernate</span> <span class="diffcontext">.</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">joindemo</span> <span class="diffaddedchars" style="background-color:#ddfade;">bugs</span> <span class="diffcontext">.Child@</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">7c048b30</span> <span class="diffaddedchars" style="background-color:#ddfade;">29fd8e67</span> <span class="diffcontext">]{noformat}<br><br></span> </td>
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