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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" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-10963" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-bc203d51-69ff-457f-997f-2b6292130efe" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10963" style="color: #3b73af; text-decoration: none">HHH-10963</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-10963" style="color: #3b73af; text-decoration: none">EntityManager.persist() not throwing EntityExistsException for existing row in database</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">Issue Type:</th>
<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-bc203d51-69ff-457f-997f-2b6292130efe" 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"> 5.2.1 </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">Assignee:</th>
<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"> hibernate-core </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"> 17/Jul/2016 13:20 PM </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"> Database: MySQL 5.7.13 </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-major-ec5a7005-1222-47d7-9d03-aa1cd2ffa620" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </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">Reporter:</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="saroehr@hotmail.com" id="email_saroehr@hotmail.com" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=saroehr%40hotmail.com" style="color:#6c797f;; color: #3b73af; text-decoration: none">Scott Roehrig</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">When using the JPA 2.1 interfaces, I am not receiving an EntityExistsException when an item is persisted.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Here is my testcase code that demonstrates the behavior:</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> /**</p>
<ul>
<li>Test for {@link Item#persist()} <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0"> */<br> public void testPersist() {<br> try </p>
<div class="error">
<span class="error">Unknown macro: { try (final java.io.InputStream inputStream = ItemImplTestCase.class .getResourceAsStream("/org/apache/auction/config/logging.properties")) { java.util.logging.LogManager.getLogManager().readConfiguration(inputStream); } catch (final java.io.IOException exception) { exception.printStackTrace(System.err); } final AuctionManager manager = AuctionManager.newInstance(); final Category category = manager.findCategory(1L); // manager.findItem(2L); final Item item = manager.newItem(); item.setName("testPersist"); item.setDescription("testPersist"); item.setCategory(category); // test initial persist item.persist(); // test update item.setName("testPersistUpdated"); item.persist(); Assert.assertEquals("testPersistUpdated", item.getName()); }</span>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> catch (final AuctionException exception) </p> { exception.printStackTrace(System.err); TestCase.fail(exception.getLocalizedMessage()); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> }</p></li>
</ul> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">The Item.persist method is implemented as follows:</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> public final void persist() throws AuctionException {<br> final EntityManager manager = AuctionManagerImpl.newEntityManager();<br> final EntityTransaction transaction = manager.getTransaction();<br> try {<br> transaction.begin();<br> if (this.getIdentifier() == null) </p> { manager.persist(this); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> else </p> { manager.merge(this); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> manager.flush();<br> transaction.commit();<br> }<br> catch (final EntityExistsException exception) </p> { transaction.rollback(); throw new AuctionException(exception); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> finally </p> { manager.close(); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> }</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">When I execute the test the first time, the database assigns an identifier of 2. When the test terminates the database still holds a row with that identifier. When I re-execute the test, the identifier is generated with the same value (it has located the row in the database) and an EntityExistsException is not thrown.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">The cause of this seems to be that I have a script that preloads a root entry into another table. This entry must have identifier = 1. It must be inserted directly into the table prior to test execution because that table has a parent/child foreign key that necessitates a TOP level object that can't be set at runtime. I then update the generated hibernate_sequence nextval to 2 to avoid re-use of the 1 value.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">When the identifier generator code runs, it provides the identifier of 2 to the new object. It appears when persisting this object, the code identifies the row as existing and does not attempt an insert. Hence no EntityExistsException is identified.</p> </td>
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