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/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
    #email-body { min-width: 30em !important; }
    #email-page { padding: 8px !important; }
    #email-banner { padding: 8px 8px 0 8px !important; }
    #email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
    #email-fields { padding: 0 8px 8px 8px !important; }
    #email-gutter { width: 0 !important; }
}
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                                    <a class="user-hover" rel="smarlow@redhat.com" id="email_smarlow@redhat.com" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=smarlow%40redhat.com" style="color:#6c797f;">Scott Marlow</a>
     commented on <img src="https://hibernate.onjira.com/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HHH-7928'>HHH-7928</a>
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                <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HHH-7928'><strong>Regression caused by HHH-6361</strong></a>
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        <div class="comment-block" style="background-color:#edf5ff;border:1px solid #dddddd;color:#000000;padding:12px;"><p>I was not <b>yet</b> able to recreate in the org.hibernate.test.event.collection.detached.BadMergeHandlingTest last night.  I'm taking another look at getting more information from the failing TCK test that might clue us in on what to change in the test.  I did find that If I change the following in the TCK test (as suggested by Steve):</p>

<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java"><span class="code-comment">// the TCK test will now pass
</span>        aliasRef[2].getCustomers().add(customerRef[0]);
aliasRef[2] = getEntityManager().merge(aliasRef[2]);</pre>
</div></div>


<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java"><span class="code-comment">// the TCK test will fail
</span>        aliasRef[2].getCustomers().add(customerRef[0]);
        getEntityManager().merge(aliasRef[2]);</pre>
</div></div>

<p>Now that I know which of the many "merge" calls are important to focus on, I'm going to log more details about the (original) passed Alias and the Alias returned.</p>

<p>Also, I did enable SQL/PARAMETER logging for the TCK failure case which shows the unexpected extra (duplicate row):</p>
<blockquote>
<p>22:38:37,513 DEBUG <span class="error">&#91;org.jboss.as.jpa&#93;</span> (EJB default - 2) EJB default - 2:<span class="error">&#91;transaction scoped EntityManager&#93;</span>: created entity manager session TransactionImple &lt; ac, BasicAction: 0:ffff7f000001:-7c5295fa:50f770d9:30 status: ActionStatus.RUNNING &gt;<br/>
22:38:37,520 TRACE <span class="error">&#91;org.jboss.as.jpa&#93;</span> (EJB default - 2) createQuery took 7ms<br/>
22:38:37,521 DEBUG <span class="error">&#91;org.hibernate.SQL&#93;</span> (EJB default - 2) <br/>
select <br/>
 customer0_.ID as ID152_, <br/>
 customer0_.code as code152_, <br/>
 customer0_.country as country152_, <br/>
 customer0_.FK6_FOR_CUSTOMER_TABLE as FK5_152_, <br/>
 customer0_.NAME as NAME152_, <br/>
 customer0_.FK5_FOR_CUSTOMER_TABLE as FK6_152_ <br/>
 from CUSTOMER_TABLE customer0_ <br/>
 inner join FKS_ALIAS_CUSTOMER aliases1_ <br/>
 on customer0_.ID=aliases1_.FK_FOR_CUSTOMER_TABLE <br/>
 inner join ALIAS_TABLE alias2_ on aliases1_.FK_FOR_ALIAS_TABLE=alias2_.ID <br/>
 where alias2_.ALIAS=? fetch first 20 rows only<br/>
22:38:37,526 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicBinder&#93;</span> (EJB default - 2) binding parameter <span class="error">&#91;1&#93;</span> as <span class="error">&#91;VARCHAR&#93;</span> - fish</p>

<p>22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;1&#93;</span> as column <span class="error">&#91;ID152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;USA&#93;</span> as column <span class="error">&#91;code152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;United States&#93;</span> as column <span class="error">&#91;country152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;1&#93;</span> as column <span class="error">&#91;FK5_152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;Alan E. Frechette&#93;</span> as column <span class="error">&#91;NAME152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;2&#93;</span> as column <span class="error">&#91;FK6_152_&#93;</span></p>

<p>22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;1&#93;</span> as column <span class="error">&#91;ID152_&#93;</span></p>

<p>22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;2&#93;</span> as column <span class="error">&#91;ID152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;USA&#93;</span> as column <span class="error">&#91;code152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;United States&#93;</span> as column <span class="error">&#91;country152_&#93;</span><br/>
22:38:37,528 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;3&#93;</span> as column <span class="error">&#91;FK5_152_&#93;</span><br/>
22:38:37,529 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;Arthur D. Frechette&#93;</span> as column <span class="error">&#91;NAME152_&#93;</span><br/>
22:38:37,529 TRACE <span class="error">&#91;org.hibernate.type.descriptor.sql.BasicExtractor&#93;</span> (EJB default - 2) Found <span class="error">&#91;4&#93;</span> as column <span class="error">&#91;FK6_152_&#93;</span></p></blockquote>

<p>The TCK test failure shows the expected and actual PK values:</p>
<blockquote>
<p>22:38:37,542 INFO  <span class="error">&#91;stdout&#93;</span> (EJB default - 2) ERROR: Wrong collection size returned (expected 2, got 3)<br/>
22:38:37,542 INFO  <span class="error">&#91;stdout&#93;</span> (EJB default - 2) ERROR:  Wrong ejb's returned, expected PKs of (1, 2), got PKs of (1, 1, 2)<br/>
22:38:37,543 INFO  <span class="error">&#91;stdout&#93;</span> (EJB default - 2) ERROR:  Did not get expected results.  Expected 2 references, got: 3</p></blockquote>
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