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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> 
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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"> 5.2.0, 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> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Attachments:</th> 
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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> 
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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"> 10/Jul/2016 07:03 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"> Apache Karaf 4.0.5 <br> install next bundles: <br> &nbsp;feature:install scr transaction pax-jdbc-config pax-jdbc-h2 pax-jdbc-pool-dbcp2 http-whiteboard jpa hibernate-orm/5.2.1.Final <br> and example <br> install -s mvn:org.apache.aries.jpa.example/org.apache.aries.jpa.example.tasklist.model/2.5.0-SNAPSHOT <br> &gt; install -s mvn:org.apache.aries.jpa.example/org.apache.aries.jpa.example.tasklist.blueprint/2.5.0-SNAPSHOT </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">Priority:</th> 
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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="dsulimchuk" id="email_dsulimchuk" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=dsulimchuk" style="color:#6c797f;; color: #3b73af; text-decoration: none">Dmitrii Sulimchuk</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">After org.hibernate.jpa.internal.EntityManagerImpl were moved into org.hibernate.internal. SessionImpl in release 5.2.0 session doesn't flush because SessionImpl.close() session now releasing JDBC resources even if transaction in progress.<br> in 5.1.0 EntityManagerImpl.close() method entity manager looks like this:</p> 
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                                                                <b>EntityManagerImpl.java</b>
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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">public</span> void checkOpen(<span class="code-object" style="color: #910091">boolean</span> markForRollbackIfClosed) {
        <span class="code-keyword" style="color: #000091">if</span>(!<span class="code-keyword" style="color: #000091">this</span>.isOpen()) {
            <span class="code-keyword" style="color: #000091">if</span>(markForRollbackIfClosed) {
                <span class="code-keyword" style="color: #000091">this</span>.markForRollbackOnly();
            }

            <span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> IllegalStateException(<span class="code-quote" style="color: #009100">"EntityManager is closed"</span>);
        }
    }
</pre> 
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                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">as you might see - session not closing when there is active transaction, but now it close explicitly</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">i think it's need to add the same logic into SessionImpl.close() method or return old class.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">i attach logs with old behaviour (5.1.0.FINAL) and new (5.2.1.FINAL)<br> and screenshots where i emphasize problem</p> </td> 
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