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                                        <table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt"> 
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                                                    <td class="page-title-pattern-first-line " style="padding: 0px; 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-10752" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-f18783e9-21cd-451e-8c77-f9485146b97a" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10752" style="color: #3b73af; text-decoration: none">HHH-10752</a> </td> 
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                                                    <td style="vertical-align: top;; padding: 0px; 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-10752" style="color: #3b73af; text-decoration: none">ProcedureCallImpl registers every paremeter twice</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: 0px; 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-f18783e9-21cd-451e-8c77-f9485146b97a" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"> Improvement </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: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.2.0 </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">Created:</th> 
                                                    <td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 18/May/2016 03:32 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">Priority:</th> 
                                                    <td class="has-icon" style="padding: 0px; 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-e72a6703-5473-44ee-b6fd-8f906b3da422" 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: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="mih_vlad" id="email_mih_vlad" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mih_vlad" style="color:#6c797f;; color: #3b73af; text-decoration: none">Vlad Mihalcea</a> </td> 
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                                    <td class="email-content-main mobile-expand  issue-description-container" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff; padding-top: 5px; padding-bottom: 10px" bgcolor="#ffffff"> 
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                                                    <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">Now that stored procedure tests have been added, I noticed that on 5.2.0 neither one of the REFCURSOR tests works anymore.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">To replicate it, first set up tests to run on PostgreSQL:</p> 
                                                        <div class="preformatted 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 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
                                                            <div class="preformattedContent panelContent" style="padding: 9px 12px"> 
                                                                <pre style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap">&gt; gradle clean testClasses -Pdb=pgsql
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Then run the <tt>org.hibernate.test.procedure.PostgreSQLStoredProcedureTest#testStoredProcedureOutParameter</tt> test.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">You'll get the following error:</p> 
                                                        <div class="preformatted 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 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
                                                            <div class="preformattedContent panelContent" style="padding: 9px 12px"> 
                                                                <pre style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap">javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: Error calling CallableStatement.getMoreResults

        at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:147)
        at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:155)
        at org.hibernate.procedure.internal.ProcedureCallImpl.execute(ProcedureCallImpl.java:643)
        at org.hibernate.test.procedure.PostgreSQLStoredProcedureTest.testStoredProcedureOutParameter(PostgreSQLStoredProcedureTest.java:184)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
</pre> 
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                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Because the input parameters are doubled:</p> 
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                                                                <pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
13:28:46,836 DEBUG SQL:92 - 
    {call sp_count_phones(?,?,?,?)}
13:28:46,838 TRACE BasicBinder:65 - binding parameter [1] as [BIGINT] - [1]
13:28:46,838 TRACE BasicBinder:65 - binding parameter [2] as [BIGINT] - [1]
13:28:46,844  WARN SqlExceptionHelper:129 - SQL Error: 0, SQLState: 42883
</pre> 
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                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Even if there were only two registrations:</p> 
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                                                                <pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
StoredProcedureQuery query = entityManager.createStoredProcedureQuery( <span class="code-quote" style="color: #009100">"sp_count_phones"</span> );
query.registerStoredProcedureParameter( <span class="code-quote" style="color: #009100">"personId"</span>, <span class="code-object" style="color: #910091">Long</span>.class, ParameterMode.IN );
query.registerStoredProcedureParameter( <span class="code-quote" style="color: #009100">"phoneCount"</span>, <span class="code-object" style="color: #910091">Long</span>.class, ParameterMode.OUT );

query.setParameter( <span class="code-quote" style="color: #009100">"personId"</span>, 1L );

query.execute();
<span class="code-object" style="color: #910091">Long</span> phoneCount = (<span class="code-object" style="color: #910091">Long</span>) query.getOutputParameterValue( <span class="code-quote" style="color: #009100">"phoneCount"</span> );
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Most likely, the issue comes from <tt>ProcedureCallImpl</tt> where in the <tt>registerStoredProcedureParameter</tt> method, the {{registerParameter}{ method is called twice:</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 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
                                                            <div class="codeContent panelContent" style="padding: 9px 12px"> 
                                                                <pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
registerParameter( (ParameterRegistrationImplementor) registerParameter( parameterName, type, mode ) );
</pre> 
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                                                    <td id="actions-pattern-container" valign="middle" style="padding: 0px; border-collapse: collapse; padding: 10px 0 10px 24px; vertical-align: middle; padding-left: 0"> 
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                                <!-- there needs to be content in the cell for it to render in some clients --> 
                                <tr> 
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                        <table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt"> 
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