<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<body link="#355491" alink="#4262a1" vlink="#355491" style="background: #e2e2e2; margin: 0; padding: 20px;">
<div>
<table cellpadding="0" bgcolor="#FFFFFF" border="0" cellspacing="0" style="border: 1px solid #dadada; margin-bottom: 30px; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td>
<table border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="border: solid 2px #ccc; background: #dadada; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td bgcolor="#000000" valign="middle" height="58px" style="border-bottom: 1px solid #ccc; padding: 20px; -moz-border-radius-topleft: 3px; -moz-border-radius-topright: 3px; -webkit-border-top-right-radius: 5px; -webkit-border-top-left-radius: 5px;">
<h1 style="color: #333333; font: bold 22px Arial, Helvetica, sans-serif; margin: 0; display: block !important;">
<!-- To have a header image/logo replace the name below with your img tag -->
<!-- Email clients will render the images when the message is read so any image -->
<!-- must be made available on a public server, so that all recipients can load the image. -->
<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" style="font: normal 12px Arial, Helvetica, sans-serif; color:#333333; padding: 20px; -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 5px; -webkit-border-bottom-left-radius: 5px;"><h3 style="margin: 10px 0 5px; font-size: 17px; font-weight: normal;">
Re: Hibernate LazyInitializationException during swimlane creation
</h3>
<span style="margin-bottom: 10px;">
created by <a href="http://community.jboss.org/people/wrecked">Anup Nair</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/566196#566196">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><p>Hi Micheal,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I tried using the command as described above.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here is my code snippet:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>final ProcessInstance processInstance = executionService.findProcessInstanceById("ServiceCenter.1");<br/>        EnvironmentImpl    environment =(EnvironmentImpl)((EnvironmentFactory)processService).openEnvironment();<br/>        try{<br/>                              <br/>                    processService.execute(new Command() {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                        public Object execute(Environment environment)<br/>                                throws Exception {<br/>                            Session session = environment.get(Session.class);<br/>                            Transaction tx  = session.beginTransaction();<br/>                            SwimlaneImpl role = ((ExecutionImpl)processInstance).createSwimlane("approver");<br/>                            session.update(processInstance);<br/>                            tx.commit();<br/>                            System.out.println("Approver role added:"+role);<br/>                            return role;<br/>                        }<br/>                    });</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        }finally{<br/>            environment.close();<br/>        }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The ExecutionImpl class has swimlanes map to which this newly created swimlane is inserted. However the map is not lazily getting initialized since the session gets closed somehow.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My jbpm.tx.hibernate.cfg.xml has following configuration:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><?xml version="1.0" encoding="UTF-8"?></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><jbpm-configuration></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>  <process-engine-context></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>    <command-service name="txRequiredCommandService"><br/>      <skip-interceptor /><br/>      <retry-interceptor /><br/>      <environment-interceptor /><br/>      <standard-transaction-interceptor /><br/>    </command-service></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>    <command-service name="newTxRequiredCommandService"><br/>      <retry-interceptor /><br/>      <environment-interceptor policy="requiresNew" /><br/>      <standard-transaction-interceptor /><br/>    </command-service></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>    <hibernate-configuration><br/>      <cfg resource="jbpm.hibernate.cfg.xml" />     <br/>    </hibernate-configuration></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>    <hibernate-session-factory /><br/>    <br/>  </process-engine-context></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>  <transaction-context><br/>    <transaction /><br/>    <hibernate-session /><br/>  </transaction-context></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Please tell me is there anything else to be added to this configuration.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thakns in advance.</p></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/566196#566196">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
</div></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>