<!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="https://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;">
How to resume a process instance from a loaded session in jbpm 5.0
</h3>
<span style="margin-bottom: 10px;">
created by <a href="https://community.jboss.org/people/bardelman">Feki Ahmed</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/797952#797952">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, </p><p>i ve tried to load a session from the database with the loadStatefulKnowledgeSession, and then i tried to active a process Instance from that loaded session so i tried with  ksession.<span style="font-size: 10pt;">startProcess(String processId) but it started a new process instance and not the old persisted one.</span></p><p><span style="font-size: 10pt;">now i know that startProcess isn't the appropriate method to do that but i still don't know what's the right way ...<br/></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">here is my code , it s a java class: </span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public static void main(String[] args) {</p><p>  </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  </p><p>  </p><p>  </p><p>                    ksession = ReloadSession(SessionId, taskname);</p><p>  </p><p>  </p><p>                    UserTransaction ut = null;</p><p>                    try {</p><p>                              ut = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );</p><p>                    } catch (NamingException e1) { </p><p>                              e1.printStackTrace();</p><p>                    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                    try {</p><p>                              ut.begin();</p><p>                    } catch (NotSupportedException e) { </p><p>                              e.printStackTrace();</p><p>                    } catch (SystemException e) { </p><p>                              e.printStackTrace();</p><p>                    } </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                    processInstance = ksession.startProcess(taskname);</p><p>  </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                    ksession.fireAllRules();</p><p>                    try {</p><p>                              ut.commit();</p><p>                    } catch (IllegalStateException e) { </p><p>                              e.printStackTrace();</p><p>                    } catch (SecurityException e) { </p><p>                              e.printStackTrace();</p><p>                    } catch (HeuristicMixedException e) { </p><p>                              e.printStackTrace();</p><p>                    } catch (HeuristicRollbackException e) { </p><p>                              e.printStackTrace();</p><p>                    } catch (RollbackException e) { </p><p>                              e.printStackTrace();</p><p>                    } catch (SystemException e) { </p><p>                              e.printStackTrace();</p><p>                    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  </p><p>          }</p><p><span style="font-size: 10pt;"><br/></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>private StatefulKnowledgeSession ReloadSession(String tasktoreloadidSession,String tasktoreloadname){</p><p>  </p><p>                    StatefulKnowledgeSession ksession =null;</p><p>                    try {</p><p>        </p><p>                  UserTransaction ut = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );</p><p>            ut.begin();</p><p>            ksession = JbpmAPIUtil.loadStatefulKnowledgeSession(Integer.parseInt(tasktoreloadidSession), tasktoreloadname+".bpmn");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                  /*Create the knowledge base  */</p><p>                 </p><p>                              KnowledgeRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newThreadedFileLogger(ksession, "testlog", 1000);</p><p>                              CommandBasedWSHumanTaskHandler taskHandler = new CommandBasedWSHumanTaskHandler(ksession);</p><p>                              ksession.getWorkItemManager().registerWorkItemHandler("Human Task", taskHandler);</p><p>                              taskHandler.connect();</p><p>                              ut.commit();</p><p>                                          </p><p>                              logger.close();</p><p>                    } catch (Throwable t) {</p><p>                              log.error(t.getMessage(), t.getCause());</p><p>                              throw new RuntimeException("error while reloading session",t);</p><p>                    }</p><p>                    return ksession;</p><p>  </p><p>          }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public static StatefulKnowledgeSession loadStatefulKnowledgeSession(int idsession,String processName) throws Exception {</p><p>  </p><p>                    /*</p><p>                     * Create the knowledgebase using the required bpmn and drl files</p><p>                     */</p><p>                    KnowledgeBase kbase = readKnowledgeBase(processName);</p><p>                    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "org.jbpm.persistence.jpa" );</p><p>                    Environment env = KnowledgeBaseFactory.newEnvironment();</p><p>                    env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf );</p><p>                    env.set( EnvironmentName.TRANSACTION_MANAGER, TransactionManagerServices.getTransactionManager() );</p><p>                    env.set( EnvironmentName.GLOBALS, new MapGlobalResolver() );</p><p>  </p><p>                    Properties properties = new Properties();</p><p>                    properties.put("drools.processInstanceManagerFactory", "org.jbpm.persistence.processinstance.JPAProcessInstanceManagerFactory");</p><p>                    properties.put("drools.processSignalManagerFactory", "org.jbpm.persistence.processinstance.JPASignalManagerFactory");</p><p>                    KnowledgeSessionConfiguration config = KnowledgeBaseFactory.newKnowledgeSessionConfiguration(properties);</p><p>  </p><p>                    return JPAKnowledgeService.loadStatefulKnowledgeSession(idsession,kbase, config, env);</p><p>  </p><p>          }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;"><br/></span></p><p> unfortunatelly, the user guide do not talk about this enough. i need your help please !!</p></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a href="https://community.jboss.org/message/797952#797952">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="https://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>