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Re: Processinstance not continue after restarting application.
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created by <a href="https://community.jboss.org/people/tomsebastian">tom sebastian</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/795051#795051">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi ,</p><p>     I got the solution.</p><p>Steps:</p><p>     1. While restarting application, re-registers listeners to the task client.</p><p>     2. In my case starting process was like this:</p><p>          </p><p>          </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">..</p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">ProcessInstance pi = ksession.createProcessInstance("com.sample.bpmn", null);</p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">ksession.startProcessInstance(pi.getId());</p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">..</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>     for such multiple command execution need to use transaction(see :<a class="jive-link-external-small" href="http://docs.jboss.org/jbpm/v5.2/userguide/ch07.html#d0e2914" rel="nofollow">http://docs.jboss.org/jbpm/v5.2/userguide/ch07.html#d0e2914</a>)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-anchor-small" rel="nofollow"><span class="java_operator" style="color: #000000;">//</span><span class="java_plain" style="color: #000000;"> create the entity manager factory and register it in the environment</span><br/><br/><span class="java_type" style="color: #000000;">EntityManagerFactory</span><span class="java_plain" style="color: #000000;"> emf </span><span class="java_operator" style="color: #000000;">=</span><br/><br/><span class="java_plain" style="color: #000000;">    </span><span class="java_type" style="color: #000000;">Persistence</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">createEntityManagerFactory</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> </span><span class="java_literal" style="color: #2a00ff;">"org.jbpm.persistence.jpa"</span><span class="java_plain" style="color: #000000;"> </span><span class="java_separator" style="color: #000000;">);</span><br/><br/><span class="java_type" style="color: #000000;">Environment</span><span class="java_plain" style="color: #000000;"> env </span><span class="java_operator" style="color: #000000;">=</span><span class="java_plain" style="color: #000000;"> </span><span class="java_type" style="color: #000000;">KnowledgeBaseFactory</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">newEnvironment</span><span class="java_separator" style="color: #000000;">();</span><br/><br/><span class="java_plain" style="color: #000000;">env</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">set</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> </span><span class="java_type" style="color: #000000;">EnvironmentName</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">ENTITY_MANAGER_FACTORY</span><span class="java_separator" style="color: #000000;">,</span><span class="java_plain" style="color: #000000;"> emf </span><span class="java_separator" style="color: #000000;">);</span><br/><br/><span class="java_plain" style="color: #000000;">env</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">set</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> </span><span class="java_type" style="color: #000000;">EnvironmentName</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">TRANSACTION_MANAGER</span><span class="java_separator" style="color: #000000;">,</span><br/><br/><span class="java_plain" style="color: #000000;">         </span><span class="java_type" style="color: #000000;">TransactionManagerServices</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">getTransactionManager</span><span class="java_separator" style="color: #000000;">()</span><span class="java_plain" style="color: #000000;"> </span><span class="java_separator" style="color: #000000;">);</span><br/><br/><br/><span class="java_operator" style="color: #000000;">//</span><span class="java_plain" style="color: #000000;"> create a </span><span class="java_keyword" style="font-weight: bold; color: #7f1b55;">new</span><span class="java_plain" style="color: #000000;"> knowledge session that uses JPA to store the runtime state</span><br/><br/><span class="java_type" style="color: #000000;">StatefulKnowledgeSession</span><span class="java_plain" style="color: #000000;"> ksession </span><span class="java_operator" style="color: #000000;">=</span><br/><br/><span class="java_plain" style="color: #000000;">    </span><span class="java_type" style="color: #000000;">JPAKnowledgeService</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">newStatefulKnowledgeSession</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> kbase</span><span class="java_separator" style="color: #000000;">,</span><span class="java_plain" style="color: #000000;"> </span><span class="java_literal" style="color: #2a00ff;">null</span><span class="java_separator" style="color: #000000;">,</span><span class="java_plain" style="color: #000000;"> env </span><span class="java_separator" style="color: #000000;">);</span><br/><br/><br/><span class="java_operator" style="color: #000000;">//</span><span class="java_plain" style="color: #000000;"> start the transaction</span><br/><br/><span class="java_type" style="color: #000000;">UserTransaction</span><span class="java_plain" style="color: #000000;"> ut </span><span class="java_operator" style="color: #000000;">=</span><br/><br/><span class="java_plain" style="color: #000000;">  </span><span class="java_separator" style="color: #000000;">(</span><span class="java_type" style="color: #000000;">UserTransaction</span><span class="java_separator" style="color: #000000;">)</span><span class="java_plain" style="color: #000000;"> </span><span class="java_keyword" style="font-weight: bold; color: #7f1b55;">new</span><span class="java_plain" style="color: #000000;"> </span><span class="java_type" style="color: #000000;">InitialContext</span><span class="java_separator" style="color: #000000;">().</span><span class="java_plain" style="color: #000000;">lookup</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> </span><span class="java_literal" style="color: #2a00ff;">"java:comp/UserTransaction"</span><span class="java_plain" style="color: #000000;"> </span><span class="java_separator" style="color: #000000;">);</span><br/><br/><span class="java_plain" style="color: #000000;">ut</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">begin</span><span class="java_separator" style="color: #000000;">();</span><br/><br/><br/><span class="java_operator" style="color: #000000;">//</span><span class="java_plain" style="color: #000000;"> perform multiple commands inside one transaction</span><br/><br/><span class="java_plain" style="color: #000000;">ksession</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">insert</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> </span><span class="java_keyword" style="font-weight: bold; color: #7f1b55;">new</span><span class="java_plain" style="color: #000000;"> </span><span class="java_type" style="color: #000000;">Person</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> </span><span class="java_literal" style="color: #2a00ff;">"John Doe"</span><span class="java_plain" style="color: #000000;"> </span><span class="java_separator" style="color: #000000;">)</span><span class="java_plain" style="color: #000000;"> </span><span class="java_separator" style="color: #000000;">);</span><br/><br/><span class="java_plain" style="color: #000000;">ksession</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">startProcess</span><span class="java_separator" style="color: #000000;">(</span><span class="java_plain" style="color: #000000;"> </span><span class="java_literal" style="color: #2a00ff;">"MyProcess"</span><span class="java_plain" style="color: #000000;"> </span><span class="java_separator" style="color: #000000;">);</span><br/><br/><br/><span class="java_operator" style="color: #000000;">//</span><span class="java_plain" style="color: #000000;"> commit the transaction</span><br/><br/><span class="java_plain" style="color: #000000;">ut</span><span class="java_separator" style="color: #000000;">.</span><span class="java_plain" style="color: #000000;">commit</span><span class="java_separator" style="color: #000000;">();</span></a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span class="java_separator" style="color: #000000;">Now problem is solved . for more info see discussion at <a class="jive-link-thread-small" href="https://community.jboss.org/thread/195660" rel="nofollow">https://community.jboss.org/thread/195660</a></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span class="java_separator" style="color: #000000;">Thanks for ur help...<br/></span></p></div>
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