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JBPM 4.4 and Spring Integration Problem: Session is closed
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created by <a href="http://community.jboss.org/people/silverhoof">Bryan Shaw</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/587042#587042">View the full discussion</a>
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<div class="jive-rendered-content"><p>I have encountered problem when I am using JBPM 4.4 with Spring 3.5 and Hibernate 3 and Struts2.</p><p>When we put multiple users to use the system, JBPM operation will randomly cause Hibernate Exception states: "Session is closed".</p><p>I have checked the JBPM + Spring integration configuration and I can't found error.</p><p>Did anybody encountered the same problem here? Please lend a hand to help me.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This is my "jbpm.tx.spring.cfg.xml"</p><p><strong><br/></strong></p><p><?xml version="1.0" encoding="UTF-8"?> </p><p>     <jbpm-configuration spring="enabled"></p><p>     <process-engine-context></p><p>            <command-service name="newTxRequiredCommandService"></p><p>              <retry-interceptor /></p><p>              <environment-interceptor policy="requiresNew" /></p><p>              <spring-transaction-interceptor transaction-manager="transactionManager" policy="requiresNew" current="false"/></p><p>            </command-service></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>         <!-- Default command service has a Spring transaction interceptor--></p><p>         <command-service name="txRequiredCommandService"></p><p>                <retry-interceptor /></p><p>                <environment-interceptor /></p><p>                <spring-transaction-interceptor transaction-manager="transactionManager" current="true"/></p><p>         </command-service></p><p>    </process-engine-context></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>     <transaction-context></p><p>         <transaction type="spring" /></p><p>         <hibernate-session current="true" close="false" tx="true"/></p><p>    </transaction-context></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p></jbpm-configuration></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And my jbpm-cfg.xml looks like this:</p><p><?xml version="1.0" encoding="UTF-8"?></p><p><jbpm-configuration></p><p>  <import resource="jbpm.default.cfg.xml" /></p><p>  <import resource="jbpm.tx.spring.cfg.xml" /></p><p>  <import resource="jbpm.jpdl.cfg.xml" /></p><p>  <!--<import resource="jbpm.bpmn.cfg.xml" />--></p><p>  <import resource="jbpm.identity.cfg.xml" /></p><p>  <import resource="jbpm.businesscalendar.cfg.xml" /></p><p>  <import resource="jbpm.console.cfg.xml" /></p><p>  <import resource="jbpm.jobexecutor.cfg.xml" /></p><p>  <types resource="jbpm.variable.types.xml" /></p><p></jbpm-configuration></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We use OpenSessionInView filter in our web application that means every request will have its own hibernate session opened for it.</p><p>But we find that even I begin a request handling action method with a call to the JBPM task service it still may cause session is closed error.</p><p>Any idea?</p></div>
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