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JBPM6 Spring Persistence and Runtime Manager
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created by <a href="https://community.jboss.org/people/herwix">Alexander Herwix</a> in <i>jBPM Development</i> - <a href="https://community.jboss.org/message/833455#833455">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hey guys,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have been trying to integrate JBPM6 in my Spring-Hibernate based Grails application, but it seems that I'm stuck and maybe you guys here could point me in the right direction.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am trying to get the RuntimeManager working with a local spring transaction scheme. I have tried a lot of stuff but can't seem to find the right approach.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have set up a EntityManagerFactory bean, which loads the persistence-unit org.jbpm.presistence.jpa (with transaction-type "Resource_local") with the org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter.</p><p>I have also set up a org.springframework.orm.jpa.JpaTransactionManager bean.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I now try to get a runtimeEngine via the RuntimeEnvironmentBuilder:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">RuntimeEnvironment environment = RuntimeEnvironmentBuilder.getDefaultInMemory()
                .userGroupCallback(getUserGroupCallback())
                .entityManagerFactory(entityManagerFactory)
                .registerableItemsFactory(<font color="navy"><b>new</b></font> KModuleRegisterableItemsFactory(kcontainer,<font color="navy">''</font>))
                .addEnvironmentEntry(EnvironmentName.TRANSACTION_MANAGER,jbpmTransactionManager)
                .get();
 
RuntimeManager manager = RuntimeManagerFactory.Factory.get().newPerProcessInstanceRuntimeManager(environment);
 
RuntimeEngine runtime = manager.getRuntimeEngine(ProcessInstanceIdContext.get());
 
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I get the following error: </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">NamingException occurred when processing request: [GET] /bpm/test/
Cannot create resource instance. Stacktrace follows:
javax.naming.NamingException: Cannot create resource instance
          at org.apache.naming.factory.TransactionFactory.getObjectInstance(TransactionFactory.java:116)
          at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
          at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
          at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
          at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
          at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
          at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
          at javax.naming.InitialContext.lookup(InitialContext.java:411)
          at org.drools.persistence.jta.JtaTransactionManager.findUserTransaction(JtaTransactionManager.java:122)
          at org.drools.persistence.jta.JtaTransactionManager.<init>(JtaTransactionManager.java:69)
          at org.jbpm.shared.services.impl.JbpmJTATransactionManager.<init>(JbpmJTATransactionManager.java:39)
          at org.jbpm.runtime.manager.impl.factory.LocalTaskServiceFactory.newTaskService(LocalTaskServiceFactory.java:48)
          at org.jbpm.runtime.manager.impl.PerProcessInstanceRuntimeManager.getRuntimeEngine(PerProcessInstanceRuntimeManager.java:94)
          at org.jbpm.runtime.manager.impl.PerProcessInstanceRuntimeManager.init(PerProcessInstanceRuntimeManager.java:258)
          at org.jbpm.runtime.manager.impl.RuntimeManagerFactoryImpl.newPerProcessInstanceRuntimeManager(RuntimeManagerFactoryImpl.java:103)
          at org.jbpm.runtime.manager.impl.RuntimeManagerFactoryImpl.newPerProcessInstanceRuntimeManager(RuntimeManagerFactoryImpl.java:94)
          at bpm.TestController$$EOFBIT6u.index(TestController.groovy:82)
          at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:200)
          at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
          at java.lang.Thread.run(Thread.java:722)
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Looking at the stacktrace I found the the LocalTaskServiceFactory where the documentation says:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>/**</p><p> * Regular <code>TaskServiceFactory</code> implementation that shall be used for non CDI environments.</p><p> * Creates new <code>TaskService</code> instance for every call to the factory.</p><p> * <code>TaskService</code> instance will be equipped with <code>JbpmJTATransactionManager</code> </p><p> * for transaction management, this is mandatory as it must participate in already active</p><p> * transaction if such exists.</p><p> */</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So it seems it's not possible to use the RuntimeManager without a JTA Transaction Manager? I thought it might be possible to supply the localTransactionManager via the Environment? But I am fishing in the dark.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>If I am totally off the mark here in what I am doing, I would appreciate any pointer into the recommended way to integrate jbpm6 (and especially the runtime manager) into a spring-hibernate based application. I have looked at kie-spring, but there is little jbpm specific stuff. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Cheers, Alex</p></div>
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