Gareth Edwards [https://community.jboss.org/people/garethed] created the discussion
"Re: jbpm-examples with jBPM 5.4"
To view the discussion, visit: https://community.jboss.org/message/779947#779947
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This should work:
package org.jbpm.examples.humantask;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.drools.KnowledgeBase;
import org.drools.SystemEventListenerFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.logger.KnowledgeRuntimeLogger;
import org.drools.logger.KnowledgeRuntimeLoggerFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.jbpm.process.workitem.wsht.HornetQHTWorkItemHandler;
import org.jbpm.task.AccessType;
import org.jbpm.task.Content;
import org.jbpm.task.Task;
import org.jbpm.task.TaskService;
import org.jbpm.task.query.TaskSummary;
import org.jbpm.task.service.ContentData;
import org.jbpm.task.service.SyncTaskServiceWrapper;
import org.jbpm.task.service.hornetq.AsyncHornetQTaskClient;
import org.jbpm.task.utils.ContentMarshallerHelper;
public class HumanTaskExample {
   public static final void main(String[] args) {
       try {
           // load up the knowledge base
           KnowledgeBase kbase = readKnowledgeBase();
           StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
           KnowledgeRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newThreadedFileLogger(ksession, "test", 1000);
           HornetQHTWorkItemHandler hornetQHTWorkItemHandler = new HornetQHTWorkItemHandler(ksession);
           ksession.getWorkItemManager().registerWorkItemHandler("Human Task", hornetQHTWorkItemHandler);
           // start a new process instance
           Map<String, Object> params = new HashMap<String, Object>();
           params.put("userId", "krisv");
           params.put("description", "Need a new laptop computer");
           ksession.startProcess("com.sample.humantask", params);
           SystemEventListenerFactory.setSystemEventListener(new SystemEventListener());
           // we can reuse the client used by the Work Item Hander.
           TaskService taskClient = new SyncTaskServiceWrapper(new AsyncHornetQTaskClient("HumanTaskExample-testClient"));
           taskClient.connect("127.0.0.1", 5153);
           Thread.sleep(1000);
           // "sales-rep" reviews request
           List<String> groups = new ArrayList<String>();
           groups.add("sales");
           TaskSummary task1 = taskClient.getTasksAssignedAsPotentialOwner("sales-rep", groups, "en-UK").get(0);
           System.out.println("Sales-rep executing task " + task1.getName() + "(" + task1.getId() + ": " + task1.getDescription() + ")");
           taskClient.claim(task1.getId(), "sales-rep", groups);
           Thread.sleep(1000);
           taskClient.start(task1.getId(), "sales-rep");
           Map<String, Object> results = new HashMap<String, Object>();
           results.put("comment", "Agreed, existing laptop needs replacing");
           results.put("outcome", "Accept");
           ContentData contentData = ContentMarshallerHelper.marshal(results, null);
           taskClient.complete(task1.getId(), "sales-rep", contentData);
           Thread.sleep(2000);
           // "krisv" approves result
           TaskSummary task2 = taskClient.getTasksAssignedAsPotentialOwner("krisv", "en-UK").get(0);
           System.out.println("krisv executing task " + task2.getName() + "(" + task2.getId() + ": " + task2.getDescription() + ")");
           taskClient.start(task2.getId(), "krisv");
           results = new HashMap<String, Object>();
           results.put("outcome", "Agree");
           contentData = ContentMarshallerHelper.marshal(results, null);
           taskClient.complete(task2.getId(), "krisv", contentData);
           Thread.sleep(2000);
           // "john" as manager reviews request
           groups = new ArrayList<String>();
           groups.add("PM");
           TaskSummary task3 = taskClient.getTasksAssignedAsPotentialOwner("john", groups, "en-UK").get(0);
           System.out.println("john executing task " + task3.getName() + "(" + task3.getId() + ": " + task3.getDescription() + ")");
           taskClient.claim(task3.getId(), "john", groups);
           taskClient.start(task3.getId(), "john");
           results = new HashMap<String, Object>();
           results.put("outcome", "Agree");
           contentData = ContentMarshallerHelper.marshal(results, null);
           taskClient.complete(task3.getId(), "john", contentData);
           Thread.sleep(2000);
           // "sales-rep" gets notification
           TaskSummary task4 = taskClient.getTasksAssignedAsPotentialOwner("sales-rep", "en-UK").get(0);
           System.out.println("sales-rep executing task " + task4.getName() + "(" + task4.getId() + ": " + task4.getDescription() + ")");
           taskClient.start(task4.getId(), "sales-rep");
           Task task = taskClient.getTask(task4.getId());
           Content content = taskClient.getContent(task.getTaskData().getDocumentContentId());
           Object result = ContentMarshallerHelper.unmarshall(content.getContent(), null);
           Map<?, ?> map = (Map<?, ?>) result;
           for (Map.Entry<?, ?> entry : map.entrySet()) {
               System.out.println(entry.getKey() + " = " + entry.getValue());
           }
           taskClient.complete(task4.getId(), "sales-rep", null);
           Thread.sleep(2000);
           taskClient.disconnect();
           hornetQHTWorkItemHandler.dispose();
           logger.close();
           System.exit(0);
       } catch (Throwable t) {
           t.printStackTrace();
       }
   }
   private static KnowledgeBase readKnowledgeBase() throws Exception {
       KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
       kbuilder.add(ResourceFactory.newClassPathResource("humantask/HumanTask.bpmn"), ResourceType.BPMN2);
       return kbuilder.newKnowledgeBase();
   }
   private static class SystemEventListener implements org.drools.SystemEventListener {
       public void debug(String arg0) {
       }
       public void debug(String arg0, Object arg1) {
       }
       public void exception(Throwable arg0) {
       }
       public void exception(String arg0, Throwable arg1) {
       }
       public void info(String arg0) {
       }
       public void info(String arg0, Object arg1) {
       }
       public void warning(String arg0) {
       }
       public void warning(String arg0, Object arg1) {
       }
   }
}
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