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Query process instances by key with no results

planetenxin
Champ in-the-making
Champ in-the-making
I tried to query process instances with this simple test:
package org.activiti.designer.test;import static org.junit.Assert.*;import java.util.HashMap;import java.util.List;import java.util.Map;import org.activiti.engine.ProcessEngine;import org.activiti.engine.ProcessEngineConfiguration;import org.activiti.engine.RepositoryService;import org.activiti.engine.RuntimeService;import org.activiti.engine.runtime.ProcessInstance;import org.junit.BeforeClass;import org.junit.Test;public class MyProcess_StartProcessWithParam_Test {   private static RuntimeService runtimeService;   @BeforeClass   public static void init() throws Exception {      ProcessEngine processEngine = ProcessEngineConfiguration.createStandaloneInMemProcessEngineConfiguration().buildProcessEngine();      RepositoryService repositoryService = processEngine.getRepositoryService();      repositoryService.createDeployment()/         .addClasspathResource("MyProcess.bpmn")         .deploy();      runtimeService = processEngine.getRuntimeService();   }      @Test   public void startProcessInstance() {      Map<String, Object> variableMap = new HashMap<String, Object>();      variableMap.put("param1", "123456");      ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("myProcess", variableMap);      assertNotNull(processInstance.getId());      System.out.println("Process ID: " + processInstance.getId() + " " + processInstance.getProcessDefinitionId());            // Query for running process instances      List<ProcessInstance> instanceList = runtimeService.createProcessInstanceQuery().processDefinitionKey("myProcess").list();            // Debug      System.out.println(instanceList.isEmpty());            for (ProcessInstance queryProcessInstance : instanceList) {         assertEquals(false, queryProcessInstance.isEnded());         System.out.println("id " + queryProcessInstance.getId() + ", ended=" + queryProcessInstance.isEnded());      }   }}‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍


A process instance has been created but the list of instances is empty. I get the following debug output:
Process ID: 5 myProcess:1:4true‍‍‍‍


For some reason the process instances list is empty. What's wrong with my code?
* Activiti 5.14.1
1 REPLY 1

martin_grofcik
Confirmed Champ
Confirmed Champ
Hi,

What's wrong with my code?
I do not know. I have found almost the same jUnit test in the activiti sources. org.activiti.engine.test.api.runtime.RuntimeServiceTest#testStartProcessInstanceByIdNullVariablesIt should work.
Could you zip your jUnit test project and add it to the reply?

Regards
Martin