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10 minute guide example, deployment fails

rickhigh
Champ in-the-making
Champ in-the-making

‎02-01-2011 05:24 PM

I am trying to get the 10 minute guide example to work in a standalone application.

I am getting the following error:


SEVERE: Error while closing command context
org.activiti.engine.ActivitiException: no deployed process definition found with id 'financialReport'
   at org.activiti.engine.impl.db.DbRepositorySession.findDeployedProcessDefinitionById(DbRepositorySession.java:217)
   at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:47)
   at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:29)
   at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:22)
   at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:37)
   at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
   at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceById(RuntimeServiceImpl.java:57)
   at com.demo.Demo.main(Demo.java:41)
‍‍‍‍‍‍‍‍‍‍‍‍

I am running demo demo.start and the unit tests in the examples work.
I took the pom.xml from activiti-engine.examples and repurposed it for this example.


package com.demo;

import java.util.List;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngineConfiguration;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.repository.DeploymentQuery;
import org.activiti.engine.task.Task;

public class Demo {
   
   public static void main (String [] args) {
      ProcessEngine processEngine = ProcessEngineConfiguration.createStandaloneInMemProcessEngineConfiguration()
           .setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE)
           .setJdbcUrl("jdbc:h2:mem:my-own-db;DB_CLOSE_DELAY=1000")
           .setDatabaseSchemaUpdate("create-drop")
           .setJobExecutorActivate(true)
           .buildProcessEngine();
      
      
      /* Deploy the xml file. */
      processEngine.getRepositoryService()
      .createDeployment().addClasspathResource("com/demo/demo-flow.bpmn20.xml").deploy();
      
      
      /* Start the process by id. */
      processEngine.getRuntimeService().startProcessInstanceById("financialReport");
            
      //fails with the above call with the above exception
   }


}

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The above uses this demo-flow.bpmn20.xml:

<?xml version="1.0" encoding="UTF-8"?>
<definitions id="definitions"
   xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" 
   xmlns:activiti="http://activiti.org/bpmn" 
   targetNamespace="Examples">
   
<process id="financialReport" name="Monthly financial report reminder process">
  
  <startEvent id="theStart" />
    
  <sequenceFlow id='flow1' sourceRef='theStart' targetRef='writeReportTask' />
    
  <userTask id="writeReportTask" name="Write monthly financial report" >
    <documentation>
      Write monthly financial report for publication to shareholders.
    </documentation>
    <potentialOwner>
      <resourceAssignmentExpression>
        <formalExpression>accountancy</formalExpression>
      </resourceAssignmentExpression>
    </potentialOwner>
  </userTask>
    
  <sequenceFlow id='flow2' sourceRef='writeReportTask' targetRef='verifyReportTask' />
      
  <userTask id="verifyReportTask" name="Verify monthly financial report" >
    <documentation>
      Verify monthly financial report composed by the accountancy department.
      This financial report is going to be sent to all the company shareholders.  
    </documentation>
    <potentialOwner>
      <resourceAssignmentExpression>
        <formalExpression>management</formalExpression>
      </resourceAssignmentExpression>
    </potentialOwner>
  </userTask>
    
  <sequenceFlow id='flow3' sourceRef='verifyReportTask' targetRef='theEnd' />
      
  <endEvent id="theEnd" />
      
</process>
   <!– 
   <process id="breakfast" name="Eat breakfast">

      <startEvent id="wakeUp" />

      <sequenceFlow id='wakeUpToEatBreakFastFlow' sourceRef='wakeUp'
         targetRef='eatBreakFast' />

      <userTask id="eatBreakFast" name="Eat a tasty breakfast">
         <documentation>
            Eat a tasty breakfast. Yum yum yum!!!
          </documentation>
         <potentialOwner>
            <resourceAssignmentExpression>
               <formalExpression>accountancy</formalExpression>
            </resourceAssignmentExpression>
         </potentialOwner>
      </userTask>

      <sequenceFlow id='eatBreakFastToVerifyKidsAte' sourceRef='eatBreakFast'
         targetRef='verifyKidsAte' />

      <userTask id="verifyKidsAte" name="Verify kids ate breakfast">
         <potentialOwner>
            <resourceAssignmentExpression>
               <formalExpression>management</formalExpression>
            </resourceAssignmentExpression>
         </potentialOwner>
      </userTask>

      <sequenceFlow id='verifyKidsAteToDone' sourceRef='verifyKidsAte'
         targetRef='done' />

      <endEvent id="done" />

   </process>
    –>

</definitions>
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I have written some other code that works in the same project as follows:

package com.demo;

import org.activiti.engine.impl.pvm.ProcessDefinitionBuilder;
import org.activiti.engine.impl.pvm.PvmActivity;
import org.activiti.engine.impl.pvm.PvmExecution;
import org.activiti.engine.impl.pvm.PvmProcessDefinition;
import org.activiti.engine.impl.pvm.PvmProcessInstance;
import org.activiti.engine.impl.pvm.delegate.ActivityExecution;
import org.activiti.engine.impl.pvm.delegate.SignallableActivityBehavior;


public class DemoUsingFluentAPI {
   
   static PvmProcessDefinition processDefinition = new ProcessDefinitionBuilder()
     .createActivity("find bacon")
       .initial()
       .behavior(new MyActivityBehavior())
       .transition("find eggs")
     .endActivity()
     .createActivity("find eggs")
       .behavior(new MyActivityBehavior2())
       .transition("find orange juice")
     .endActivity()
     .createActivity("find orange juice")
       .behavior(new MyActivityBehavior3())
     .endActivity()
     .buildProcessDefinition();

   
   public static class MyActivityBehavior implements SignallableActivityBehavior {

      public void execute(ActivityExecution execution) throws Exception {
         System.out.println("Here ");
         execution.take(execution.getActivity().getOutgoingTransitions().get(0));
      }

      public void signal(ActivityExecution arg0, String arg1, Object arg2)
            throws Exception {
         System.out.println("Here signal");         
      }
      
   }
   
   public static class MyActivityBehavior2 implements SignallableActivityBehavior {

      public void execute(ActivityExecution execution) throws Exception {
         System.out.println("Here 2");
         execution.take(execution.getActivity().getOutgoingTransitions().get(0));
      }

      public void signal(ActivityExecution arg0, String arg1, Object arg2)
            throws Exception {
         System.out.println("Here signal 2");
         
      }
      
   }
   
   public static class MyActivityBehavior3 implements SignallableActivityBehavior {

      public void execute(ActivityExecution execution) throws Exception {
         System.out.println("Here 3");
         execution.end();
      }

      public void signal(ActivityExecution arg0, String arg1, Object arg2)
            throws Exception {
         System.out.println("Here signal 3");
      }
      
   }


   public static void main (String [] args) {
//      ProcessEngine processEngine = ProcessEngineConfiguration.createStandaloneInMemProcessEngineConfiguration()
//           .setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE)
//           .setJdbcUrl("jdbc:h2:mem:my-own-db;DB_CLOSE_DELAY=1000")
//           .setDatabaseSchemaUpdate("create-drop")
//           .setJobExecutorActivate(true)
//           .buildProcessEngine();
//      
//      RuntimeService runtimeService = processEngine.getRuntimeService();
      
      
      
      PvmProcessInstance processInstance = processDefinition.createProcessInstance();
      processInstance.start();
      
      PvmActivity activity = processDefinition.findActivity("find bacon");
      activity.findOutgoingTransition("find eggs");
      
      PvmExecution activityInstance = processInstance.findExecution("find bacon");
      assert activityInstance!=null : "Not Null";
            
      
      
   }

}

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Can I get some ideas on how to debug this?
Labels:
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5 REPLIES 5

rickhigh
Champ in-the-making
Champ in-the-making

‎02-01-2011 11:34 PM

I went through the tutorial for the eclipse plugin and it worked.
Well, the unit test worked in the unit test only.


package org.activiti.designer.test;



import java.util.HashMap;
import java.util.Map;

import org.activiti.engine.RuntimeService;
import org.activiti.engine.test.Deployment;
import org.activiti.engine.test.ActivitiRule;
import org.junit.Rule;
import org.junit.Test;

public class ProcessTestHelloworld {

@Rule
public ActivitiRule activitiRule = new ActivitiRule();

@Test
@Deployment(resources="diagrams/my_bpmn2_diagram.activiti.bpmn20.xml")
public void startProcess() {
  RuntimeService runtimeService = activitiRule.getRuntimeService();
  Map<String, Object> variableMap = new HashMap<String, Object>();
  variableMap.put("name", "Activiti");
  variableMap.put("color", "BLUE");
  runtimeService.startProcessInstanceByKey("helloworld", variableMap);
}
}


However, I don't know how to run it standalone.

I tried writing a main method that loads the same process.


package com.demo;

import java.util.List;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngineConfiguration;
import org.activiti.engine.task.Task;

public class Demo {

public static void main (String [] args) {
  ProcessEngine processEngine = ProcessEngineConfiguration.createStandaloneInMemProcessEngineConfiguration()
     .setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE)
     .setJdbcUrl("jdbc:h2:mem:my-own-db;DB_CLOSE_DELAY=1000")
     .setDatabaseSchemaUpdate("create-drop")
     .setJobExecutorActivate(true)
     .buildProcessEngine();
 
 
  /* Deploy the xml file. */
  processEngine.getRepositoryService()
  .createDeployment().addClasspathResource("diagrams/my_bpmn2_diagram.activiti.bpmn20.xml").deploy();
 
  /* Start the process by id. */
  processEngine.getRuntimeService().startProcessInstanceById("helloworld");
   
  List<Task> tasks = processEngine.getTaskService()
    .createTaskQuery().taskCandidateUser("fozzie").list();
 
  System.out.println("Got some tasks " + tasks);
  for (Task task : tasks) {
   System.out.println(task.getId());
  }
}


}


I get the same exception I was getting before (well similar).

Feb 1, 2011 5:08:47 PM org.activiti.engine.impl.ProcessEngineImpl <init>
INFO: ProcessEngine default created
Feb 1, 2011 5:08:47 PM org.activiti.engine.impl.jobexecutor.JobAcquisitionThread run
INFO: JobAcquisitionThread starting to acquire jobs
Feb 1, 2011 5:08:47 PM org.activiti.engine.impl.bpmn.deployer.BpmnDeployer deploy
INFO: Processing resource diagrams/my_bpmn2_diagram.activiti.bpmn20.xml
Feb 1, 2011 5:08:47 PM org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
INFO: XMLSchema currently not supported as typeLanguage
Feb 1, 2011 5:08:47 PM org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
INFO: XPath currently not supported as expressionLanguage
Feb 1, 2011 5:08:49 PM org.activiti.engine.impl.interceptor.CommandContext close
SEVERE: Error while closing command context
org.activiti.engine.ActivitiException: no deployed process definition found with id 'helloworld'
at org.activiti.engine.impl.db.DbRepositorySession.findDeployedProcessDefinitionById(DbRepositorySession.java:217)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:47)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:29)
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:22)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:37)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceById(RuntimeServiceImpl.java:57)
at com.demo.Demo.main(Demo.java:25)
Exception in thread "main" org.activiti.engine.ActivitiException: no deployed process definition found with id 'helloworld'
at org.activiti.engine.impl.db.DbRepositorySession.findDeployedProcessDefinitionById(DbRepositorySession.java:217)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:47)
at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:29)
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:22)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:37)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceById(RuntimeServiceImpl.java:57)
at com.demo.Demo.main(Demo.java:25)


I want just a simple standalone example (that is not a unit test) that works.

BTW I did explore and try a few things with the unit test so I am not completely stuck.
Also the screenshots and generated code for the tutorial do not match the current plugin.

10 minute guide missing pieces.
Working tutorial with old screenshots.
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frederikherema1
Star Contributor
Star Contributor

‎02-02-2011 01:04 AM

Hi,

You should use the startProcessInstanceByKey('financialProcess') instead of startProcessInstanceById(''), this will fix your problem.

Activiti is an open-source project and has a large community of contributors. The Designer is completely contributed by a team in Holland, which do this after (!) their normal day-job, so they may have missed the userguide-update this time (we do monthly release, and designer functionality has grown a lot this month).

I'm not sure the best way to get help from us/our community is to tweet how #activiti #fails though…
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jbarrez
Star Contributor
Star Contributor

‎02-02-2011 01:26 AM

I understand your criticism, the userguide must reflect the current state of things.

I've created following JIRA issues and planned them on release 5.3: http://jira.codehaus.org/browse/ACT-601 and http://jira.codehaus.org/browse/ACT-600
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rickhigh
Champ in-the-making
Champ in-the-making

‎02-02-2011 02:53 AM

frederikheremans Thanks for your help that works well.

In the XML file, the attribute is called "id", and you have two methods with nearly identical names.

It is a bit confusing and code completion filled in the blanks. I did not even notice that they were different.

I thought I was cutting/pasting them out of the docs.

In any regard, it works now… thanks.

Regarding #fail, I was referring to my effort to get the 10 minute example to work. I will continue to tweet unabated.

It is clear to me that the failure was on my part for calling the wrong method.

Thanks again for your help.
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frederikherema1
Star Contributor
Star Contributor

‎02-02-2011 03:44 AM

Rick,

It's indeed a bit confusing that the process-definition "id" in the xml (bpmn 2.0 style), is actually the process key in activiti-terms.
You can tweet unbated, be my guest Smiley Wink Keep on spreading the #activiti word!
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