Examples of org.camunda.bpm.engine.runtime.Incident

org.camunda.bpm.engine.runtime.Incident
An {@link Incident} represents a failure in the execution ofa process instance.
A possible failure could be for example a failed {@link Job}during the execution, so that the job retry is equal zero (job.retries == 0). In that case an incident will be created an the incidentType will be set to failedJobs.
Furthermore, it is possible to create custom incidents with an individually incidentType to indicate a failure in the execution. @author roman.smirnov

    executeAvailableJobs();


    List<Incident> incidentList = runtimeService.createIncidentQuery().list();
    assertEquals(1, incidentList.size());


    Incident incident = runtimeService.createIncidentQuery().processInstanceId(processInstance.getId()).singleResult();


    List<ProcessInstance> processInstanceList = runtimeService
        .createProcessInstanceQuery()
        .incidentId(incident.getId()).list();


    assertEquals(1, processInstanceList.size());
    assertEquals(processInstance.getId(), processInstanceList.get(0).getId());
  }

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    // Root Cause Incident
    ProcessInstance failingProcess = runtimeService.createProcessInstanceQuery().processDefinitionKey("failingProcess").singleResult();
    assertNotNull(failingProcess);


    Incident rootCauseIncident = runtimeService.createIncidentQuery().processDefinitionId(failingProcess.getProcessDefinitionId()).singleResult();
    assertNotNull(rootCauseIncident);


    Job job = managementService.createJobQuery().executionId(rootCauseIncident.getExecutionId()).singleResult();
    assertNotNull(job);


    assertNotNull(rootCauseIncident.getId());
    assertNotNull(rootCauseIncident.getIncidentTimestamp());
    assertEquals(FailedJobIncidentHandler.INCIDENT_HANDLER_TYPE, rootCauseIncident.getIncidentType());
    assertEquals("Exception expected.", rootCauseIncident.getIncidentMessage());
    assertEquals(job.getExecutionId(), rootCauseIncident.getExecutionId());
    assertEquals("theServiceTask", rootCauseIncident.getActivityId());
    assertEquals(failingProcess.getId(), rootCauseIncident.getProcessInstanceId());
    assertEquals(rootCauseIncident.getId(), rootCauseIncident.getCauseIncidentId());
    assertEquals(rootCauseIncident.getId(), rootCauseIncident.getRootCauseIncidentId());
    assertEquals(job.getId(), rootCauseIncident.getConfiguration());


    // Cause Incident
    ProcessInstance callFailingProcess = runtimeService.createProcessInstanceQuery().processDefinitionKey("callFailingProcess").singleResult();
    assertNotNull(callFailingProcess);


    Incident causeIncident = runtimeService.createIncidentQuery().processDefinitionId(callFailingProcess.getProcessDefinitionId()).singleResult();
    assertNotNull(causeIncident);


    Execution theCallActivityExecution = runtimeService.createExecutionQuery().activityId("theCallActivity").singleResult();
    assertNotNull(theCallActivityExecution);


    assertNotNull(causeIncident.getId());
    assertNotNull(causeIncident.getIncidentTimestamp());
    assertEquals(FailedJobIncidentHandler.INCIDENT_HANDLER_TYPE, causeIncident.getIncidentType());
    assertNull(causeIncident.getIncidentMessage());
    assertEquals(theCallActivityExecution.getId(), causeIncident.getExecutionId());
    assertEquals("theCallActivity", causeIncident.getActivityId());
    assertEquals(callFailingProcess.getId(), causeIncident.getProcessInstanceId());
    assertEquals(rootCauseIncident.getId(), causeIncident.getCauseIncidentId());
    assertEquals(rootCauseIncident.getId(), causeIncident.getRootCauseIncidentId());
    assertNull(causeIncident.getConfiguration());


    // Top level incident of the startet process (recursive created incident for super super process instance)
    Incident topLevelIncident = runtimeService.createIncidentQuery().processDefinitionId(processInstance.getProcessDefinitionId()).singleResult();
    assertNotNull(topLevelIncident);


    Execution theCallingCallActivity = runtimeService.createExecutionQuery().activityId("theCallingCallActivity").singleResult();
    assertNotNull(theCallingCallActivity);


    assertNotNull(topLevelIncident.getId());
    assertNotNull(topLevelIncident.getIncidentTimestamp());
    assertEquals(FailedJobIncidentHandler.INCIDENT_HANDLER_TYPE, topLevelIncident.getIncidentType());
    assertNull(topLevelIncident.getIncidentMessage());
    assertEquals(theCallingCallActivity.getId(), topLevelIncident.getExecutionId());
    assertEquals("theCallingCallActivity", topLevelIncident.getActivityId());
    assertEquals(processInstance.getId(), topLevelIncident.getProcessInstanceId());
    assertEquals(causeIncident.getId(), topLevelIncident.getCauseIncidentId());
    assertEquals(rootCauseIncident.getId(), topLevelIncident.getRootCauseIncidentId());
    assertNull(topLevelIncident.getConfiguration());
  }

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    executeAvailableJobs();


    List<Incident> incidentList = runtimeService.createIncidentQuery().list();
    assertEquals(1, incidentList.size());


    Incident incident = runtimeService.createIncidentQuery().processInstanceId(processInstance.getId()).singleResult();


    List<ProcessInstance> processInstanceList = runtimeService
        .createProcessInstanceQuery()
        .incidentType(incident.getIncidentType()).list();


    assertEquals(1, processInstanceList.size());
    assertEquals(processInstance.getId(), processInstanceList.get(0).getId());
  }

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    executeAvailableJobs();


    List<Incident> incidentList = runtimeService.createIncidentQuery().list();
    assertEquals(1, incidentList.size());


    Incident incident = runtimeService.createIncidentQuery().processInstanceId(processInstance.getId()).singleResult();


    List<ProcessInstance> processInstanceList = runtimeService
        .createProcessInstanceQuery()
        .incidentMessage(incident.getIncidentMessage()).list();


    assertEquals(1, processInstanceList.size());
    assertEquals(processInstance.getId(), processInstanceList.get(0).getId());
  }

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    // get the job
    Job job = managementService.createJobQuery().processInstanceId(processInstance.getId()).singleResult();
    assertNotNull(job);


    // there exists one incident to failed
    Incident incident = runtimeService.createIncidentQuery().processInstanceId(processInstance.getId()).singleResult();
    assertNotNull(incident);


    // delete the job
    managementService.deleteJob(job.getId());


    // the incident has been deleted too.
    incident = runtimeService.createIncidentQuery().incidentId(incident.getId()).singleResult();
    assertNull(incident);
  }

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    // job exists
    Job job = managementService.createJobQuery().processInstanceId(processInstance.getId()).singleResult();
    assertNotNull(job);


    // incident was created
    Incident incident = runtimeService.createIncidentQuery().processInstanceId(processInstance.getId()).singleResult();
    assertNotNull(incident);


    // set execution variable from "true" to "false"
    runtimeService.setVariable(processInstance.getId(), "fail", new Boolean(false));

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    assertNotNull(job);


    assertEquals(0, job.getRetries());


    // incident was created
    Incident incident = runtimeService.createIncidentQuery().configuration(job.getId()).singleResult();
    assertNotNull(incident);


    // manually delete job for timer start event
    managementService.deleteJob(job.getId());
  }

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    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("failingProcess");


    executeAvailableJobs();


    IncidentQuery query = runtimeService.createIncidentQuery().processInstanceId(processInstance.getId());
    Incident incident = query.singleResult();
    assertNotNull(incident);


    JobDefinition jobDefinition = managementService.createJobDefinitionQuery().singleResult();


    // set retries to 1 by job definition id
    managementService.setJobRetriesByJobDefinitionId(jobDefinition.getId(), 1);


    // the incident still exists
    Incident tmp = query.singleResult();
    assertEquals(incident.getId(), tmp.getId());


    // execute the available job (should fail again)
    executeAvailableJobs();


    // the incident still exists and there
    // should be not a new incident
    assertEquals(1, query.count());
    tmp = query.singleResult();
    assertEquals(incident.getId(), tmp.getId());


  }

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  public void testIncidentUpdateAfterCompaction() {
    String processInstanceId = runtimeService.startProcessInstanceByKey("process").getId();


    executeAvailableJobs();


    Incident incident = runtimeService.createIncidentQuery().singleResult();
    assertNotNull(incident);
    assertNotSame(processInstanceId, incident.getExecutionId());


    runtimeService.correlateMessage("Message");


    incident = runtimeService.createIncidentQuery().singleResult();
    assertNotNull(incident);


    // incident updated with new execution id after execution tree is compacted
    assertEquals(processInstanceId, incident.getExecutionId());
  }

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    String processInstanceId = runtimeService.createProcessInstanceQuery()
        .processDefinitionKey(PROCESS_DEFINITION_KEY)
        .singleResult()
        .getId();


    Incident incident = runtimeService.createIncidentQuery()
        .processInstanceId(processInstanceId)
        .singleResult();


    HistoricIncidentQuery query = historyService.createHistoricIncidentQuery()
        .causeIncidentId(incident.getId());


    assertEquals(2, query.list().size());
    assertEquals(2, query.count());
  }

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