[jboss-user] [JBoss jBPM] - Saving TaksInstance, Task == NULL
I have a problem with saving task instance.
First I create the process instance and then I save it.
ProcessDefinition processDefinition =
context.getGraphSession().findLatestProcessDefinition(pName);
| org.jbpm.graph.exe.ProcessInstance processInstance = new
ProcessInstance(processDefinition);
| context.save(processInstance);
In next step I retrieve the process instance and create the start task. It takes place in
different method with new context.
public static long createStartTaskInstance(int processInstanceId, JbpmDefSession session)
throws Exception {
| JbpmContext context = session.getContext();
| try {
| ProcessInstance processInstance = context.getProcessInstance(processInstanceId);
| TaskInstance taskInstance =
processInstance.getTaskMgmtInstance().createStartTaskInstance();
| context.save(taskInstance);
| return taskInstance.getId();
| }
| catch (Exception e) {
| log.error(e);
| }
| finally {
| context.close();
| }
| }
|
After creating the start task instance I checked the JBPM_TASKINSTANCE table for this
task. I found that the task data does not have a reference to task (task_ column is empty)
as well as it has empty name_ column, the rest is ok. Because of that it is not possible
to get the Task definition from the task instance:
taskInstance.getTask()
returns null.
Where is the problem ?? Or maybe it can not be done in this way ??
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