Java Activiti Inputs

[chunnu]

I am learning Java Activiti in order to connect a process through Java Spring MVC.

I have used the Java Service Task and my code executes. What I want to do is when the process starts I want the client to send inputs. For example send a name. How is this possible through Java Activiti? I have tried all things but can't find what I need.

Also, I would like the process to output something.

[jbarrez]

Read my quote:

If you're adventurous and want to have an easier way, check trunk:

Which means that it is the unreleased version of the next Activiti, yes 😉

So you'd need to use the first option if you stick with 5.10.

[chunnu]

Hi

For the 1st option I get a NullPointerException when trying the following

I get the History service, invoke createHistoricDetailQuery method. I then use the processInstanceId singleResult method.

When using the HistoricDetail object returned gives a NullPointerException.

Any ideas why?

Also I would like to downcast this to HistoricVariableUpdate so I can get the value of the process output variable. Still I get a NullPointerException.

[jbarrez]

I'm not following: can you copy the exact line you try to execute. The Query api shouldn't give any null pointer exceptions

[chunnu]


ProcessInstance processInstance =getRuntimeService().startProcessInstanceByKey(“process1“, map);
HistoricDetail j =getHistoryService().createHistoricDetailQuery().processInstanceId(processInstance.getProcessInstanceId()).singleResult();

j is null map is a Map<String,Object> = new HashMap<String, Object>

[jbarrez]

DId you enable history? What history level are you running on.

To be safe, set the history level to 'full', you should at least get something back then.

[chunnu]

Hi

How do you turn it on?

[ronald_van_kuij]

Uhhhmmm… By reading the documentation?