[jboss-dev-forums] [jBPM Development] - Re: Why complete the human task with contentdata, however the process variable is null

[Krisv W]

Krisv W [https://community.jboss.org/people/gang2007] created the discussion

"Re: Why complete the human task with contentdata, however the process variable is null"

To view the discussion, visit: https://community.jboss.org/message/811152#811152

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Hi!
I tried to remove all parameter mappings and result mappings in the bpmn file. And it worked. How could it be? I'm confused about the mapping relationship between the process variables and contentdata.
Could anyone help me, please?
Any help is appreciated!
Best Regards
> Krisv W 编写:
> 
> Hi!
> I'm using the local task service with jBPM5.3 version. Question is when I complete the task with contentdata with the following code, the process variable is null. Through kcontext.getVariable("quantity"), I get null.
> I'm confused about the relationship between the process variables and contentdata.
> 
>    TaskService client = LocalHumanTaskService.getTaskService(ksession);
>  
>     Map<String,Object> data = *new* HashMap<String,Object>();
>     data.put("priority", request.getParameter("priority"));
>     data.put("modelNumber", request.getParameter("modelNumber"));
>     data.put("quantity", request.getParameter("quantity"));
>  
>     ContentData contentData = *null*;
>     *if* (data != *null*) {
>        ByteArrayOutputStream bos = *new* ByteArrayOutputStream();
>        ObjectOutputStream out;
>        *try* {
>            out = *new* ObjectOutputStream(bos);
>            out.writeObject(data);
>            out.close();
>            contentData = *new* ContentData();
>            contentData.setContent(bos.toByteArray());
>            contentData.setAccessType(AccessType.Inline);
>         } *catch* (IOException e) {
>            e.printStackTrace();
>         }
>      }
>     
>      client.complete(taskId, userId, contentData); 
>  
> 
> 
> 
> 
> 
> Could anyone help me, please?
> 
> Any help is appreciated. Thank you!
> 
> Best Regards
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