NullPointerException in JUEL evaluation in FormService

[frauke]

Hi,

I have a problem after switching to release RC1, concerning the new FormService.
The code

processEngine.getFormService().getRenderedTaskForm(taskId);
‍‍‍

throws an exception:

java.lang.NullPointerException
   at org.activiti.engine.impl.form.JuelFormEngine.getFormTemplateString(JuelFormEngine.java:58)
   at org.activiti.engine.impl.form.JuelFormEngine.renderTaskForm(JuelFormEngine.java:44)
   at org.activiti.engine.impl.cmd.GetRenderedTaskFormCmd.execute(GetRenderedTaskFormCmd.java:62)
   at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:22)
   at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:36)
   at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)
   at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
   at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
   at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
   at org.activiti.engine.impl.FormServiceImpl.getRenderedTaskForm(FormServiceImpl.java:44)‍‍‍‍‍‍‍‍‍‍‍‍

[tombaeyens]

check the activiti:formKey attribute on the activity.  it has changed from activiti:form to activiti:formKey i think.

[frauke]

Yes, I changed that, but it happens nonetheless.

<userTask id="cardRequest" name="Create card request" activiti:formKey="form-card.xml" />
Frauke

[jbarrez]

What do you want: the rendered form? Because i see that you are using an .xml suffix. Is it a valid form?

Or do you just want to retrieve the key ?

[frauke]

I need just the key.

[frauke]

Hi everybody,

do you have any ideas on that so far?
I'm stuck with this problem, I fear, so I am thinking about returning to beta2.

Frauke

[frederikherema1]

Can you double-check (in for example probe) that the resource with name "form-card.xml" is deployed in the same deployment as the process-definition for the task?

[frauke]

I don't need it as a resource, but just as a key…. that I access via FormService.
Or is it because of the name ("*.xml")?
But on the other hand I have an example with a simple name (without ".xml"), which causes the same problem.

[jbarrez]

If you only need the key, you can do:

StartFormData startForm = formService.getStartFormData(processDefinitionId);
String formKey = startForm.getFormKey();

[frauke]

Great, Thanks a lot!!!