camunda:class or namespaces, prefixes and Eclipse BPMN Editor

[Michael Grom]

Dear Forum,

just upgraded my little PoC from alpha6 to alpha9 and that was probably a step too huge to take. :-( All *.bpmn files seem to fail with some odd error and wrong line number indication. I noticed that in the BPMN2.0 reference, the activity prefix was replaced by "camunda" and for sure is also the namespace uri (http://www.activity.org/bpm" -> ???).
http://docs.camunda.org/api-references/bpmn20/#!/tasks/service-task

Could this be the reason for
Caused by: org.camunda.bpm.engine.ProcessEngineException: One of the attributes 'class', 'delegateExpression', 'type', 'operation', or 'expression' is mandatory on serviceTask. | RECEIVE_FORMS.bpmn | line 65 | column 92
    at org.camunda.bpm.engine.impl.util.xml.Parse.throwActivitiExceptionForErrors(Parse.java:183)
    at org.camunda.bpm.engine.impl.bpmn.parser.BpmnParse.execute(BpmnParse.java:248)

?

I noticed that the Eclipse editor is still the same. Does that make sense?

kind regards
Michael

[Nico Rehwaldt]

Hi Michael, 

in alpha9 we adjusted the prefix for process engine extensions from activiti to camunda. This however is only a cosmetical issue.

For reasons of backwards-compatibility, the namespace itself remains unchanged as both, the camunda modeler and the engine rely on it. 

We mistakenly stated in the docs that the namespace is changed, too. Theses changes have been corrected as of commit 80f0eeba.  

Do you continue to experience issues when changing the namespace back to http://activiti.org/bpmn?

Regards, 

Nico

[Michael Grom]

Unfortunately, this seems not bee the issue (the namespace), maybe related. A demo bpmn created with the same eclipse editor (but of lesser compexity) works nicely under alpha9. It's just some of the Process files that I have to admit have been "migrated" from Bonita to Camunda, with lots of manual editing because of a choking Eclipse editor..but then ran nicely until alpha9. :-(

Kind regards
Michael

On Monday, August 19, 2013 9:28:45 AM UTC+2, Michael Grom wrote:

[Bernd Rücker (camunda)]

Ist it maybe possible that you post your XML here?

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[Michael Grom]

sure... there it is!

On Monday, August 19, 2013 9:28:45 AM UTC+2, Michael Grom wrote:

[Nico Rehwaldt]

Hi Michael, 

the behavior you see is caused by recent changes in how messageEndEvents and messageIntermediateThrowEvents are handled.

In alpha9, messageEndEvents can be used in the same way serviceTasks can be used (see CAM-436). 

This however breaks with the old behavior that allowed non serviceTask-like message end events.

I created a ticket to restore the old behavior. It should work in camundaBPM 7.0 GA.

Thanks for reporting the issue! 

Nico