How to process/read the xml created by bpmn.io in java

The xml created by bpmn.io is unable to process using activiti engine in java. Can anyone suggest me how can i process the workflow xml created by bpmn.io in java spring boot maven project

Please be more specific:

  • What did you model? How did you model?
  • What does unable to process using activiti engine mean?

I have created workflow using https://demo.bpmn.io/ demo . After downloading it I got diagram.bpmn.xml now i want to proccess this xml in java (I want to implement this workflow process). Activiti engine is unable to process this xml. Now my question is how can i process this workflow xml in java?

Activiti engine is unable to process this xml.

Please provide more details (error messages, stack traces, …).

Its giving error nullpointerexception for the taskname of that process.

Is there anyone who can help me?