How to approach error handling in a Process? Thoughts and c

[james1969]

I am working on a high volume application where JPBM is being used to manage assets that need to be programatically modified. I currently have 1 workflow for every asset type. Within each workflow, I'm using nodetype 'node' where each node executes a basic operation (ActionHandler with code to do the operation) on the asset programatically (no human intervention).

Because these are automated processes and each node has a predefined operation on the asset, I have to handle error conditions. My thought is to have a generic global error node to transition to if any exceptions are thrown in each node. But I have found that you can only transition to nodes defined within a process definition. So in my scenario with multiple process definitions, I would need to define an error node in each process. So my thought about having 1 global error node won't work.

Another thought is to define an 'error process'. Is there a way to jump from one process instance to a completely different and new process instance? So for example, I'm currently executing in process A instance A1 and I come across an exception, can I create a new process instance B1 of process B and transition from A1 to B1?

Comments and thoughts please?

[james1969]

I forgot to mention, the intention behind having an 'error node' or 'error process' is for humans to analyze what went wrong and determine what to do for that specific exection thrown for that specific asset that is being modified in the process instance.

[cwad0000]

just a comment regarding error handling, i am using the same way for handling of errors:
for each node where some kind of error can happen, i make a transition to an "AdminNode" and the admin node has transitions to each of all other node so that via a web interface an "admin" can view all process variables etc, and decide on which transition the workflow should go (or terminate the process completely)

[hoogenbj]

You could define an exception handler and inside the action handler class you can put the token in an arbitrary node in the graph with Token.setNode(Node node). Possibly that node can be a process node...