In Data migrator, Add validation of the runtime state

[yanavasileva]

Acceptance Criteria (Required on creation)

• Add validation of the runtime state and log an error if the process instance is in an incompatible state.
  • Skip process instance when state is not migratable.
  • Migration should continue if a problem occurs, but it should be logged so the user can address it later.
  • If an error occurs that doesn’t allow a process instance to be migrated, we should remember this process instance as skipped and allow us to retry it later on.
  • Exception handling: Any thrown exception would break the continuation of the migration. Wrap around instance creation and mark the instance as skipped (info). Print exception in (debug).
  • Handling of multi-instance scenario (unsupported).
    • If activityId contains #multiInstanceBody => skip whole process instance and log this, multi instance scenario is not supported
    • Clean up if any existing multi-instance code.
    • Add tests
    • Document limitation

Hints

• Time estimate: 2 days

Links

• depends on In Data migrator, Add tests for all executable BPMN elements #4996 &
• depends on In Data migrator, Introduce mode to list and retry the migration of skipped entities #4986

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