πŸ”§ Camunda 7.x - 8.8 to 8.9 Migration Project Report

Complete migration analysis
πŸ“… 2026-07-06 15:22:34
Camunda BPMN
8.9.0
Camunda SDK
8.5.0
Spring Boot
3.4.0
JDK
21
1
BPMN Processes
βœ… Migrated
6
Source Nodes
βœ… Parsed
6
Migrated Nodes
βœ… Parsed
3
Delegates Referenced
βœ… Found
0
Delegates in JAR
⚠️ 3 not in JAR
0
Spring Boot Workers
βœ… Generated
0
Plain Java Workers
βœ… Generated
2
Service Tasks
βœ… Converted
3
User Tasks
⚠️ 3 No Forms
0
Script Tasks
⚠️ Need Workers
0
FEEL Expressions
βœ… Converted
0
Forms
βœ… Migrated
0
Critical/High Issues
🚨 Must Fix

πŸ“Š Complexity Distribution

Simple 1
Medium 0
Complex 0
Very Complex 0
Critical 0
Very Critical 0
Extreme Critical 0

πŸ“‹ Executive Summary

πŸ“Š
1 BPMN processes migrated successfully
β˜•
3 JavaDelegates referenced in BPMN β†’ 0 found in JAR ⚠️ 3 missing
βš™οΈ
0 Plain Java workers generated from available delegates
πŸ“
0 Script Tasks across 0 processes
⚠️
0 critical/high and 1 medium issues
🎯
0 FEEL expressions converted from JUEL

πŸ“Š Process Complexity Distribution

BPMN File Score Process Complexity Nodes Service Script User Gateways Events Timer Cancel Comp Cond Trans Java
rollback-process.bpmn 28 Rollback On Error Simple 6 2 0 1 0 0 0 0 0 0 0 2

β˜• Delegate to Worker Mapping

Java Delegate Used In Plain Java Worker Spring Boot Worker
=saveDataType rollback-process.bpmn→Save data — —
=validateDataType rollback-process.bpmn→Validate data — —
CAMUNDA β€” β€”
Summary: 3 delegates referenced in BPMN β†’ 0 found in JAR β†’ 0 Spring Boot workers + 0 Plain Java workers generated | ⚠️ 3 delegate(s) missing from JAR: =saveDataType, =validateDataType, CAMUNDA

πŸ“¦ JAR Summary

Category Count Description
Plain Java Individual JARs 0 None generated
Spring Boot Individual JARs 0 None generated
Plain Java Group JAR 0 None generated
Spring Boot Group JAR 0 None generated
ScriptWorker Individual JARs 0 None generated
TOTAL JARs 0 All JAR files generated
Deployment Options: Microservice (0 JARs) | Monolith (Spring Boot: 0 JAR) | Monolith (Plain Java: 0 JAR)

πŸ”„ Transformation Analysis - Actual BPMN Nodes

Note: All BPMN nodes are listed.

BPMN File Name Score Source Node Source ID Source Type Migrated Node Migrated ID Migrated Type Status
rollback-process.bpmn 28 Process started ProcessStartedStartEvent Start Process started ProcessStartedStartEvent Start βœ… Preserved
Enter data EnterDataTask User Task Enter data EnterDataTask User Task βœ… Preserved
Validate data ValidateDataTask Service Task Validate data ValidateDataTask Service Task βœ… Preserved
Save data SaveDataTask Service Task Save data SaveDataTask Service Task βœ… Preserved
Process complete ProcessCompleteEndEvent End Process complete ProcessCompleteEndEvent End βœ… Preserved
TextAnnotation_0q9efln textAnnotation TextAnnotation_0q9efln textAnnotation βœ… Preserved
TOTAL NODES ANALYZED: 6
Source Nodes: 6 β†’ Migrated Nodes: 6 Diff: 0
βœ… Preserved  |  πŸ”„ Changed  |  πŸ”΅ Transformed  |  🟠 Review Required  |  πŸ”΄ Verify Required  |  ❌ Removed  |  βœ… New Node Added
πŸ“„ rollback-process.bpmn ⚠️ With Warnings Simple
Rollback On Error Nodes: 6 Transforms: 0 Warnings: 1 Special: 0 Delegates: 2 β–Ό
Process ID: RollbackOnErrorProcess  |  Version: Camunda 8.9.0 Complexity: Simple Process Name: Rollback On Error
πŸ“‹ Java Delegate Usage & Worker Mapping
S.No Java Delegate Used In Task Plain Java Workers Spring Boot Workers
1 =validateDataType Validate data β€” β€”
2 =saveDataType Save data β€” β€”
βœ… Improvement Suggestions
[MEDIUM] 1 User Task(s) have no forms defined
πŸ’‘ Create and attach Camunda 8 forms to these user tasks
πŸ—οΈ Camunda 8 Way: Use Camunda 8 Forms with zeebe:formDefinition
πŸ“‹ User Task Form Association
Task ID Task Name Has Form
EnterDataTask Enter data ❌ No
πŸ“‹ Source BPMN
βœ… Converted BPMN
# Parent Node ID Node Name Original Type Converted Type Status
1 -- (Start) ProcessStartedStartEvent Process started Start Start βœ… Success
2 -- (Start) EnterDataTask Enter data User Task User Task βœ… Success
3 -- (Start) ValidateDataTask Validate data Service Task Service Task βœ… Success
4 -- (Start) SaveDataTask Save data Service Task Service Task βœ… Success
5 -- (Start) ProcessCompleteEndEvent Process complete End End βœ… Success
6 -- (Start) TextAnnotation_0q9efln textAnnotation textAnnotation βœ… Success
⚠️ Warnings - Action Required
πŸ“Œ Unknown
Issue: User Task 'Enter data' has no form
πŸ’‘ Recommendation: Create and attach a Camunda 8 form

πŸ“š Appendix: Reference Documentation

Camunda 8.9 Official Documentation

Specific Migration Guides

πŸ’‘ All links are to the official Camunda 8.9 documentation. For the most up-to-date information, please refer to the official documentation.