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

Complete migration analysis
πŸ“… 2026-07-07 06:23:18
Camunda BPMN
8.9.0
Camunda SDK
8.5.0
Spring Boot
3.4.0
JDK
21
1
BPMN Processes
βœ… Migrated
4
Source Nodes
βœ… Parsed
4
Migrated Nodes
βœ… Parsed
2
Delegates Referenced
βœ… Found
0
Delegates in JAR
⚠️ 2 not in JAR
0
Spring Boot Workers
βœ… Generated
0
Plain Java Workers
βœ… Generated
0
Service Tasks
βœ… Converted
0
User Tasks
⚠️ -1 No Forms
0
Script Tasks
⚠️ Need Workers
0
FEEL Expressions
βœ… Converted
1
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˜•
2 JavaDelegates referenced in BPMN β†’ 0 found in JAR ⚠️ 2 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
send-email.bpmn 17 Send Email Simple 4 1 0 1 0 0 0 0 0 0 0 1

β˜• Delegate to Worker Mapping

Java Delegate Used In Plain Java Worker Spring Boot Worker
CAMUNDA β€” β€”
email send-email.bpmn→Send Email — —
Summary: 2 delegates referenced in BPMN β†’ 0 found in JAR β†’ 0 Spring Boot workers + 0 Plain Java workers generated | ⚠️ 2 delegate(s) missing from JAR: CAMUNDA, email

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
send-email.bpmn 17 Start StartEvent Start Start StartEvent Start βœ… Preserved
Send Email sendEmailTask Service Task Send Email sendEmailTask Service Task βœ… Preserved
End EndEvent End End EndEvent End βœ… Preserved
Enter Message enterMessageTask User Task Enter Message enterMessageTask User Task βœ… Preserved
TOTAL NODES ANALYZED: 4
Source Nodes: 4 β†’ Migrated Nodes: 4 Diff: 0
βœ… Preserved  |  πŸ”„ Changed  |  πŸ”΅ Transformed  |  🟠 Review Required  |  πŸ”΄ Verify Required  |  ❌ Removed  |  βœ… New Node Added
πŸ“„ send-email.bpmn ⚠️ With Warnings Simple
Send Email Nodes: 4 Transforms: 0 Warnings: 1 Special: 0 Delegates: 1 β–Ό
Process ID: send-email  |  Version: Camunda 8.9.0 Complexity: Simple Process Name: Send Email
πŸ“‹ Java Delegate Usage & Worker Mapping
S.No Java Delegate Used In Task Plain Java Workers Spring Boot Workers
1 email Send Email 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
enterMessageTask Enter Message ❌ No
πŸ“‹ Source BPMN
βœ… Converted BPMN
# Parent Node ID Node Name Original Type Converted Type Status
1 -- (Start) StartEvent Start Start Start βœ… Success
2 -- (Start) sendEmailTask Send Email Service Task Service Task βœ… Success
3 -- (Start) EndEvent End End End βœ… Success
4 -- (Start) enterMessageTask Enter Message User Task User Task βœ… Success
⚠️ Warnings - Action Required
πŸ“Œ Unknown
Issue: User Task 'Enter Message' 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.