🔧 Camunda 7.x - 8.8 to 8.9 Migration Project Report

Complete migration analysis
📅 2026-07-06 15:23:24
Camunda BPMN
8.9.0
Camunda SDK
8.5.0
Spring Boot
3.4.0
JDK
21
1
BPMN Processes
✅ Migrated
6
Source Nodes
✅ Parsed
6
Migrated Nodes
✅ Parsed
0
Delegates Referenced
✅ Found
0
Delegates in JAR
✅ All available
0
Spring Boot Workers
✅ Generated
0
Plain Java Workers
✅ Generated
3
Service Tasks
✅ Converted
1
User Tasks
⚠️ 0 No Forms
0
Script Tasks
⚠️ Need Workers
0
FEEL Expressions
✅ Converted
1
Forms
✅ Migrated
3
Critical/High Issues
🚨 Must Fix

📊 Complexity Distribution

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

📋 Executive Summary

📊
1 BPMN processes migrated successfully
0 JavaDelegates referenced in BPMN → 0 found in JAR
⚙️
0 Plain Java workers generated from available delegates
📝
0 Script Tasks across 0 processes
⚠️
3 critical/high and 1 medium issues
🎯
0 FEEL expressions converted from JUEL

📊 Process Complexity Distribution

BPMN File Score Process Complexity Nodes Service Script User Gateways Events Timer Cancel Comp Cond Trans Java
weatherinfo-process.bpmn 27 Get and Send Weather Info Simple 6 3 0 1 0 0 0 0 0 0 0 0

☕ Delegate to Worker Mapping

Java Delegate Used In Plain Java Worker Spring Boot Worker
Summary: 0 delegates referenced in BPMN → 0 found in JAR → 0 Spring Boot workers + 0 Plain Java workers generated

📦 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)

🔄 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
weatherinfo-process.bpmn 27 Wetherinfo necessary StartEvent_1 Start Wetherinfo necessary StartEvent_1 Start ✅ Preserved
Weatherinfo sent Event_0lzaaul End Weatherinfo sent Event_0lzaaul End ✅ Preserved
Choose location Activity_0yj7j2s User Task Choose location Activity_0yj7j2s User Task ✅ Preserved
Get weather information Activity_1gvjuhb Service Task Get weather information Activity_1gvjuhb Service Task ✅ Preserved
Send information via mail Activity_00f0g60 Service Task Send information via mail Activity_00f0g60 Service Task ✅ Preserved
Search suited activity Activity_1skl7g5 Service Task Search suited activity Activity_1skl7g5 Service Task ✅ Preserved
TOTAL NODES ANALYZED: 6
Source Nodes: 6 → Migrated Nodes: 6 Diff: 0
Preserved  |  🔄 Changed  |  🔵 Transformed  |  🟠 Review Required  |  🔴 Verify Required  |  Removed  |  New Node Added
📄 weatherinfo-process.bpmn ⚠️ With Warnings Simple
Get and Send Weather Info Nodes: 6 Transforms: 0 Warnings: 4 Special: 0 Delegates: 0
Process ID: WeatherInfoProcess  |  Version: Camunda 8.9.0 Complexity: Simple Process Name: Get and Send Weather Info
✅ Improvement Suggestions
[MEDIUM] 1 User Task(s) have no forms defined
💡 Create and attach Camunda 8 forms to these user tasks
🏗️ Camunda 8 Way: Use Camunda 8 Forms with zeebe:formDefinition
📋 User Task Form Association
Task ID Task Name Has Form
Activity_0yj7j2s Choose location ❌ No
📋 Source BPMN
✅ Converted BPMN
# Parent Node ID Node Name Original Type Converted Type Status
1 -- (Start) StartEvent_1 Wetherinfo necessary Start Start ✅ Success
2 -- (Start) Event_0lzaaul Weatherinfo sent End End ✅ Success
3 -- (Start) Activity_0yj7j2s Choose location User Task User Task ✅ Success
4 -- (Start) Activity_1gvjuhb Get weather information Service Task Service Task ✅ Success
5 -- (Start) Activity_00f0g60 Send information via mail Service Task Service Task ✅ Success
6 -- (Start) Activity_1skl7g5 Search suited activity Service Task Service Task ✅ Success
⚠️ Warnings - Action Required
📌 Unknown
Issue: User Task 'Choose location' has no form
💡 Recommendation: Create and attach a Camunda 8 form
📌 Unknown
Issue: Service Task 'Get weather information' has no delegate
💡 Recommendation: Create a Zeebe Job Worker
📌 Unknown
Issue: Service Task 'Send information via mail' has no delegate
💡 Recommendation: Create a Zeebe Job Worker
📌 Unknown
Issue: Service Task 'Search suited activity' has no delegate
💡 Recommendation: Create a Zeebe Job Worker

📚 Appendix: Reference Documentation

Camunda 8.9 Official Documentation

Specific Migration Guides

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