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

Complete migration analysis
📅 2026-07-05 22:57:52
Camunda BPMN
8.9.0
Camunda SDK
8.5.0
Spring Boot
3.4.0
JDK
21
3
BPMN Processes
✅ Migrated
11
Source Nodes
✅ Parsed
11
Migrated Nodes
✅ Parsed
3
Delegates Referenced
✅ Found
0
Delegates in JAR
⚠️ 3 not in JAR
0
Spring Boot Workers
✅ Generated
0
Plain Java Workers
✅ Generated
5
Service Tasks
✅ Converted
0
User Tasks
⚠️ 0 No Forms
0
Script Tasks
⚠️ Need Workers
5
FEEL Expressions
✅ Converted
0
Forms
✅ Migrated
0
Critical/High Issues
🚨 Must Fix

📊 Complexity Distribution

Simple 3
Medium 0
Complex 0
Very Complex 0
Critical 0
Very Critical 0
Extreme Critical 0

📋 Executive Summary

📊
3 BPMN processes migrated successfully
☕
3 JavaDelegates referenced in BPMN → 0 found in JAR ⚠️ 3 missing
⚙️
0 Plain Java workers generated from available delegates
📝
0 Script Tasks across 0 processes
⚠️
0 critical/high and 0 medium issues
🎯
5 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
demoProcess.bpmn 30 demoProcess Simple 5 3 0 0 0 0 0 0 0 0 0 3
demoProcessSingleTask.bpmn 14 demoProcessSingleTask Simple 3 1 0 0 0 0 0 0 0 0 0 1
exampleProcess.bpmn 14 Example process Simple 3 1 0 0 0 0 0 0 0 0 0 1

☕ Delegate to Worker Mapping

Java Delegate Used In Plain Java Worker Spring Boot Worker
bar demoProcess.bpmn→task B — —
foo demoProcess.bpmn→task A, demoProcess.bpmn→task C and 1 more... — —
send-email exampleProcess.bpmn→Send email — —
Summary: 3 delegates referenced in BPMN → 0 found in JAR → 0 Spring Boot workers + 0 Plain Java workers generated | ⚠️ 3 delegate(s) missing from JAR: send-email, foo, bar

📦 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
demoProcess.bpmn 30 start start Start start start Start ✅ Preserved
end end End end end End ✅ Preserved
task A taskA Service Task task A taskA Service Task ✅ Preserved
task B taskB Service Task task B taskB Service Task ✅ Preserved
task C taskC Service Task task C taskC Service Task ✅ Preserved
demoProcessSingleTask.bpmn 14 start start Start start start Start ✅ Preserved
end end End end end End ✅ Preserved
task A taskA Service Task task A taskA Service Task ✅ Preserved
exampleProcess.bpmn 14 Event_13xihl3 End Event_13xihl3 End ✅ Preserved
Send email sendEmail Service Task Send email sendEmail Service Task ✅ Preserved
StartEvent_1 Start StartEvent_1 Start ✅ Preserved
TOTAL NODES ANALYZED: 11
Source Nodes: 11 → Migrated Nodes: 11 Diff: 0
✅ Preserved  |  🔄 Changed  |  🔵 Transformed  |  🟠 Review Required  |  🔴 Verify Required  |  ❌ Removed  |  ✅ New Node Added
📄 demoProcess.bpmn ✅ Success Simple
unnamed Nodes: 5 Transforms: 0 Warnings: 0 Special: 0 Delegates: 3 ▼
Process ID: demoProcess  |  Version: Camunda 8.9.0 Complexity: Simple ⚠️ Missing Process Name
📋 Java Delegate Usage & Worker Mapping
S.No Java Delegate Used In Task Plain Java Workers Spring Boot Workers
1 foo task A — —
2 foo task C — —
3 bar task B — —
✅ Improvement Suggestions
[MEDIUM] Process has no meaningful name
💡 Add a descriptive process name for better identification
🏗️ Camunda 8 Way: Use meaningful process names in BPMN
📋 Source BPMN
✅ Converted BPMN
# Parent Node ID Node Name Original Type Converted Type Status
1 -- (Start) start start Start Start ✅ Success
2 -- (Start) end end End End ✅ Success
3 -- (Start) taskA task A Service Task Service Task ✅ Success
4 -- (Start) taskB task B Service Task Service Task ✅ Success
5 -- (Start) taskC task C Service Task Service Task ✅ Success
📄 demoProcessSingleTask.bpmn ✅ Success Simple
unnamed Nodes: 3 Transforms: 0 Warnings: 0 Special: 0 Delegates: 1 ▼
Process ID: demoProcessSingleTask  |  Version: Camunda 8.9.0 Complexity: Simple ⚠️ Missing Process Name
📋 Java Delegate Usage & Worker Mapping
S.No Java Delegate Used In Task Plain Java Workers Spring Boot Workers
1 foo task A — —
✅ Improvement Suggestions
[MEDIUM] Process has no meaningful name
💡 Add a descriptive process name for better identification
🏗️ Camunda 8 Way: Use meaningful process names in BPMN
📋 Source BPMN
✅ Converted BPMN
# Parent Node ID Node Name Original Type Converted Type Status
1 -- (Start) start start Start Start ✅ Success
2 -- (Start) end end End End ✅ Success
3 -- (Start) taskA task A Service Task Service Task ✅ Success
📄 exampleProcess.bpmn ✅ Success Simple
Example process Nodes: 3 Transforms: 0 Warnings: 0 Special: 0 Delegates: 1 ▼
Process ID: exampleProcess  |  Version: Camunda 8.9.0 Complexity: Simple Process Name: Example process
📋 Java Delegate Usage & Worker Mapping
S.No Java Delegate Used In Task Plain Java Workers Spring Boot Workers
1 send-email Send email — —
📋 Source BPMN
✅ Converted BPMN
# Parent Node ID Node Name Original Type Converted Type Status
1 -- (Start) Event_13xihl3 End End ✅ Success
2 -- (Start) sendEmail Send email Service Task Service Task ✅ Success
3 -- (Start) StartEvent_1 Start Start ✅ Success

📚 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.

Generated by Camunda Migration Tool

2026-07-05 22:57:52