springboot-migration
Migrates Spring Boot applications to Boot 4 with Java 25, including related Spring Modulith 2 and Testcontainers 2 upgrade work. Use when the task is a concrete upgrade, dependency transition, starter rename, test-annotation migration, or phased migration plan. Do not use for greenfield project creation or for isolated repository design questions.
95
Quality
100%
Does it follow best practices?
Impact
94%
2.29xAverage score across 8 eval scenarios
Passed
No known issues
Evaluation results
100%
70%Upgrade E-Commerce REST API to Spring Boot 4
Spring Boot 4 dependency and starter migration
Scan before migrating
0%
100%
Phased migration plan
100%
100%
Spring Boot version updated
100%
100%
Java version updated to 25
100%
100%
Web starter renamed
0%
100%
AOP starter renamed
0%
100%
Security test starter updated
0%
100%
Flyway starter added
0%
100%
Jackson class renamed
0%
100%
EntityScan import relocated
0%
100%
Jackson properties updated
0%
100%
MockBean migrated
100%
100%
Without context: $0.6039 · 2m 39s · 21 turns · 24 in / 10,279 out tokens
With context: $1.5109 · 3m 57s · 48 turns · 8,140 in / 15,447 out tokens
100%
61%Upgrade Order Processing Service to Latest Spring Stack
Full stack migration with Spring Modulith and Testcontainers
Migration order documented
100%
100%
Spring Boot 4 version
100%
100%
Web starter renamed
0%
100%
Modulith version updated
100%
100%
Event publication schema migration
0%
100%
Testcontainers artifacts renamed
0%
100%
Testcontainers import relocated
0%
100%
Generic type removed
0%
100%
MockBean migrated
100%
100%
Flyway starter added
0%
100%
Java version updated
0%
100%
Testcontainers version updated
100%
100%
Without context: $0.8967 · 3m 36s · 34 turns · 40 in / 13,027 out tokens
With context: $1.7041 · 4m 8s · 45 turns · 8,644 in / 14,480 out tokens
89%
30%Upgrade User Management Service Tests for Spring Boot 4
Test annotation migration and MockMvc configuration
SharedTestMocks refactored
100%
100%
Mocks moved to test fields
16%
41%
WebMvcTest MockBean migrated
100%
100%
WebMvcTest import relocated
0%
100%
AutoConfigureMockMvc added
100%
100%
Integration test MockBean migrated
100%
100%
JsonComponent renamed
0%
100%
Web starter renamed
0%
100%
Spring Boot 4 version
100%
100%
Java version updated
100%
100%
Phased approach documented
100%
100%
Scan or analysis first
40%
20%
Without context: $0.7201 · 3m 3s · 25 turns · 28 in / 11,643 out tokens
With context: $2.1102 · 6m 4s · 61 turns · 7,697 in / 22,606 out tokens
100%
74%Upgrade Document Storage Service to Spring Boot 4
Testcontainers 2 and LocalStack API migration
LocalStack Service enum removed
100%
100%
withServices removed
0%
100%
getEndpoint used
0%
100%
PostgreSQL import relocated
0%
100%
LocalStack import relocated
0%
100%
Generic types removed
0%
100%
Testcontainers artifacts renamed
0%
100%
Web starter renamed
0%
100%
MockBean migrated
100%
100%
WebMvcTest import relocated
0%
100%
Spring Boot 4 version
100%
100%
Java version updated
100%
100%
Without context: $0.6496 · 3m 27s · 20 turns · 25 in / 11,830 out tokens
With context: $1.4108 · 4m 29s · 46 turns · 51 in / 16,029 out tokens
100%
67%Upgrade Payment Gateway Service to Spring Boot 4
Jackson 3 migration and retry resilience annotations
Jackson customizer renamed
0%
100%
JsonComponent renamed
0%
100%
Jackson properties updated
0%
100%
AOP starter renamed
0%
100%
Retry mechanism addressed
50%
100%
Web starter renamed
0%
100%
MockBean migrated
100%
100%
WebMvcTest import relocated
0%
100%
Spring Boot 4 version
100%
100%
Java version updated
100%
100%
Phased approach
100%
100%
Testing phase documented
60%
100%
Without context: $0.5846 · 2m 33s · 22 turns · 27 in / 9,746 out tokens
With context: $1.1488 · 3m 32s · 39 turns · 7,602 in / 12,212 out tokens
97%
31%Upgrade Large Retail Platform to Spring Boot 4
Migration output format and classic starters strategy
Migration scope section
100%
100%
Planned phases section
100%
100%
Files expected to change section
100%
100%
Verification section
70%
100%
Phase reporting: what changed
100%
100%
Phase reporting: safe to continue
100%
100%
Classic starters used
0%
100%
Security test starter updated
0%
100%
Jackson properties updated
0%
100%
MockBean migrated
100%
100%
Spring Boot 4 version
100%
100%
Java 25 target
0%
0%
Without context: $0.5433 · 2m 33s · 23 turns · 26 in / 8,575 out tokens
With context: $1.0029 · 3m 43s · 32 turns · 1,513 in / 13,045 out tokens
78%
31%Migrate Notification Service to Spring Boot 4
AOP starter conditional and Boot 4 default behavior changes
AOP starter NOT renamed to aspectj
100%
100%
Health probes default documented
35%
100%
DevTools live reload default documented
100%
100%
Web starter renamed
0%
100%
MockBean migrated
0%
100%
Spring Boot 4 version
100%
100%
Java 25 target
0%
0%
Scan step documented
25%
0%
Phased approach
33%
100%
Phase safety reported
0%
0%
Without context: $0.4779 · 2m 42s · 17 turns · 21 in / 8,792 out tokens
With context: $0.5137 · 2m 3s · 19 turns · 7,581 in / 6,341 out tokens
88%
58%Migrate Configuration Service to Spring Boot 4
BootstrapRegistry relocation and Jackson dependency group ID exception
BootstrapRegistry import relocated
0%
100%
BootstrapContext import relocated
0%
100%
jackson-databind group ID updated
0%
100%
jackson-annotations group ID unchanged
100%
100%
WebMvcTest import relocated
0%
100%
MockBean migrated
100%
100%
Web starter renamed
0%
100%
Spring Boot 4 version
100%
100%
Java 25 target
0%
0%
Scan step documented
0%
0%
Without context: $0.5490 · 2m 43s · 24 turns · 27 in / 9,448 out tokens
With context: $0.7438 · 2m 38s · 27 turns · 7,589 in / 9,280 out tokens
- Commit
0d6b2f9
- Evaluated
- Agent
- Claude Code
- Model
- Claude Sonnet 4.6
Table of Contents
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