Java · Code migrations

Create a new Axon Framework 4→5 migration path documentation page.

AxonIQ/AxonFramework

Guidance for Groovy 5 work in Grails projects: syntax, closures, traits, DSLs, metaprogramming, Spock tests, static compilation and Java 21 integration.

apache/grails-core

Plans a WxJava version upgrade, checking the BOM, module dependencies, JDK version and configuration, with phased steps and clear rollback conditions.

binarywang/WxJava

Guide for writing modern Java 21 in a Grails and Groovy codebase: records, sealed classes, pattern matching, text blocks and how Java works alongside Groovy.

apache/grails-core

Guides moving a Grails application from 7.x to Grails 8 and turns the official upgrade guide into a checklist of breaking changes.

apache/grails-core

Audits existing tests in any language using formal, research-backed test smell names and the testsmells.org 19-smell academic taxonomy.

dotnet/skills

Neo4j Java Driver v6 — driver lifecycle, Maven/Gradle setup, executableQuery, executeRead/Write managed transactions, explicit transactions, async/reactive patterns, error handling, data type…

neo4j-contrib/neo4j-skills

A skill your agent uses when building Spring Boot applications with Neo4j using Spring Data Neo4j (SDN 7.x/8.x) — @Node entity mapping, @Relationship, @RelationshipProperties, Neo4jRepository…

neo4j-contrib/neo4j-skills

Identify and replace deprecated API usage in source code with modern alternatives.

ArabelaTso/Skills-4-SE

End-to-end COBOL to Java migration workflow. An agent skill from OpenHands/extensions.

OpenHands/extensions

Upgrade Apache Spark applications between major versions (2.x→3.x, 3.x→4.x).

OpenHands/extensions