176 lines
4.5 KiB
Markdown
176 lines
4.5 KiB
Markdown
# Java Version Modernization Checklist
|
|
|
|
## Pre-Migration Assessment
|
|
|
|
### Current State Analysis
|
|
|
|
- [ ] Current Java version identified and documented
|
|
- [ ] Application dependencies catalogued
|
|
- [ ] Framework versions documented
|
|
- [ ] Build system analyzed
|
|
- [ ] Performance baseline established
|
|
- [ ] Security vulnerabilities identified
|
|
- [ ] Technical debt assessed
|
|
- [ ] Team expertise evaluated
|
|
|
|
### Target State Planning
|
|
|
|
- [ ] Target Java version selected (Java 21 recommended)
|
|
- [ ] Compatibility matrix created
|
|
- [ ] Migration strategy defined
|
|
- [ ] Risk assessment completed
|
|
- [ ] Rollback plan created
|
|
- [ ] Timeline established
|
|
- [ ] Resource allocation confirmed
|
|
|
|
## Environment Preparation
|
|
|
|
### Development Environment
|
|
|
|
- [ ] Java 21 JDK installed
|
|
- [ ] IDE updated for Java 21
|
|
- [ ] Build tools updated
|
|
- [ ] Testing environment prepared
|
|
- [ ] Staging environment configured
|
|
- [ ] Production environment planned
|
|
- [ ] Monitoring tools updated
|
|
|
|
### Team Readiness
|
|
|
|
- [ ] Team trained on Java 21 features
|
|
- [ ] Migration tools and processes understood
|
|
- [ ] Rollback procedures documented
|
|
- [ ] Communication plan established
|
|
- [ ] Stakeholder alignment achieved
|
|
- [ ] Resource allocation confirmed
|
|
|
|
## Dependency Modernization
|
|
|
|
### Dependency Analysis
|
|
|
|
- [ ] All dependencies catalogued with versions
|
|
- [ ] Java 21 compatibility checked
|
|
- [ ] Security vulnerabilities identified
|
|
- [ ] Alternative libraries researched
|
|
- [ ] Breaking changes documented
|
|
- [ ] Migration timeline for dependencies defined
|
|
|
|
### Dependency Updates
|
|
|
|
- [ ] Maven/Gradle dependencies updated
|
|
- [ ] Framework versions upgraded
|
|
- [ ] Third-party libraries updated
|
|
- [ ] Security patches applied
|
|
- [ ] Compatibility issues resolved
|
|
- [ ] Build system updated
|
|
|
|
## Code Modernization
|
|
|
|
### Java 21 Features Adoption
|
|
|
|
- [ ] Modern Java syntax adopted (var, pattern matching)
|
|
- [ ] Records used for data classes
|
|
- [ ] Sealed classes implemented (if applicable)
|
|
- [ ] Text blocks used for multi-line strings
|
|
- [ ] Enhanced switch expressions used
|
|
- [ ] Virtual threads implemented (if applicable)
|
|
- [ ] Performance optimizations applied
|
|
|
|
### Code Quality Improvements
|
|
|
|
- [ ] Deprecated APIs replaced
|
|
- [ ] Code patterns modernized
|
|
- [ ] Performance bottlenecks identified and fixed
|
|
- [ ] Memory usage optimized
|
|
- [ ] Garbage collection tuned
|
|
- [ ] Code review completed
|
|
|
|
## Testing and Validation
|
|
|
|
### Compatibility Testing
|
|
|
|
- [ ] Unit tests updated and passing
|
|
- [ ] Integration tests updated and passing
|
|
- [ ] End-to-end tests updated and passing
|
|
- [ ] Performance tests updated and passing
|
|
- [ ] Security tests updated and passing
|
|
- [ ] Regression tests updated and passing
|
|
|
|
### Validation Testing
|
|
|
|
- [ ] Functional validation completed
|
|
- [ ] Performance validation completed
|
|
- [ ] Security validation completed
|
|
- [ ] User acceptance testing completed
|
|
- [ ] Load testing completed
|
|
- [ ] Stress testing completed
|
|
|
|
## AWS Deployment
|
|
|
|
### Infrastructure Updates
|
|
|
|
- [ ] AWS infrastructure updated for Java 21
|
|
- [ ] Container images updated
|
|
- [ ] Deployment configurations updated
|
|
- [ ] Monitoring configurations updated
|
|
- [ ] Security configurations updated
|
|
- [ ] Backup procedures updated
|
|
|
|
### Deployment Validation
|
|
|
|
- [ ] Application deployed successfully
|
|
- [ ] Health checks passing
|
|
- [ ] Performance metrics acceptable
|
|
- [ ] Error logging working
|
|
- [ ] Monitoring active
|
|
- [ ] Rollback procedures tested
|
|
|
|
## Documentation and Handover
|
|
|
|
### Technical Documentation
|
|
|
|
- [ ] Migration documentation created
|
|
- [ ] Java 21 features documentation updated
|
|
- [ ] Performance benchmarks documented
|
|
- [ ] Security improvements documented
|
|
- [ ] Troubleshooting guide updated
|
|
- [ ] Team training completed
|
|
|
|
### Operational Documentation
|
|
|
|
- [ ] Deployment procedures updated
|
|
- [ ] Monitoring procedures updated
|
|
- [ ] Backup procedures updated
|
|
- [ ] Disaster recovery procedures updated
|
|
- [ ] Maintenance procedures updated
|
|
- [ ] Team handover completed
|
|
|
|
## Go-Live Validation
|
|
|
|
### Pre-Deployment Checks
|
|
|
|
- [ ] All tests passing
|
|
- [ ] Code review completed
|
|
- [ ] Security scan passed
|
|
- [ ] Performance benchmarks met
|
|
- [ ] Documentation updated
|
|
- [ ] Team training completed
|
|
|
|
### Deployment Validation
|
|
|
|
- [ ] Application deployed successfully
|
|
- [ ] Java 21 runtime working
|
|
- [ ] Performance maintained or improved
|
|
- [ ] Security vulnerabilities addressed
|
|
- [ ] Monitoring active
|
|
- [ ] Rollback procedures tested
|
|
|
|
### Post-Deployment Validation
|
|
|
|
- [ ] Application accessible and working
|
|
- [ ] Performance metrics acceptable
|
|
- [ ] Error logging working
|
|
- [ ] Security requirements met
|
|
- [ ] Team notified of deployment
|
|
- [ ] Success criteria met
|