Version Matrix
- JDK 17 LTS (2021-09): Production long-term baseline
- JDK 21 LTS (2023-09): Virtual Threads enter mainstream
- JDK 23 (2024-09): Non-LTS
- JDK 25 LTS (2025-09): New LTS
Evolution status of Spring Boot 3.x, MicroProfile 6/7, GraalVM Native Image, CRaC, Project Panama, etc.
Perspectives and Trends
Short-term No Decline
- Java ecosystem and community scale is sufficient
- Clear LTS rhythm provides stable upgrade path for enterprises
Cloud-native
Completed transformation from traditional application servers to containerized microservices.
Multi-language Integration
Integrates multiple languages and new hardware through GraalVM, Project Panama, etc.
Potential Decline Risks
- New generation developer preference shifts
- Absence in specific domains (AI, mobile apps)
- Legacy bloat causing体积臃肿
Transformation Path
- Embrace open source and cloud-native
- Multi-language integration and new hardware adaptation (e.g., GPU computing)
- Solve deployment bloat through Project Leyden
Error Quick Reference
| Problem | Root Cause | Fix |
|---|---|---|
| Virtual Thread usage | - | - |
| Native Image reflection config | - | - |
| CRaC resource失效 after restore | - | - |
| Container OOM | - | - |
| JDK upgrade TLS issues | - | - |
| Function compute cold start | - | - |
| GC latency | - | - |