aiceflower opened a new pull request, #5372:
URL: https://github.com/apache/linkis/pull/5372
### What changes were proposed in this pull request?
This PR fixes a null pointer exception that occurs when updating metrics
during engine creation and reuse.
**Main Changes:**
1. **Engine Reuse Error Fix**
- Fixed NPE when updating metrics during engine creation and reuse
- Added null checks for metrics objects
- Improved error handling in engine reuse service
2. **Related Updates**
- HBase EngineConn Plugin Enhancement
- Pipeline Engine Implementation
- Dependency updates
### Does this PR introduce _any_ user-facing change?
No. Bug fix for internal error handling.
### How was this patch tested?
- Existing unit tests pass
- Build verification completed
### Which component(s) does this PR affect?
- [ ] linkis-commons
- [x] linkis-computation-governance
- [ ] linkis-dist
- [ ] linkis-engineconn-plugins
- [ ] linkis-extensions
- [ ] linkis-orchestrator
- [ ] linkis-public-enhancements
- [ ] linkis-spring-cloud-services
- [ ] linkis-web
### Related Issues
Closes apache/linkis#5371
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