Compatibility result
Apache Hadoop 3.4+OpenJDK 21
Why?
Why is Apache Hadoop 3.4 compatible with OpenJDK 21?
- Requirement
- OpenJDK >=17.0.0
- Selected version
- OpenJDK 21
- Evaluation
- 21.0.12.1 satisfies >=17.0.0
- Conclusion
- COMPATIBLE
Evidence
CompatHub reports compatibility from upstream sources rather than making unsupported claims of its own.
Apache Hadoop Java Requirements
Confidence: HIGHhttps://raw.githubusercontent.com/apache/hadoop/trunk/BUILDING.txt
Retrieved 2 September 2026
Requirement: >=17.0.0
OpenJDK versions
Compatibility is derived from the project's declared OpenJDK requirement (>=17.0.0); it does not mean every version combination has been independently tested.
Other OpenJDK versions satisfying this requirement
Apache Hadoop 3.4 — compatible OpenJDK lines tracked in CompatHub
- ✓OpenJDK 17version linesupported
- ✓OpenJDK 18version lineEOL
- ✓OpenJDK 19version lineEOL
- ✓OpenJDK 20version lineEOL
- ✓OpenJDK 21version linesupported
- ✓OpenJDK 22version lineEOL
- ✓OpenJDK 23version lineEOL
- ✓OpenJDK 24version lineEOL
- ✓OpenJDK 25version linesupported
- ✓OpenJDK 26version linesupported
Lifecycle context
Lifecycle status is separate from compatibility. An EOL component can still satisfy a documented version requirement.
- Status
- STANDARD SUPPORT
- Status
- LTS
Security context
Compatibility, lifecycle, and security are separate dimensions.
- OpenJDK 21: 29 tracked advisories for this line. View details →
CompatHub does not invent vulnerability data.
Supported alternatives
OpenJDK lines that satisfy this requirement and are still supported.
- OpenJDK 17supported
- OpenJDK 21supported
- OpenJDK 25supported
- OpenJDK 26supported