Apache Flink 2.2+OpenJDK 22

Why?

Why is Apache Flink 2.2 incompatible with OpenJDK 22?

Requirement

OpenJDK >=11.0.0,<22.0.0

Selected version

OpenJDK 22

Evaluation

22.0.2 does not satisfy >=11.0.0,<22.0.0

Conclusion

INCOMPATIBLE

Evidence

CompatHub reports compatibility from upstream sources rather than making unsupported claims of its own.

• Apache Flink Java Compatibility

  Confidence: HIGH

  https://nightlies.apache.org/flink/flink-docs-release-2.2/docs/deployment/java_compatibility/

  Retrieved 2 September 2026

  Requirement: >=11.0.0,<22.0.0

OpenJDK versions

Compatibility is derived from the project's declared OpenJDK requirement (>=11.0.0,<22.0.0); it does not mean every version combination has been independently tested.

• 10❌
• 11✓
• 12✓
• 13✓
• 14✓
• 15✓
• 16✓
• 17✓
• 18✓
• 19✓
• 20✓
• 21✓
• 22❌
• 23❌

Other OpenJDK versions satisfying this requirement

Apache Flink 2.2 — compatible OpenJDK lines tracked in CompatHub

• ✓OpenJDK 11version linesupported
• ✓OpenJDK 12version lineEOL
• ✓OpenJDK 13version lineEOL
• ✓OpenJDK 14version lineEOL
• ✓OpenJDK 15version lineEOL
• ✓OpenJDK 16version lineEOL
• ✓OpenJDK 17version linesupported
• ✓OpenJDK 18version lineEOL
• ✓OpenJDK 19version lineEOL
• ✓OpenJDK 20version lineEOL
• ✓OpenJDK 21version linesupported

Other Apache Flink versions

Only lines with relevant compatibility evidence are listed.

• Apache Flink 2.3
• Apache Flink 2.2
• Apache Flink 2.1
• Apache Flink 2.0
• Apache Flink 1.20
• Apache Flink 1.19
• Apache Flink 1.18

Lifecycle context

Lifecycle status is separate from compatibility. An EOL component can still satisfy a documented version requirement.