Apache Cassandra 4.0+OpenJDK 17

Why?

Why is Apache Cassandra 4.0 incompatible with OpenJDK 17?

Requirement

OpenJDK >=8.0.0,<12.0.0

Selected version

OpenJDK 17

Evaluation

17.0.20.1 does not satisfy >=8.0.0,<12.0.0

Conclusion

INCOMPATIBLE

Evidence

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

• Apache Cassandra Java Requirements

  Confidence: HIGH

  https://raw.githubusercontent.com/apache/cassandra/cassandra-4.0.21/NEWS.txt

  Retrieved 2 September 2026

  Requirement: >=8.0.0,<12.0.0

OpenJDK versions

Compatibility is derived from the project's declared OpenJDK requirement (>=8.0.0,<12.0.0); it does not mean every version combination has been independently tested.

• 8✓
• 9✓
• 10✓
• 11✓
• 12❌
• 13❌
• 14❌
• 15❌
• 16❌
• 17❌
• 18❌

Other OpenJDK versions satisfying this requirement

Apache Cassandra 4.0 — compatible OpenJDK lines tracked in CompatHub

• ✓OpenJDK 8version linesupported
• ✓OpenJDK 9version lineEOL
• ✓OpenJDK 10version lineEOL
• ✓OpenJDK 11version linesupported

Other Apache Cassandra versions

Only lines with relevant compatibility evidence are listed.

• Apache Cassandra 5.0
• Apache Cassandra 4.1
• Apache Cassandra 4.0

Lifecycle context

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