https://bz.apache.org/bugzilla/show_bug.cgi?id=68947
Bug ID: 68947
Summary: `tomcat-embed-core` `10.1.23` requires Java 11 but
includes Java 21 sources
Product: Tomcat 10
Version: 10.1.23
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Packaging
Assignee: dev@tomcat.apache.org
Reporter: jackpgr...@gmail.com
Target Milestone: ------
The documentation says Tomcat 10 requires Java 11 -
https://tomcat.apache.org/whichversion.html
The `MANIFEST.mf` of the `tomcat-embed-core-10.1.23.jar` also suggests Java 11:
```
X-Compile-Source-JDK: 11
X-Compile-Target-JDK: 11
```
But some of the included `.class` files have a bytecode level of 66 - i.e. Java
21 - which means they can't be used with Java 11. This was flagged via the
Maven enforcer plugin, using `tomcat-embed-core` as a dependency.
For example - `org/apache/tomcat/util/net/openssl/panama/OpenSSLContext.class`:
`javap -verbose org/apache/tomcat/util/net/openssl/panama/OpenSSLContext.class`
`major version: 66`
This problem doesn't exist (neither does that class) in `10.1.20`.
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