#1936 build-support.xml doesn't work with modern JDKs

[Alan Ezust]

Currently, I must use Java < 15 to build plugins.
It would be nice if more modern JDKs were supported by our build.xml scripts.

Java 15 has removed Nashorn, you must provide an engine for running JavaScript yourself. GraalVM JavaScript currently is the preferred option.

BUILD FAILED
/home/ezust/workspace/jedit/plugins/FTP/build.xml:30: The following error occurred while executing this line:
/home/ezust/workspace/jedit/build-support/plugin-build.xml:61: Unable to create javax script engine for javascript

[Dale Anson]

I suggest we bump minimum version to at least Java 17 or 19. Java 11 was
end of life last October.

On Tue, Feb 25, 2025, 9:33 AM Alan Ezust ezust@users.sourceforge.net
wrote:

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[plugin-bugs:#1936] https://sourceforge.net/p/jedit/plugin-bugs/1936/
build-support.xml doesn't work with modern JDKs

Status: open
Group:
Created: Tue Feb 25, 2025 04:33 PM UTC by Alan Ezust
Last Updated: Tue Feb 25, 2025 04:33 PM UTC
Owner: nobody

Currently, I must use Java 11 to build jEdit or Plugins.
It would be nice if more modern JDKs were supported by our build.xml
scripts.

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[Eric Le Lay]

openjdk 15 also works, but it disappeared from ubuntu repos (tar.gz available via https://github.com/AdoptOpenJDK/openjdk15-binaries)

It would be nice to bump the version dependency to Java 21 (latest LTS) or Java 17 (previous LTS).

Regarding availability in major Linux distros:

• both are available with RHEL 8 onwards
• both are available on Ubuntu Focal Fossa (20.04) onwards
• 21 is not available on Debian stable
• both are available as community packages on SEL

Version	Oracle support	Red Hat Support
21	September 2028	December 31, 2029
17	September 2026	October 31, 2027

Ref:

• Oracle
• Red Hat
• Ubuntu