ABCL via homebrew

Alexandre Rademaker arademaker at
Fri Aug 28 19:24:53 UTC 2020

I have ABCL installed in my system using brew: 

% brew info abcl
abcl: stable 1.7.1 (bottled), HEAD
Armed Bear Common Lisp: a full implementation of Common Lisp
/usr/local/Cellar/abcl/1.7.1_1 (8 files, 11.0MB) *
  Poured from bottle on 2020-08-28 at 13:42:31
License: GPL-2.0-or-later with Classpath-exception-2.0
==> Dependencies
Required: ant ✔, openjdk ✔, rlwrap ✔
==> Options
	Install HEAD version
==> Analytics
install: 59 (30 days), 211 (90 days), 486 (365 days)
install-on-request: 53 (30 days), 190 (90 days), 437 (365 days)
build-error: 0 (30 days)

But until now, it was working fine, but now, after the update I am getting the error below. I looks like the openjdk used to compile was not updated in brew, any solution?

ar at leme bin % abcl
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/armedbear/lisp/Main has been compiled by a more recent version of the Java Runtime (class file version 58.0), this version of the Java Runtime only recognizes class file versions up to 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(
	at Method)
	at java.lang.ClassLoader.loadClass(
	at sun.misc.Launcher$AppClassLoader.loadClass(
	at java.lang.ClassLoader.loadClass(
	at sun.launcher.LauncherHelper.checkAndLoadMain(

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