Your message dated Sun, 4 May 2025 07:35:23 -0400
with message-id
<cad+gyvxeuqczeug7pub_jjngrjzuekmkzf7dhahd79aqzlz...@mail.gmail.com>
and subject line Re: [Openjdk] Bug#912527: openjdk-8-jdk: please update to
support class file version 64
has caused the Debian Bug report #912527,
regarding openjdk-8-jdk: please update to support class file version 64
to be marked as done.
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--
912527: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=912527
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: openjdk-8-jdk
Version: 8u181-b13-2
Severity: normal
Dear all
building jars with jdk11 (as distributed by Debian) at the moment
seems to create lass file version 54.0 files, but running them on
Debian supplied jdk8 is not possible:
$ which java
/usr/bin/java
$ java -version
openjdk version "1.8.0_181"
OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-2-b13)
OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)
$ java -jar myprog.jar
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.UnsupportedClassVersionError:
javafx/event/EventTarget has been compiled by a more recent version of the Java
Runtime (class file version 54.0), this version of the Java Runtime only
recognizes class file versions up to 52.0
...
OTOH, if I use jdk8 from upstream:
$ which java
/home/norbert/Java/jdk1.8.0_192/bin/java
$ java -version
java version "1.8.0_192-ea"
Java(TM) SE Runtime Environment (build 1.8.0_192-ea-b04)
Java HotSpot(TM) 64-Bit Server VM (build 25.192-b04, mixed mode)
$ java -jar myprog.jar
...
There are no problems.
Would it be possible to update jdk8 in Debian to support that?
Thanks
Norbert
-- System Information:
Debian Release: buster/sid
APT prefers unstable-debug
APT policy: (500, 'unstable-debug'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.19.0 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages openjdk-8-jdk depends on:
ii libc6 2.27-8
ii libx11-6 2:1.6.7-1
ii openjdk-8-jdk-headless 8u181-b13-2
ii openjdk-8-jre 8u181-b13-2
ii zlib1g 1:1.2.11.dfsg-1
Versions of packages openjdk-8-jdk recommends:
ii libxt-dev 1:1.1.5-1
Versions of packages openjdk-8-jdk suggests:
pn openjdk-8-demo <none>
pn openjdk-8-source <none>
pn visualvm <none>
-- no debconf information
--- End Message ---
--- Begin Message ---
I'm closing this bug since it's been obsolete for years.
Thank you,
Jeremy Bícha
--- End Message ---
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