Bug#1053011: avalon-framework: FTBFS with default Java 21

[Vladimir Petko]

Source: avalon-framework
Version: 4.2.0-10
Severity: important
Tags: ftbfs
User: debian-java at lists.debian.org
Usertags: default-java21
X-Debbugs-Cc: vladimir.petko at canonical.com

Dear Maintainers,

The package avalon-framework ftbfs with default Java 21.
The relevant part of the build log:
---------------
dh_auto_build -- -f debian/build.xml jar doc
	ant -Duser.name debian -f debian/build.xml jar doc
Buildfile: /<<PKGBUILDDIR>>/debian/build.xml

prepare:
    [mkdir] Created dir: /<<PKGBUILDDIR>>/build
    [mkdir] Created dir: /<<PKGBUILDDIR>>/test
    [mkdir] Created dir: /<<PKGBUILDDIR>>/doc/api
    [mkdir] Created dir: /<<PKGBUILDDIR>>/dist

compile:
    [javac] /<<PKGBUILDDIR>>/debian/build.xml:28: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds
    [javac] Compiling 41 source files to /<<PKGBUILDDIR>>/build
    [javac] error: Source option 7 is no longer supported. Use 8 or later.
    [javac] error: Target option 7 is no longer supported. Use 8 or later.

BUILD FAILED
/<<PKGBUILDDIR>>/debian/build.xml:28: Compile failed; see the compiler error output for details.
---------------


-- System Information:
Debian Release: bookworm/sid
  APT prefers lunar-updates
  APT policy: (500, 'lunar-updates'), (500, 'lunar-security'), (500, 'lunar'), (100, 'lunar-backports')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.2.0-33-generic (SMP w/32 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled