Bug#1057521: libminidns-java: FTBFS with default Java 21

[Vladimir Petko]

Source: libminidns-java
Version: 1.0.0-2
Severity: important
Tags: ftbfs
User: debian-java at lists.debian.org
Usertags: default-java21

Dear Maintainers,

The package libminidns-java ftbfs with default Java 21.
The relevant part of the build log:
---------------
:minidns-hla:debianMavenPom (Thread[#41,Task worker for ':',5,main]) completed. Took 0.019 secs.
:minidns-integration-test:debianMavenPom (Thread[#29,Daemon worker,5,main]) completed. Took 0.023 secs.
/<<PKGBUILDDIR>>/minidns-core/src/main/java/org/minidns/edns/EdnsOption.java:32: warning: [this-escape] possible 'this' escape before subclass is fully initialized
        this.optionCode = getOptionCode().asInt;
                                       ^
error: warnings found and -Werror specified
/<<PKGBUILDDIR>>/minidns-core/src/main/java/org/minidns/util/MultipleIoException.java:26: warning: [serial] non-transient instance field of a serializable class declared with a non-serializable type
    private final List<IOException> ioExceptions;
                                    ^
/<<PKGBUILDDIR>>/minidns-core/src/main/java/org/minidns/record/NSEC.java:113: warning: [lossy-conversions] implicit cast from int to byte in compound assignment is possibly lossy
                bitmap[a] |= 128 >> b;
                                 ^
1 error
3 warnings
:minidns-core:compileJava FAILED
:minidns-core:compileJava (Thread[#42,Task worker for ':' Thread 2,5,main]) completed. Took 1.016 secs.
---------------


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

Kernel: Linux 6.5.0-13-generic (SMP w/32 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_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